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Contact, coating, or surface geometry

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136 - Batteries: thermoelectric and photoelectric

136243000 - PHOTOELECTRIC

136252000 - Cells

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Class / Patent application numberDescriptionNumber of patent applications / Date published
136257000 Luminescent layer or optical filter 82
Entries
DocumentTitleDate
20110174369Efficiency in Antireflective Coating Layers for Solar Cells - A method for fabricating a cell structure includes doping a substrate to form a N-region and a P-region, disposing a first anti-reflective layer on the substrate, disposing a metallic contact paste on the first anti-reflective layer, drying the metallic contact paste to form contacts, disposing a second anti-reflective layer on the first anti-reflective layer and the metallic contacts, and heating the cell structure, wherein heating the cell structure results in metallic contact material penetrating the first anti-reflective layer and contacting the substrate.07-21-2011
20130025662Water Soluble Dopant for Carbon Films - Techniques for reducing the resistivity of carbon nanotube and graphene materials are provided. In one aspect, a method of producing a doped carbon film having reduced resistivity is provided. The method includes the following steps. A carbon material selected from the group consisting of: a nanotube, graphene, fullerene and pentacene is provided. The carbon material and a dopant solution comprising an oxidized form of ruthenium bipyridyl are contacted, wherein the contacting is carried out under conditions sufficient to produce the doped carbon film having reduced resistivity.01-31-2013
20100139756Simultaneously Writing Bus Bars And Gridlines For Solar Cell - A method for efficiently producing closely-spaced parallel gridlines and perpendicular bus bar structures on a substrate during a single pass of a multi-nozzle printhead assembly over the substrate. A first section of the parallel gridlines is printed adjacent to one edge of the substrate while moving the printhead assembly in a first direction. The printhead assembly is then reciprocated in a second direction (X-axis) orthogonal to the first direction, whereby the extruded material forms a bus bar structure extending perpendicular to the gridlines. Movement of the printhead assembly in the first direction is then resumed to form a second section of the gridlines. The second direction reciprocation process is repeated for each desired bus bar structure. The entire gridline/bus bar printing process is performed without halting the extrusion of material (i.e., using a continuous bead).06-10-2010
20120199192CONDUCTIVE COMPOSITIONS AND PROCESSES FOR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - ORGANIC MEDIUM COMPONENTS - Embodiments of the invention relate to a silicon semiconductor device, and a conductive paste for use in the front side of a solar cell device.08-09-2012
20090211629Photovoltaic devices having nanoparticle dipoles for enhanced performance and methods for making same - A photovoltaic device has nanoparticles sandwiched between a conductive substrate and a charge selective transport layer. Each of the nanoparticles has a ligand shell attached to the nanoparticle core. A first type of ligand is electron rich and attached to one hemisphere of the nanoparticle core, while a second type of ligand is electron poor and attached to an opposite hemisphere of the core. Consequently, the ligand shell induces an electric field within the nanoparticle, enhancing the photovoltaic effect. The arrangement of ligands types on different sides of the nanoparticle is obtained by a process involving ligand substitution after adhering the nanoparticles to the conductive substrate.08-27-2009
20130042912SOLDER BONDED BODY, METHOD OF PRODUCING SOLDER BONDED BODY, ELEMENT, PHOTOVOLTAIC CELL, METHOD OF PRODUCING ELEMENT AND METHOD OF PRODUCING PHOTOVOLTAIC CELL - The solder bonded body according to the present invention contains: an oxide body to be bonded having an oxide layer on the surface thereof; and a solder layer bonded to the oxide layer, which the solder layer is formed by an alloy containing at least two metals selected from the group consisting of tin, copper, silver, bismuth, lead, aluminum, titanium and silicon and having a melting point of lower than 450° C. and has a zinc content of 1% by mass or less.02-21-2013
20130042910SOLAR CELL - The present invention provides a solar cell comprising an anode (02-21-2013
20130042911SOLAR CELL AND METHOD OF FABRICATING THE SAME - Provided are a solar cell and a method of fabricating the same. The solar cell may include a first electrode including a first substrate attached with a first transparent conductive film and a metal oxide nanotube provided on the first substrate and adsorbed with a dye, a second electrode facing the first electrode, and an electrolyte filling between the first and second electrodes. In example embodiments, metal nanoparticles may be provided on an inner surface of the metal oxide nanotube.02-21-2013
20110180134Solar Cell and Method for Manufacturing the Same - A solar cell capable of improving cell efficiency, and a method for manufacturing the same is disclosed, the solar cell comprising a substrate; a first electrode on the substrate; a photoelectric conversion portion on the first electrode; a second electrode on the photoelectric conversion portion; and plural beads on the second electrode.07-28-2011
20130025671METHOD FOR MANUFACTURING LIGHT-ABSORPTION LAYER FOR SOLAR CELL, METHOD FOR MANUFACTURING THIN FILM SOLAR CELL USING THE SAME, AND THIN FILM SOLAR CELL USING THE SAME - Disclosed are a method of manufacturing a light-absorption layer for a solar cell, a method manufacturing a thin film solar cell using the same, and a thin film solar cell fabricated using the same. The method of manufacturing a light-absorption layer for a solar cell includes: preparing an ink composition including at least one metal precursor including at least one chalcogen element and a solvent; applying the ink composition as a precursor phase on a substrate using a solution process; and photo-sintering the ink composition applied on the substrate as a precursor phase.01-31-2013
20120160323FLUOROPOLYMER CONTAINING LAMINATES - The multilayer film serves as a laminate. The film is a multilayered structure that, in its base form, encompasses an intermediate layer with first and second outer layer affixed to opposing sides of the intermediate layer. The first outer layer is a semi-crystalline fluoropolymer. The intermediate layer includes a polyester and the second outer layer is an olefinic polymer. The layers are bonded together in the noted order to provide the multilayer film.06-28-2012
20120160322FLUOROPOLYMER CONTAINING LAMINATES - The multilayer film serves as a laminate. The film is a multilayered structure that, in its base form, encompasses an intermediate layer with first and second outer layer affixed to opposing sides of the intermediate layer. The first outer layer is a semi-crystalline fluoropolymer. The intermediate layer includes a polyester and the second outer layer is an olefinic polymer. The layers are bonded together in the noted order to provide the multilayer film.06-28-2012
20120160321FLUOROPOLYMER CONTAINING LAMINATES - The multilayer film serves as a laminate. The film is a multilayered structure that, in its base form, encompasses an intermediate layer with first and second outer layer affixed to opposing sides of the intermediate layer. The first outer layer is a semi-crystalline fluoropolymer. The intermediate layer includes a polyester and the second outer layer is an olefinic polymer. The layers are bonded together in the noted order to provide the multilayer film.06-28-2012
20120160320AQUEOUS ACIDIC ETCHING SOLUTION AND METHOD FOR TEXTURING THE SURFACE OF SINGLE CRYSTAL AND POLYCRYSTAL SILICON SUBSTRATES - An aqueous acidic etching solution suitable for texturing the surface of single crystal and polycrystal silicon substrates and containing, based on the complete weight of the solution, 3 to 10% by weight of hydrofluoric acid; 10 to 35% by weight of nitric acid; 5 to 40% by weight of sulfuric acid; and 55 to 82% by weight of water; a method for texturing the surface of single crystal and polycrystal silicon substrates comprising the step of (1) contacting at least one major surface of a substrate with the said aqueous acidic etching solution; (2) etching the at least one major surface of the substrate for a time and at a temperature sufficient to obtain a surface texture consisting of recesses and protrusions; and (3) removing the at least one major surface of the substrate from the contact with the aqueous acidic etching solution; and a method for manufacturing photovoltaic cells and solar cells using the said solution and the said texturing method.06-28-2012
20120160314PROCESS FOR THE FORMATION OF A SILVER BACK ANODE OF A SILICON SOLAR CELL - A process for the formation of a silver back anode of a silicon solar cell wherein a silver paste comprising particulate silver, an organic vehicle and glass frit comprising at least one antimony oxide is applied in a silver back anode pattern on the back-side of a p-type silicon wafer having an aluminum back-side metallization and fired.06-28-2012
20100089447CONDUCTIVE GRIDS FOR SOLAR CELLS - Embodiments of the present inventions provide structures and methods for manufacturing high electrical conductivity grid patterns having minimum shadowing effect on the illuminated side of the solar cells. To manufacture a conductive grid for a solar cell, a first conductive layer is initially formed over a transparent conductive oxide layer of a solar cell. The first conductive layer has a pattern including a busbar and fingers connected to the busbar. Next, a second conductive layer is formed on the first conductive layer. In one embodiment, the first conductive layer includes silver and the second conductive layer includes carbon nano tube material, or the first conductive layer includes carbon nano tube material and the second conductive layer includes silver.04-15-2010
20100089446SOLAR CELL SEALING FILM AND SOLAR CELL INCLUDING THE SEALING FILM - An object of the present invention is to provide a solar cell sealing film which can suppress expansion of the solar cell. A solar cell sealing film including ethylene-vinyl acetate copolymer and a crosslinker is provided, wherein the crosslinker is an organic peroxide having an activation energy of 140 kJ/mol or more, and a value obtained by multiplying the content of the organic peroxide based on 100 parts by weight of the ethylene-vinyl acetate copolymer by the theoretical active oxygen content of the organic peroxide is in the range of 3 to 18.04-15-2010
20100154886COATED POLYMERIC SUBSTRATES HAVING IMPROVED SURFACE SMOOTHNESS SUITABLE FOR USE IN FLEXIBLE ELECTRONIC AND OPTO-ELECTRONIC DEVICES - The use of a coating composition comprising: 06-24-2010
20100154881TRANSPARENT SOLAR CELL MODULE AND METHOD OF FABRICATING THE SAME - A transparent solar cell module is provided. The transparent solar cell module includes a transparent substrate, a first transparent electrode on the transparent substrate, a p-type layer on the first transparent electrode, an intrinsic layer on the p-type layer, an n-type stacked layer on the intrinsic layer, and a second transparent electrode on the n-type stacked layer. The n-type stacked layer includes at least two n-type material layers with different refractive indexes.06-24-2010
20100154878Electrode Structure and Fabrication of the Dye-Sensitized Solar Cell - The electrode according to the invention comprises a substrate, an indium tin oxide film and a semiconductor layer and is produced under a processing condition that the substrate is subjected to ITO sputtering in a sputter chamber at a temperature of less than 200° C., preferably without being treated with heat, and then undergoes a high temperature treatment so as to form a stable ITO film. By this way, a semiconductor layer could be also formed on the indium tin oxide film. The electrode structure so produced is resistant to high temperature and has a reduced resistance change ratio. The electrode structure is especially suited for being used in a dye-sensitized solar cell to enhance the photoelectric conversion efficiency thereof.06-24-2010
20100147375MICRO-CONCENTRATORS FOR SOLAR CELLS - A solar cell system comprises a solar cell comprising a grid and a photo-sensitive area, wherein the grid includes a conductor, and an optical micro-structure positioned between the conductors, wherein the micro-structure covers at least a portion of the conductors.06-17-2010
20090314345ATOMIC LAYER DEPOSITED TITANIUM-DOPED INDIUM OXIDE FILMS - An apparatus and methods of forming the apparatus include a film of transparent conductive titanium-doped indium oxide for use in a variety of configurations and systems. The film of transparent conductive titanium-doped indium oxide may be structured as one or more monolayers. The film of transparent conductive titanium-doped indium oxide may be formed using atomic layer deposition.12-24-2009
20130025678SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell and a method for manufacturing the same are disclosed. The solar cell may include a substrate, an emitter layer positioned at a first surface of the substrate, a first anti-reflection layer that is positioned on a surface of the emitter layer and may include a plurality of first contact lines exposing a portion of the emitter layer, a first electrode that is electrically connected to the emitter layer exposed through the plurality of first contact lines and may include a plating layer directly contacting the emitter layer, and a second electrode positioned on a second surface of the substrate.01-31-2013
20130025677SOLAR CELL ELEMENT AND PROCESS FOR PRODUCTION THEREOF - A solar cell element is disclosed. The solar cell element comprises a semiconductor substrate and electrodes. The semiconductor substrate with a first and second main surface comprises a body and a first layer. The electrodes comprise first electrodes on the first layer and second electrodes on the second main surface. At least one of the first electrodes and the second electrodes comprises silver, copper and nickel as a main component. A method for manufacturing a solar cell element is disclosed. An electrically conductive paste containing silver, copper and nickel is prepared. The electrically conductive paste is applied on the semiconductor substrate. The electrically conductive paste is fired to form the solar cell element.01-31-2013
20130025673SOLAR CELLS AND METHOD FOR PRODUCING SAME - Solar cells, where at least one conductor is mechanically and electrically connected to the solar cell and/or further conductors by conductive cladding. The conductive cladding is preferably deposited electrolytically or galvanically from solution or is produced by plasma-spraying. In addition, methods for connecting solar cells by means of at least one conductor and/or for connecting conductors on solar cells, wherein at least one electrically-conductive conductor is mechanically and electrically connected by depositing conductive cladding from solution onto the solar cell and/or at least one conductor. Also, a device for depositing a mechanically-connecting and electrically-conductive cladding from solution onto solar cells in electrolytic cells, comprising means for receiving at least one conductor, preferably a collector or bus-bar conductor contacting surface to be deposited in the electrolyte of the electrolytic cell, preferably at least partially providing electrical contact with a seed-layer of the solar cell, and preferably simultaneously supporting the solar cell.01-31-2013
20130025672GLASS SUBSTRATE COATED WITH LAYERS HAVING IMPROVED MECHANICAL STRENGTH - A transparent glass substrate, associated with a transparent electrically conductive layer capable of constituting an electrode of a photovoltaic module, and composed of a doped oxide, characterized by the interposition, between the glass substrate and the transparent electrically conductive layer, of a layer of one or more first nitride(s) or oxynitride(s), or oxide(s) or oxycarbide(s) having good adhesive properties with the glass, then of a mixed layer of one or more second nitride(s) or oxynitride(s), or oxide(s) or oxycarbide(s) having good adhesive properties with the glass, and of one or more third nitride(s) or oxynitride(s), or oxide(s) or oxycarbide(s) capable of constituting, optionally in the doped state, a transparent electrically conductive layer.01-31-2013
20130025676SOLAR CELL AND MANUFACTURING METHOD OF THE SAME - A solar cell is provided. The solar cell includes a transparent electrode layer on a substrate, a pattern layer on the transparent electrode layer, the pattern layer including a plurality of pattern parts having inclined side surfaces, a light absorption layer on the pattern layer, and a back surface electrode layer on the light absorption layer.01-31-2013
20130025675SOLAR CELL AND METHOD FOR MANUFACTURING SAME - Disclosed are a solar cell and a preparing method of the same. The solar cell includes a substrate, a back electrode layer on the substrate, a light absorbing layer on the back electrode layer, and a window layer on the light absorbing layer. The window layer includes a base layer on the light absorbing layer, and an anti-reflection pattern on the base layer. The anti-reflection pattern includes a top surface, and an inclined surface extending from the top surface in a direction in which the inclined surface is inclined with respect to the top surface.01-31-2013
20130025674LAMINATE STRUCTURE WITH EMBEDDED CAVITIES FOR USE WITH SOLAR CELLS AND RELATED METHOD OF MANUFACTURE - An integrated laminate structure (01-31-2013
20130025670SEMICONDUCTOR SUBSTRATE AND METHOD FOR PRODUCING THE SAME, PHOTOVOLTAIC CELL ELEMENT, AND PHOTOVOLTAIC CELL - The semiconductor substrate of the present invention contains a semiconductor layer and an impurity diffusion layer containing at least one impurity atom selected from the group consisting of an n-type impurity atom and a p-type impurity atom and at least one metallic atom selected from the group consisting of K, Na, Li, Ba, Sr, Ca, Mg, Be, Zn, Pb, Cd, V, Sn, Zr, Mo, La, Nb, Ta, Y, Ti, Ge, Te, and Lu.01-31-2013
20130025669PHOTOVOLTAIC CELL SUBSTRATE, METHOD OF PRODUCING PHOTOVOLTAIC CELL SUBSTRATE, PHOTOVOLTAIC CELL ELEMENT AND PHOTOVOLTAIC CELL - The invention provides a photovoltaic cell substrate that is a semiconductor substrate comprising an n-type diffusion layer, an n01-31-2013
20130025668ELEMENT AND PHOTOVOLTAIC CELL - The invention provides an element including a semiconductor substrate and an electrode disposed on the semiconductor substrate, the electrode being a sintered product of a composition for an electrode that includes phosphorus-containing copper alloy particles, glass particles and a dispersing medium, and the electrode includes a line-shaped electrode having an aspect ratio, which is defined as electrode short length:electrode height, of from 2:1 to 250:1.01-31-2013
20130025667Electrode Structure for Improving Efficiency of Solar Cells - The present invention provides an improved electrode structure for improving efficiency of solar cells, and the structure of the solar cells includes a back electrode, a transparent conducting glass layer, a photoelectric conversion layer, and a grid electrode. The transparent conducting glass layer includes a light-penetrated surface for accepting light. The photoelectric conversion layer is disposed between the back electrode and the transparent conducting glass layer to convert light energy into electric energy. The grid electrode is embedded in the transparent conducting glass layer to solve the problems of uneven electric potential for decreasing uneven voltage on the light-penetrated surface and further increasing efficiency of the solar cells.01-31-2013
20130025666Novel Thin Film Solar Cell Structure - The present invention provides a kind of structure of a thin film solar cell, including: a transparent conductive layer, a first electrode, a second electrode, a conductive layer of metal, and a photoelectric conversion layer, wherein changing the structures of said first electrode and said second electrode can improve the efficiency of the cell. Because the distribution of electric potential is not uniform in the transparent conductive layer, it will reduce the efficiency of the cell. We can solve this problem by changing the electrode structures of the cell, and improve the efficiency of the cell.01-31-2013
20130025665SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell and a method for manufacturing the same are discussed. The solar cell includes a substrate of a first conductive type, an emitter region of a second conductive type opposite the first conductive type positioned at the substrate, a first electrode which is positioned on the substrate and is connected to the emitter region, at least one second electrode which is positioned on the substrate and is connected to the substrate, and an aluminum oxide layer positioned on a front surface and a back surface of the substrate excluding areas of the substrate on which the first electrode and the at least one second electrode are formed.01-31-2013
20130025664SOLAR CELL ELECTRODE, AND METHOD FOR MANUFACTURING THE SAME, AND PASTE FOR THE SOLAR CELL ELECTRODE - The invention relates to a paste for forming a solar cell electrode, comprising electrically conductive metal particles, glass frit, a cross-linkable agent, a photo polymerization initiator and organic solvent, wherein the content of the cross-linkable agent is 1.0 to 20.0 wt %, the content of the photo polymerization initiator is 0.2 to 15.0 wt %, the content of the organic solvent is greater than 1.0 wt %, based on the total weight of the paste, and wherein over 90 wt % of the organic solvent based on the total weight of the organic solvent has a boiling point at 85° C. or higher.01-31-2013
20110186126REVERSED DYE-SENSITIZED PHOTOVOLTAIC CELL - The invention provides a solar cell or photovoltaic element 08-04-2011
20130074919ACTUATABLE PUNCH ASSEMBLY, METHOD OF USING SAME, AND A LAMINATE PREPARED THEREBY - An actuatable punch assembly forms a hole within an article. The actuatable punch assembly comprises a base plate coupled to the actuator. At least one segment block is adjustably coupled to the base plate. At least one cutting device for forming the hole within the article is coupled to the segment block. The segment block is adjustable relative to the base plate. The cutting device is adjustable relative to the segment block. As such, the cutting device is adjustable relative to the base plate for varying a position of the cutting device relative to the article to vary a size of the hole formed in the article.03-28-2013
20100051101Electrode of flexible dye-sensitized solar cell, manufacturing method thereof and flexible dye-sensitized solar cell - A flexible dye-sensitized solar cell, an electrode of a flexible dye-sensitized solar cell and a method of manufacturing the flexible dye-sensitized solar cell are disclosed. The method of manufacturing the flexible dye-sensitized solar cell in accordance with an embodiment of the present invention includes: forming a separation layer on a carrier; forming a dye-absorption layer on the separation layer; forming a carbon-nanotube layer on the dye-absorption layer; forming a cathode polymer layer on the carbon-nanotube layer, in which the cathode polymer layer is flexible; and separating the carrier by removing the separation layer. Although the high temperature annealing process associated with the dye-sensitized solar cell is required, a flexible cathode transparent electrode can be manufactured by using the carbon nanotube, because the cathode can be manufactured by using the carbon nanotube and a flexible transparent board is used.03-04-2010
20090194161SOLAR CELL HAVING MULTIPLE TRANSPARENT CONDUCTIVE LAYERS AND MANUFACTURING METHOD THEREOF - The present invention provides a solar cell that increases a rate of sunlight absorbed into a photoelectric conversion layer by forming a transparent conductive layer into a plurality of layers having different oxygen contents and different light absorbing coefficients and a manufacturing method thereof. The solar cell of the present invention includes a substrate, a transparent conductive layer, and a photoelectric conversion layer, wherein the transparent conductive layer comprises a first layer having a first light absorbing coefficient; and a second layer that is formed on the first layer and has a second light absorbing coefficient higher than the first light absorbing coefficient.08-06-2009
20090194160THIN-FILM PHOTOVOLTAIC DEVICES AND RELATED MANUFACTURING METHODS - Described herein are thin-film photovoltaic devices and related manufacturing methods. In one embodiment, a photovoltaic device includes: (1) a structured substrate including an array of structure features; (2) a first electrode layer disposed adjacent to the structured substrate and shaped so as to substantially conform to the array of structure features; (3) an active layer disposed adjacent to the first electrode layer and shaped so as to substantially conform to the first electrode layer, the active layer including a set of photoactive materials; and (4) a second electrode layer disposed adjacent to the active layer and shaped so that the first electrode layer and the second electrode layer have an interlo08-06-2009
20090194159DYE-SENSITIZED SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - Provided is a dye-sensitized solar cell. Specifically, the present invention provides a dye-sensitized solar cell which is designed to reduce the production cost, improve productivity and increase energy efficiency by using a carbon electrode as a counter electrode, and a manufacturing method thereof. The dye-sensitized solar cell according to the present invention is characterized by comprising a working electrode, a counter electrode, and an electrolytic layer separating the two electrodes, wherein the counter electrode comprises a carbon electrode formed on a first transparent substrate, wherein the carbon electrode is a conductive transparent carbon electrode. According to the present invention, it is possible to remarkably reduce the production cost by using a relatively low-cost material, i.e. carbon electrode, and improve the solar cell efficiency by preventing oxidation with the electrolytic layer owing to corrosion and oxidation resistance of the carbon electrode.08-06-2009
20090194158PHOTOELECTRIC CONVERSION MATERIAL CONTAINING FULLERENE DERIVATIVE - The present invention provides a photoelectric conversion material comprising a fullerene derivative represented by the formula C08-06-2009
20090194157Front electrode having etched surface for use in photovoltaic device and method of making same - Certain example embodiments of this invention relate to a photovoltaic (PV) device including an electrode such as a front electrode/contact, and a method of making the same. In certain example embodiments, the front electrode has a textured (e.g., etched) surface that faces the photovoltaic semiconductor film of the PV device. In certain example embodiments, the front electrode is formed on a flat or substantially flat (non-textured) surface of a glass substrate (e.g., via sputtering), and the surface of the front electrode is textured (e.g., via etching). In certain example embodiments, a combination of two or more different etchants can be used in order to provide the front electrode with a textured surface having at least two different feature sizes. In completing manufacture of the PV device, the etched surface of the front electrode faces the active semiconductor film of the PV device.08-06-2009
20090194156DUAL SEAL PHOTOVOLTAIC GLAZING ASSEMBLY AND METHOD - A photovoltaic glazing assembly including first and second substrates joined together and spaced apart, on either side of an airspace, by a seal system formed of a first seal and a second seal. A photovoltaic functional coating is disposed over a second major surface of one of the substrates, which faces the second major surface of the other substrate. Lead wires are coupled to bus bars and/or electrical contacts affixed to the functional coating and routed out from the airspace. Affixing the seal system to the first and second substrates, in order to join the substrates together, may be accomplished by applying pressure to the substrates.08-06-2009
20120167980SOLAR CELL - The invention relates to a solar cell with a semiconductor wafer comprising a light incidence facing front side with a base electrode, which is connected to a base layer of the semiconductor wafer, and a front side opposite to the back side with an emitter electrode, which is connected to an emitter structure of the semiconductor wafer, characterized by that the emitter structure comprises a front side emitter layer arranged on the front side of the semiconductor wafer.07-05-2012
20120167970METHOD FOR PRODUCING A LIGHT TRAPPING LAYER ON A TRANSPARENT SUBSTRATE FOR USE IN A PHOTOVOLTAIC DEVICE, A METHOD FOR PRODUCING A PHOTOVOLTAIC DEVICE AS WELL AS SUCH A PHOTOVOLTAIC DEVICE - A method to manufacture a thin film photovoltaic device is provided. The method involves mastering of sub-micron features onto a first master substrate, followed by duplication of the master surface onto one or multiple stampers, and replication of the micro-texture into the superstrate or substrate surface by using the multiple stampers. The method also discloses depositing a TCO layer on the superstrate or substrate surface having the sub-micron features, such that a side of the TCO layer distant from the superstrate or substrate surface having the sub-micron features. Thereafter, the method includes depositing the one or more semiconductor layers, the back contact layer and the cover substrate.07-05-2012
20110186125PROCESS FOR PRODUCING ELECTRICALLY CONDUCTIVE ZINC OXIDE LAYERED FILMS AND PROCESS FOR PRODUCING PHOTOELECTRIC CONVERSION DEVICES - For production of an electrically conductive zinc oxide layered film, a substrate, at least a surface of the substrate being electrically non-conductive, is prepared. An underlayer is formed with a coating technique on the electrically non-conductive surface of the substrate, the underlayer comprising at least one kind of a plurality of fine particles containing electrically conductive zinc oxide as a principal ingredient. An electrically conductive zinc oxide thin film layer is formed with a chemical bath deposition technique on the underlayer.08-04-2011
20110186124ELECTRICALLY CONDUCTIVE ZINC OXIDE LAYERED FILM AND PHOTOELECTRIC CONVERSION DEVICE COMPRISING THE SAME - An electrically conductive zinc oxide layered film having been formed on a substrate, at least a surface of the substrate being electrically non-conductive, comprises: (i) an electrically conductive zinc oxide fine particle layer, which is formed on the electrically non-conductive surface of the substrate, and which comprises at least one kind of a plurality of fine particles containing electrically conductive zinc oxide as a principal ingredient, and (ii) an electrically conductive zinc oxide thin film layer, which is formed on the electrically conductive zinc oxide fine particle layer.08-04-2011
20110186121METAL-CONTAINING COMPOSITION, METHOD FOR PRODUCING ELECTRICAL CONTACT STRUCTURES ON ELECTRICAL COMPONENTS AND ALSO ELECTRICAL COMPONENT - The present invention relates to a metal-containing composition, a method for producing electrical contact structures on electronic components and also an electronic component provided with such a contacting.08-04-2011
20110186120Textured coating with various feature sizes made by using multiple-agent etchant for thin-film solar cells and/or methods of making the same - Certain example embodiments of this invention relate to solar cell devices, and/or methods of making the same. More particularly, certain example embodiments relate to a front transparent conductive electrode for solar cell devices (e.g., micro-morph silicon thin-film solar cells), and/or methods of making the same. The electrode of certain example embodiments may include a textured transparent conductive oxide (TCO) layer. The textured layer and/or coating may include at least two feature sizes, wherein at least one type of feature is comparable in size to the wavelength of solar light absorbed by the amorphous portion of the micro-morph silicon solar cell, and the other feature size being comparable to that of micro-crystalline portion. Double-agent etchants may be used to produce such different features sizes. Using a textured TCO-based layer having different feature sizes may improve the efficiency of the solar cell.08-04-2011
20110186117THIN FILM SOLAR CELL WITH CERAMIC HANDLING LAYER - A method for fabricating a photovoltaic (PV) cell panel wherein all PV cells are formed simultaneously on a two-dimensional array of monocrystalline silicon mother wafers affixed to a susceptor is disclosed. Porous silicon separation layers are anodized in the surfaces of the mother wafers. The porous film is then smoothed to form a suitable surface for epitaxial film growth. An epitaxial reactor is used to grow n- and p-type films forming the PV cell structures. A glass/ceramic handling layer is then formed on the PV cell structures. The PV cell structures with handling layers are then exfoliated from the mother wafer. The array of mother wafers may be reused multiple times, thereby reducing materials costs for the completed solar panels. The glass/ceramic handling layers provide structural integrity to the thin epitaxial solar cells during the separation process and subsequent handling.08-04-2011
20090194155Front electrode having etched surface for use in photovoltaic device and method of making same - Certain example embodiments of this invention relate to a photovoltaic (PV) device including an electrode such as a front electrode/contact, and a method of making the same. In certain example embodiments, the front electrode has a textured (e.g., etched) surface that faces the photovoltaic semiconductor film of the PV device. In certain example embodiments, the front electrode is formed on a flat or substantially flat (non-textured) surface of a glass substrate (e.g., via sputtering), and the surface of the front electrode is textured (e.g., via etching). In completing manufacture of the PV device, the etched surface of the front electrode faces the active semiconductor film of the PV device.08-06-2009
20100122727Method for fabricating III-V compound semiconductor solar cell and structure thereof - A method for fabricating a III-V compound semiconductor solar cell includes forming a window layer made of III-V compound material over a top surface of an solar cell structure; forming a periodic array of hole textures of the window layer by using a lithography and etching process; and depositing an anti-reflection coating film to cover the window layer. A III-V compound solar cell structure is also provided to enhance the conversion efficiency of photovoltaic.05-20-2010
20110192458PHOTOELECTRIC CONVERSION DEVICE - The present invention provides a photoelectric conversion device in which changes in photoelectric conversion efficiency with time can be inhibited. The photoelectric conversion device according to the present invention includes: a pair of electrodes; an electrolytic solution disposed between the pair of electrodes; and a sealing portion that links the pair of electrodes and is provided around the electrolytic solution. At least part of the sealing portion includes at least one inorganic sealing portion constituted by an inorganic material and at least one resin sealing portion constituted by a material including a resin. The inorganic sealing portion and the resin sealing portion are disposed along a direction connecting the pair of electrodes.08-11-2011
20110192457Electro-Conductive Paste for Forming an Electrode of a Solar Cell Device, a Solar Cell Device and Method for Producing the Solar Cell Device - In order to provide an electro-conductive paste bringing no increase of the contact resistance for forming an electrode of a solar cell device, the electro-conductive paste is characterized by containing an electro-conductive particle, an organic binder, a solvent, a glass frit, and an organic compound including alkaline earth metal, a metal with a low melting point or a compound affiliated with a metal with a low melting point.08-11-2011
20110192459MULTILAYERED WEATHERABLE FILM FOR SOLAR CELL - Disclosed is a multilayered weatherable film for a solar cell, which has superior elongation change rate, strength change rate and haze and thus is suitable for use in a solar cell, and includes a hard layer having a polyester or copolyester polymer resin and a soft layer having polybutylene terephthalate containing polytetramethylene ether glycol, which are regularly or irregularly laminated in a multilayer form.08-11-2011
20110192456PROCESS FOR THE PRODUCTION OF A MWT SILICON SOLAR CELL - A process for the production of a MWT silicon solar cell comprising the steps:08-11-2011
20110192455BIS-(8-QUINOLINOLATO-N,O)PLATINUM(II) BASED ORGANIC PHOTOVOLTAIC CELL - Organic photovoltaic (OPV) cells and methods of forming the same are provided. An OPV cell can include an organic photoactive layer comprising bis-(8-quinolinolato-N,O)platinum (II) (PtQ08-11-2011
20110192454PHOTOVOLTAIC DEVICE WITH TRANSPARENT, CONDUCTIVE BARRIER LAYER - The present invention provides strategies for providing photovoltaic devices that are more resistant to moisture and/or oxygen degradation and the accompanying migration of key elements such as Na, Li, and the lanthanoid series of elements from the absorber layer and that have enhanced service life and improved performance. These strategies are particularly useful in the fabrication of chalcogenide-based photovoltaic devices such as chalcogenide-based solar cells. These strategies incorporate a barrier region between the photovoltaic absorber region and the front side collection grid. The barrier region keeps moisture and/or oxygen from the absorber layer and contains key elements such as Na, Li, and Ln in the absorber layer. As a result, the absorber layer retains its performance capabilities for an extended period of time.08-11-2011
20100032012SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell (02-11-2010
20100078066HYBRID SOLAR CELLS VIA UV-POLYMERIZATION OF POLYMER PRECURSOR - A hybrid photovoltaic cell comprising a composite substrate of a nanotube or nanorod array of metal oxide infiltrated with a monomer precursor and subsequently polymerized in situ via UV irradiation. In an embodiment, the photovoltaic cell comprises an electron accepting TiO04-01-2010
20100116330SOLAR CELL MODULE, SOLAR CELL WIRING MEMBER, AND METHOD OF MANUFACTURING SOLAR CELL MODULE - A solar cell module of the present invention is provided with: a unit solar cell (05-13-2010
20100116333InGaN Columnar Nano-Heterostructures For Solar Cells - Methods, devices, and compositions of matter related to high efficiency InGaN-based photovoltaic devices. The disclosed synthesis of semiconductor heterostructures may be exploited to produce higher efficiency, longer lasting, photovoltaic cells.05-13-2010
20100116332TRANSPARENT SUBSTRATE PROVIDED WITH AN IMPROVED ELECTRODE LAYER - This substrate, having a glass function, is combined with a textured electrode comprising at least one transparent conductive layer based on one or more metal oxides, said layer being covered with at least one functional layer of an element capable of collecting light, and is covered with an interface layer having a textured part comprising a repetition of periodic or aperiodic features in relief.05-13-2010
20100116331PHOTOVOLTAIC DEVICE AND PROCESS FOR PRODUCING SAME - A photovoltaic device and a process for producing the device that enables a higher level of performance to be achieved at low cost. The photovoltaic device includes at least two laminated photovoltaic layers, and an intermediate layer that is disposed between the two photovoltaic layers and connects the two photovoltaic layers electrically and optically, wherein the surface of the intermediate layer has a plasma-resistant protective layer.05-13-2010
20100116329METHODS OF FORMING HIGH-EFFICIENCY SOLAR CELL STRUCTURES - Methods for forming solar cells include forming, over a substrate, a first junction comprising at least one III-V material and having a threading dislocation density of less than approximately 1005-13-2010
20130081690Spectral Modification - Spectral modification devices and methods are described. For example, an apparatus for spectral modification of incident radiation includes a substrate and Raman shifting material embedded in or on the substrate, the Raman shifting material selected based on a desired optical or electrical performance of a light absorbing structure.04-04-2013
20130081688BACK CONTACTS FOR THIN FILM SOLAR CELLS - Method for forming back contact stacks for CIGS and CZTS TFPV solar cells are described wherein some embodiments include adhesion promoter layers, bulk current transport layers, stress management/diffusion barrier layers, optical reflector layers, and ohmic contact layers. Other back contact stacks include adhesion promoter layers, bulk current transport layers, diffusion barrier layers, and ohmic contact layers.04-04-2013
20100071760ULTRATHIN FILM MULTI-CRYSTALLINE PHOTOVOLTAIC DEVICE - A solar cell photovoltaic device using ultrathin films of polycrystalline silicon and deep uneven surface structures is disclosed. According to one embodiment, the uneven structures include one or more pits having a depth of at least 10 microns. According to another embodiment, the uneven structures include one or more cones or columns having a height or at least 10 microns. Because the unevenness of the structures, the photovoltaic device is able to use a very thin layer of polycrystalline silicon to effectively trap and absorb light.03-25-2010
20130074925THIN FILM SOLAR CELL - Disclosed is a thin-film solar cell which has a high photoelectric conversion efficiency and is provided with a substrate (03-28-2013
20100071764SOLAR CELLS AND METHODS OF FORMING THE SAME - A solar cell is provided with a semiconductor substrate including a light-receiving surface, a back surface, a first region of a first conductivity type disposed on the back surface, a second region of a second conductivity type disposed on the light-receiving surface, and a PN junction at the boundary between the first and second regions. An electrode is provided on the light-receiving surface to expose a portion of the light-receiving surface, and the semiconductor substrate includes a plurality of recesses formed by recessing the exposed portion of the light-receiving surface. The recesses may function as a texturing structure.03-25-2010
20100071762SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a p-n structure having a first conductive semiconductor substrate, a second conductive semiconductor layer formed on the first conductive semiconductor substrate and having a conduction opposite to the first conductive semiconductor substrate, and a p-n junction formed at an interface between the first and second conductive semiconductor substrate/layer; a first anti-reflection film formed on the second conductive semiconductor layer and composed of SiNx:H thin film with 40-100 nm thickness; a second anti-reflection film formed on the first anti-reflection film and composed of silicon oxy-nitride; a front electrode formed on the second anti-reflection film in a predetermined pattern and connected to the second conductive semiconductor layer through the first and second anti-reflection films; and a rear electrode formed at an opposite side to the front electrode with the first conductive semiconductor substrate being interposed therebetween to be connected to the first conductive semiconductor substrate.03-25-2010
20100071761Solar Cell Element and Method for Manufacturing the Same - [Object] An object is to provide a solar cell element exhibiting a reduced warp, a low resistance loss and a high adhesion between the silicon substrate and the electrode, and a method for manufacturing the same.03-25-2010
20100071759Electrochemical Device and Method of Fabricating the Same - A method of forming an electrode including an electrochemical catalyst layer is disclosed, which comprises forming a graphitized porous conductive fabric layer, optionally conditioning the graphitized porous conductive fabric layer, and dipping the graphitized porous conductive fabric layer into a solution containing polymer-capped noble metal nanoclusters dispersed therein. The polymer-capped noble metal nanoclusters as an electrochemical catalyst layer are adsorbed onto the graphitized porous conductive fabric layer. An electrochemical device with the electrode made thereby is also contemplated.03-25-2010
20130074920Photo-Switchable Fullerene-Based Materials as Interfacial Layers in Organic Photovoltaics - Design and use of photo-switching, fullerene-based dyads of the design x-D-y-A or D-y-A-x as interfacial layers (IFL) for organic photovoltaic (OPV) devices are described herein. The fullerene-based dyads and triads of the present invention contain electron-donating substituents such as porphyrins or phthalocyanines that exhibit charge separation states with long lifetimes upon irradiation, resulting in rejection of electrons reaching the electrode and concurrently promoting the conduction of holes. This phenomenon has a strong rectifying effect on the whole device, not just the interfaces, resulting in improved charge extraction from the interior of the photo-active layer. The invention further describes anchoring an IFL to the ITO surface as a monolayer, bilayer, or greater multilayers. One OPV design embodiment of the present invention embodiment involves the formation of covalent bonds via silane groups (—SiR03-28-2013
20130074921Low-Resistance Back Contact For Photovoltaic Cells - Photovoltaic cells (e.g., p-CdTe thin film photovoltaic cells) comprising a back contact buffer layer that makes low-resistance electrical contact to the p-type semiconductor material of the cell (e.g., CdTe). The back contact buffer material comprises Cu and Te.03-28-2013
20130074917PROCESS FOR THE PRODUCTION OF A MWT SILICON SOLAR CELL - A process for the production of a MWT silicon solar cell, wherein a conductive metal paste with no or only poor fire-through capability is applied, dried and fired to form a continuous metallization comprising a top set of conductive metal collector lines and a metallization of the inside of the holes of an n-type MWT silicon solar cell wafer, wherein the top set of conductive metal collector lines superimposes a bottom set of conductive metal collector lines on the front-side of the n-type MWT silicon solar cell wafer, said bottom set of conductive metal collector lines having no contact with the inside of the holes.03-28-2013
20130074916PROCESS FOR THE PRODUCTION OF A MWT SILICON SOLAR CELL - A process for the production of a MWT silicon solar cell, wherein a conductive metal paste with no or only poor fire-through capability is applied, dried and fired to form a continuous metallization comprising a top set of conductive metal collector lines and a metallization of the inside of the holes of a p-type MWT silicon solar cell wafer, wherein the top set of conductive metal collector lines superimposes a bottom set of conductive metal collector lines on the front-side of the p-type MWT silicon solar cell wafer, said bottom set of conductive metal collector lines having no contact with the inside of the holes.03-28-2013
20130074915METHOD OF FABRICATING A FLEXIBLE PHOTOVOLTAIC FILM CELL WITH AN IRON DIFFUSION BARRIER LAYER - A method of fabricating a flexible photovoltaic film cell with an iron diffusion barrier layer. The method includes: providing a foil substrate including iron; forming an iron diffusion barrier layer on the foil substrate, where the iron diffusion barrier layer prevents the iron from diffusing; forming an electrode layer on the iron diffusion barrier layer; and forming at least one light absorber layer on the electrode layer. A flexible photovoltaic film cell is also provided, which cell includes: a foil substrate including iron; an iron diffusion barrier layer formed on the foil substrate to prevent the iron from diffusing; an electrode layer formed on the iron diffusion barrier layer; and at least one light absorber layer formed on the electrode layer.03-28-2013
20130074913BILAYER DYE SENSITIZED SOLAR CELL AND FABRICATION METHOD THEREOF - A photovoltaic cell comprises a first electrode that includes a first transparent conductive substrate, a first layer having a plurality of first semiconductor nanofibers, and a second layer having a plurality of second semiconductor super-fine fibers, the first semiconductor nanofibers having an average diameter smaller than an average diameter of the second semiconductor super-fine fibers, a light absorbing material adsorbed to at least some of the first semiconductor nanofibers and second semiconductor super-fine fibers, a second electrode includes a second transparent conductive substrate, and electrolytes dispersed in the first and second layers.03-28-2013
20130206224Electronic Device Module Comprising Film of Homogeneous Polyolefin Copolymer and Adhesive Property Enhancing Graft Polymer - An electronic device module comprising: 08-15-2013
20120174979Efficiency in Antireflective Coating Layers for Solar Cells - A solar cell includes a substrate having an N-region and a P-region, a first anti-reflective layer disposed on the substrate, a metallic contact disposed on the first anti-reflective layer, a second anti-reflective layer disposed on the first anti-reflective layer and the metallic contact, and a region partially defined by the first anti-reflective layer and the second anti-reflective layer having diffused metallic contact material operative to form a conductive path to the substrate through the first anti-reflective layer, the metallic contact, and the second anti-reflective layer.07-12-2012
20120174978THICK-FILM CONDUCTIVE COMPOSITIONS WITH NANO-SIZED ZINC ADDITIVE - The present invention is a thick film silver composition for use a solar cell device. The thick film paste composition comprises an electrically conductive silver powder, one or more glass frits, a nano-sized additive wherein the nano-sized additive is selected from metallic zinc, zinc alloys or a mixture of metallic zinc and zinc oxide, all dispersed in an organic medium.07-12-2012
20120174977Solar Power Generation Apparatus and Manufacturing Method Thereof - Provided are a solar cell apparatus and a method of manufacturing the same. The solar cell apparatus includes: a substrate; a back electrode layer on the substrate; an alloy layer on the back electrode layer; a light absorbing layer on the alloy layer; and a front electrode layer on the light absorbing layer.07-12-2012
20120174976Conductive Paste, And Electronic Device And Solar Cell Including An Electrode Formed Using The Same - A conductive paste includes a conductive powder, a metallic glass, and an organic vehicle. The metallic glass may be an alloy including a first element with an atomic radius that satisfies the following equation: (r07-12-2012
20120174975SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a substrate of a first conductive type, an emitter region of a second conductive type opposite the first conductive type which is positioned at the substrate and has a first sheet resistance, a first heavily doped region which is positioned at the substrate and has a second sheet resistance less than the first sheet resistance, a plurality of first electrodes which are positioned on the substrate, overlap at least a portion of the first heavily doped region, and are connected to the at least a portion of the first heavily doped region, and at least one second electrode which is positioned on the substrate and is connected to the substrate.07-12-2012
20120174974Oxides And Glasses For Use With Aluminum Back Solar Cell Contacts - Solar cell contacts having good electrical performance are made by a process involving: (a) providing a silicon wafer substrate; (b) providing a paste comprising: (i) aluminum, (ii) glass frit, and (iii) a separate and distinct amount of at least one oxide, such that, together with the aluminum, the glass frit and oxide forms a paste having an exothermic reaction peak, at a temperature of at least 660° C. to less than 900° C., (c) applying the paste to the silicon wafer substrate to form a coated substrate, and (d) firing the coated substrate for a time and at a temperature sufficient to sinter the aluminum and fuse the glass frit and oxide.07-12-2012
20120174973Solar Cell Apparatus and Method For Manufacturing the Same - Disclosed are a solar cell apparatus and a method for manufacturing the same. The solar cell apparatus includes a substrate; a back electrode layer on the substrate; a light absorbing layer on the back electrode layer; and a front electrode layer on the light absorbing layer, wherein an outer peripheral side of the back electrode layer is aligned on a plane different from a plane of an outer peripheral side of the light absorbing layer.07-12-2012
20130081692SOLAR CELL HAVING POROUS STRUCTURE IN WHICH METAL NANOPARTICLES ARE CARRIED IN PORES - The present invention intends to provide a solar cell that has, by an increase in the absorbance of light of a surface of a solar cell, a reduction in the reflectance, and so on, a high energy conversion efficiency. The problem was solved by a pn junction type semiconductor solar cell that has a porous structure on a surface thereof, characterized in that metal nanoparticles having a surface plasmon absorption are supported in pores present in the porous structure, further, by a pn junction type semiconductor solar cell in which the porous structure is formed in a photoelectric material itself in a pn junction type semiconductor solar cell, or, the porous structure is formed in a light transmission layer disposed on a surface of a pn junction type semiconductor solar cell.04-04-2013
20130081691COATING FLUID FOR BORON DIFFUSION - A coating fluid comprising a boron compound, an organic binder, a silicon compound, an alumina precursor, and water and/or an organic solvent is used to diffuse boron into a silicon substrate to form a p-type diffusion layer. The coating fluid is spin coated onto the substrate to form a uniform coating having a sufficient amount of impurity whereupon a p-type diffusion layer having in-plane uniformity is formed.04-04-2013
20130081689SOLAR CELL PACKAGE STRUCTURE WITH CIRCUIT DESIGN - A solar cell package structure with a circuit design includes a first conductive substrate, a second conductive substrate, a first conductive wire and a second conductive wire. The second conductive substrate is disposed opposite to the first conductive substrate. The first conductive wire is electrically connected to the first conductive substrate through a first conductive via. The second conductive wire is electrically connected to the second conductive substrate through a second conductive via.04-04-2013
20100051098HIGH QUALITY TCO-SILICON INTERFACE CONTACT STRUCTURE FOR HIGH EFFICIENCY THIN FILM SILICON SOLAR CELLS - A method and apparatus for forming solar cells is provided. In one embodiment, a photovoltaic device includes a first TCO layer disposed on a substrate, a second TCO layer disposed on the first TCO layer, and a p-type silicon containing layer formed on the second TCO layer. In another embodiment, a method of forming a photovoltaic device includes forming a first TCO layer on a substrate, forming a second TCO layer on the first TCO layer, and forming a first p-i-n junction on the second TCO layer.03-04-2010
20130074924SOLAR CELL ELEMENT, PROCESS FOR MANUFACTURING SOLAR CELL ELEMENT, AND SOLAR CELL MODULE - The present invention relates to a solar cell element that comprises: a semiconductor substrate; and a collector electrode including a plurality of conductor portions elongated in a first direction on one main surface of the semiconductor substrate, and the plurality of the conductor portions comprise: a linear first conductor region; and a linear second conductor region including a plated surface, the linear second conductor region being electrically connected to the first conductor region.03-28-2013
20130074914PHOTOVOLTAIC DEVICES - One aspect of the present invention includes a photovoltaic device. The photovoltaic device includes a window layer disposed on a support and a doped absorber layer disposed on the window layer, wherein the doped absorber layer includes an absorber material and a first metal selected from the group consisting of manganese, cobalt, chromium, zinc, indium, tungsten, molybdenum, and combinations thereof. The photovoltaic devices further includes an interfacial layer disposed on the doped absorber layer, wherein the interfacial comprises a second metal selected from the group consisting of manganese, cobalt, nickel, zinc, and combinations thereof.03-28-2013
20130074923METHOD FOR PRODUCING ZINC-OXIDE NANOSTRUCTURE ELECTRODES, AND METHOD FOR PRODUCING DYE-SENSITIZED SOLAR CELLS USING SAME - Provided are a method of preparing a zinc oxide nanostructure electrode and a method of preparing a dye-sensitized solar cell using the same. According to the present invention, the method of preparing a zinc oxide nanostructure electrode may include sequentially forming a superhydrophobic self-assembled layer and a zinc layer on a carrier substrate having a stamp pattern included therein, disposing the zinc layer on the carrier to face a first substrate and performing a stamp method to form at least one zinc pattern on the first substrate, oxidizing the zinc pattern to form zinc oxide seeds, and growing at least one zinc oxide nanostructure from the zinc oxide seeds by using a hydrothermal synthesis method to form a zinc oxide nanostructure electrode composed of the at least one zinc oxide nanostructure.03-28-2013
20130074922ZINC OXIDE BASED FRONT ELECTRODE DOPED WITH YTTRIUM FOR USE IN PHOTOVOLTAIC DEVICE OR THE LIKE - Certain example embodiments of this invention relate to an electrode (e.g., front electrode) for use in a photovoltaic device or the like. In certain example embodiments, a transparent conductive oxide (TCO) based front electrode for use in a photovoltaic device is of or includes zinc oxide, or zinc aluminum oxide, doped with yttrium (Y). In certain example embodiments, the addition of the yttrium (Y) to the conductive zinc oxide or zinc aluminum oxide is advantageous in that potential conductivity loss of the electrode can be reduced or prevented. In other example embodiments, a low-E coating may include a layer of or including zinc oxide, or zinc aluminum oxide, doped with yttrium (Y).03-28-2013
20130032206SOLAR CELL - A solar cell (02-07-2013
20130032205SOLAR PHOTOVOLTAIC DEVICE AND A PRODUCTION METHOD THEREFOR - Disclosed are a solar cell apparatus and a method of fabricating the same. The solar cell apparatus includes a substrate, a back electrode layer on the substrate, a light absorbing layer on the back electrode layer, and a front electrode layer on the light absorbing layer. The back electrode layer is provided therein with a through hole extending in one direction. The through hole includes a first region comprising first protrusions extending inwardly from an inner lateral side thereof, and a second region comprising a cutting surface formed more outward than an end portion of each first protrusion.02-07-2013
20130032203SOLAR CELL MODULE ON MOLDED LEAD-FRAME AND METHODS OF MANUFACTURE - A solar cell having a molded lead frame, and method of manufacture of same, is disclosed. Specifically, a plurality of solar cells is manufactured from a strip of lead-frames and soft solder techniques for die assembly and component assembly. After wire bonding, glass attachment and transfer molding, a trim and form process produces individual solar cells having a molded lead frame.02-07-2013
20130032202PHOTOCATALYTIC MATERIAL AND GLASS SHEET OR PHOTOVOLTAIC CELL INCLUDING SAID MATERIAL - A material includes a glass substrate provided on at least one portion of one of its faces with a photocatalytic coating based on titanium dioxide that covers at most 15% of the subjacent surface, the photocatalytic coating being in the form of a two-dimensional network of interconnected strands.02-07-2013
20130074918VACUUM WINDOW GLAZING INCLUDING SOLAR CELL AND MANUFACTURING METHOD THEREOF - Disclosed are vacuum window glazing including a solar cell function and a manufacturing method thereof. The vacuum window glazing includes a first sheet glass, a second sheet glass that is vacuum-bonded to the first sheet glass; a vacuum layer that is formed between the first sheet glass and the second sheet glass; and a solar cell panel that is formed on a surface of the second sheet glass in a direction of the vacuum layer. By this configuration, power can be produced through the solar cell formed within the vacuum window glazing while more increasing the heat insulation effect of the vacuum window glazing, and the cooling and heating efficiency of the building can be greatly improved using the outer wall covered with glass.03-28-2013
20100163104SOLAR CELL - A solar cell includes a semiconductor substrate, an emitter layer, an anti-reflective coating, a first electrode, a second electrode, and a first light conversion layer. The emitter layer is formed on a light-receiving side of the semiconductor substrate. A p-n junction is formed between the emitter layer and the semiconductor substrate. The anti-reflective coating is formed on the emitter layer. The first electrode is connected to the emitter layer. The second electrode is formed on a back-lighted side of the semiconductor substrate. The first light conversion layer is formed on the anti-reflective coating. The first light conversion layer absorbs a first light with a first wavelength and emits a second light with a second wavelength, thereby performing a photoelectric converting operation.07-01-2010
20130032207METHOD FOR CONTACT-CONNECTING A PHOTOVOLTAIC MODULE TO A CONNECTION HOUSING AND SYSTEM CONSISTING OF A PHOTOVOLTAIC MODULE AND A CONNECTION HOUSING - In a method and system consisting of a photovoltaic module and a connection housing or a junction box, wherein the photovoltaic module comprises at least one solar cell which is coupled at a rear side to an electrically conductive and structured layer for conducting away the electrical energy generated in a solar cell, and, furthermore, at least one transparent carrier layer and a covering layer are provided, wherein the electrically conducting layer can be contact-connected to connections of the connection housing, it is proposed that connections or connection elements of the connection housing can be coupled directly to partial regions having different polarities of the conducting layer via at least one through-opening in the covering layer, as a result of which contact-connection of a photovoltaic module to connection elements of a connection housing can be obtained in a simple and reliable manner.02-07-2013
20130032204NOVEL ELECTRODE - Photovoltaic cells containing a novel electrode, as well as related systems, methods, modules, and components, are disclosed.02-07-2013
20090183768TRANSPARENT CONDUCTORS FOR SILICON SOLAR CELLS - A photovoltaic device is provided in which a contact structure is formed having a plurality of heavily doped semi-conductor channels formed on a surface of a region to be contacted. The heavily doped semiconductor channels are of the same dopant polarity as the region to be contacted, and form lateral conduction paths across the surface of the region to be contacted. Contact metallisation comprising conductive fingers are formed over the surface of the region to be contacted, and each conductive finger crosses at least some of the heavily doped channels to make electrical contact therewith. The contact structure is formed by forming a layer of dopant source material over the surface to be contacted, and laser doping heavily doped channels in the surface to be contacted. The contact metallisation is then formed as conductive fingers formed over the surface to be contacted and may be screen printed, metal plated or may be formed as buried contacts.07-23-2009
20090173381GEL TYPE ELECTROLYTE FOR DYE SENSITIZED SOLAR CELL, METHOD OF PREPARING THE SAME, AND SOLAR CELL INCLUDING THE GEL TYPE ELECTROLYTE - A gel type electrolyte for a dye-sensitized solar cell including: phosphor particles or phosphor particles with metal oxide particles; a redox couple; and an organic solvent, a method of preparing the same, and a solar cell including the gel type electrolyte, which provide for a dye-sensitized solar cell that has long-term stability, excellent photoavailability, and high ionic conductivity.07-09-2009
20100043874NANOSTRUCTURED SOLAR CELL - A solar cell having a nanostructure. The nanostructure may include nanowire electron conductors having a fractal structure with a relatively large surface area. The electron conductors may be loaded with nanoparticle quantum dots for absorbing photons. The dots may be immersed in a carrier or hole conductor, initially being a liquid or gel and then solidifying, for effective immersion and contact with the dots. Electrons may move flow via a load from the electron conductors to the holes of the carrier conductor. The solar cell may be fabricated, for example, with an additive process using roll-to-roll manufacturing.02-25-2010
20100043876SOLVENT SYSTEM - Improved organic photovoltaic cells including a composition useful for forming an active layer which comprises (a) at least one p-type material, (b) at least one n-type material, (c) at least one first solvent and (d) at least one second solvent, wherein the first solvent is different from the second solvent, and the first solvent comprises at least one alkylbenzene or benzocyclohexane, and the second solvent comprises at least one carbocyclic compound. The second solvent can be used in lesser amounts but can improve efficiency in cells.02-25-2010
20100043875LUMINESCENT SOLAR COLLECTOR - A luminescent solar collector comprises a sheet and a light energy converter operatively connected to the sheet, the sheet comprising a thermoplastic polymer and dispersed therein at least two dyes A and B; wherein dye A is a fluorescent dye of Formula (I) and dye B is either a perylene dye of Formula (II) or a diketopyrrolopyrrole dye of Formula (III):02-25-2010
20100043877Hetero-Nanostructures for Solar Energy Conversions and Methods of Fabricating Same - The embodiments disclosed herein relate to hetero-nanostructures for efficient solar energy conversions, and more particularly to the fabrication of titanium dioxide hetero-nanostructures and methods of using same for water splitting. In an embodiment, a hetero-nanostructure includes a plurality of connected and spaced-apart nanobeams linked together at an about 90-degree angle, the plurality of nanobeams including a conductive silicide core having an n-type photoactive titanium dioxide shell. In an embodiment, a device for splitting water to generate hydrogen and oxygen includes a first compartment two-dimensional hetero-nanostructure having a plurality of connected and spaced-apart nanobeams, each nanobeam substantially perpendicular to another nanobeam, the plurality of nanobeams including an n-type photoactive titanium dioxide shell having a highly conductive core; and a second compartment copper-doped titanium dioxide nanostructure, wherein the first compartment and the second compartment are separated by a semi-permeable membrane.02-25-2010
20130037093SUPERSTRATE SOLAR CELL - A method of fabricating a solar cell includes forming a front contact layer over a substrate, and the front contact layer is optically transparent at specified wavelengths and electrically conductive. A first scribed area is scribed through the front contact layer to expose a portion of the substrate. A buffer layer doped with an n-type dopant is formed over the front contact layer and the first scribed area. An absorber layer doped with a p-type dopant is formed over the buffer layer. A back contact layer that is electrically conductive is formed over the absorber layer.02-14-2013
20100101645ELECTRODE OF DYE-SENSITIZED SOLAR CELL, MANUFACTURING METHOD THEREOF AND DYE-SENSITIZED SOLAR CELL - A dye-sensitized solar cell, an electrode of the dye-sensitized solar cell, a method of manufacturing the electrode of the dye-sensitized solar cell are disclosed. The method of manufacturing the electrode of the dye-sensitized solar cell in accordance with an embodiment of the present invention includes: forming a metal transparent electrode on one surface of a transparent polymer board, in which the metal transparent electrode has holes formed therein; forming a electron transfer layer on the metal transparent electrode; and absorbing photosensitive dye into the electron transfer layer. According to the method as set forth above, a flexible solar cell can be implemented by using a flexible electrode, and another transparent electrode layer using ITO can be omitted by using the nano-patterned metal transparent electrode. Therefore, the highly efficient dye-sensitized solar cell can be implemented by the excellent conductivity of metals and the plasmon effect.04-29-2010
20100101644ELECTROLYTE COMPOSITION AND DYE-SENSITIZED SOLAR CELL (DSSC) COMPRISING THE SAME - Disclosed herein is a dye-sensitized solar cell. The dye-sensitized solar cell includes a semiconductor electrode with a dye adsorbed thereon; a counter electrode; and an electrolyte composition provided between the semiconductor electrode and the counter electrode; wherein the electrolyte composition comprises an oxidation-reduction mediator and a eutectic ionic liquid including a choline halide or derivatives thereof mixed with alcohols or urea.04-29-2010
20100096007PHOTOVOLTAIC CELL FRONT FACE SUBSTRATE AND USE OF A SUBSTRATE FOR A PHOTOVOLTAIC CELL FRONT FACE - The invention relates to a photovoltaic cell comprising a photovoltaic absorbent material, said cell including a front face substrate (04-22-2010
20100096005Ruthenium complex and photoelectric component using the same - The present invention relates to a ruthenium complex represented by the following formula (I):04-22-2010
20130037095INTEGRATED SOLAR COLLECTORS USING EPITAXIAL LIFT OFF AND COLD WELD BONDED SEMICONDUCTOR SOLAR CELLS - There is disclosed ultrahigh-efficiency single- and multi-junction thin-film solar cells. This disclosure is also directed to a substrate-damage-free epitaxial lift-off (“ELO”) process that employs adhesive-free, reliable and lightweight cold-weld bonding to a substrate, such as bonding to plastic or metal foils shaped into compound parabolic metal foil concentrators. By combining low-cost solar cell production and ultrahigh-efficiency of solar intensity-concentrated thin-film solar cells on foil substrates shaped into an integrated collector, as described herein, both lower cost of the module as well as significant cost reductions in the infrastructure is achieved.02-14-2013
20130037094CONDUCTIVE PASTES AND SOLAR CELLS COMPRISING THE SAME - A conductive paste is provided. The conductive paste includes a polymer matrix and a filler blended in the polymer matrix, wherein the filler is non-spherical and at least one dimension of the filler has a length greater than or equal to λ/2n, wherein λ is a wavelength of light reflected by the conductive paste and n is a refractive index of the filler, and the polymer matrix and the filler have a weight ratio of 3:7 to 7:3.02-14-2013
20090159122Leadframe Receiver Package - The invention is a leadframe receiver package comprising a first conductive element, a solar cell electrically coupled to the first conductive element and comprising an active area, and a mold compound disposed on the leadframe and the solar cell. The mold compound defines a first aperture wall over at least a portion of the active area and a second aperture wall over at least a portion of the first conductive element. The mold compound includes a reflective surface to improve heat resistance around an aperture wall receiving solar radiation.06-25-2009
20090159124SOLAR CELL HYPERPOLARIZABLE ABSORBER - A solar cell may include a light sensitive molecule such as a hyperpolarizable molecule. In one example, a solar cell may include a layer of hyperpolarizable molecules disposed between a p-type electrode and an n-type electrode. In some cases, at least some of the hyperpolarizable molecules may include an electron donating group that is bonded or otherwise linked to the n-type electrode as well as an electron accepting group that is bonded or otherwise linked to the p-type electrode. In some instances, at least some of the hyperpolarizable molecules may include an electron donating group that is bonded or otherwise linked to the p-type electrode as well as an electron accepting group that is bonded or otherwise linked to the n-type electrode.06-25-2009
20090159123MULTIJUNCTION PHOTOVOLTAIC CELLS - A plurality of dichroic filters are included in multifunction photovoltaic cells to increase efficiency. For example, in a multi-junction photovoltaic cell comprising blue, green, and red active layers, blue, green, and red dichroic filters that reflect blue, green, and red light, respectively, may be disposed proximal to the blue, green, and red active layers to reflect back light not absorbed on the first past. The dichroic filters may be used to demultiplex white light incident on the PV cell and deliver suitable wavelengths to the appropriate active layer, e.g., blue wavelengths to the blue active layer, green wavelengths to the green active layer, red wavelengths to the red active layer. The PV cell may additionally be interferometrically tuned to increase absorption efficiency. Accordingly, optical resonant layers and cavities may be employed in certain embodiments.06-25-2009
20090159121CONDUCTIVE NANOPARTICLE INKS AND PASTES AND APPLICATIONS USING THE SAME - A method of fabricating a device, comprising a ink or paste on a silicon based semiconductor material, wherein the ink or paste comprises a mixture of inorganic conductive and additive nanoparticles and wherein the semiconductor material is silicon. An example is a mixture of silver and palladium nanoparticles.06-25-2009
20130037103BACK SHEET FOR SOLAR CELL MODULE AND SOLAR CELL MODULE - To provide a back sheet for a solar cell module, which is light in weight and excellent in productivity, wherein a coating film formed from a coating composition containing a fluorinated copolymer (A), which is formed on at least one side of a substrate sheet, is excellent in adhesion to the substrate and free from a problem of cracking, fracturing, whitening or peeling. A back sheet for a solar cell module, comprising a substrate sheet and, as formed on at least one side of the substrate sheet, a coating film formed from a coating composition containing a fluorinated copolymer (A); and a solar cell module using such a back sheet.02-14-2013
20130037102BACK ELECTRODE TYPE SOLAR CELL AND METHOD FOR PRODUCING BACK ELECTRODE TYPE SOLAR CELL - There is provided a back electrode type solar cell including: a silicon substrate of a first conductivity type; an electrode for the first conductivity type and an electrode for a second conductivity type provided at a back surface opposite to a light-receiving surface of the silicon substrate; and a first conductivity type impurity diffusion layer and a second conductivity type impurity diffusion layer provided at the back surface of the silicon substrate, the first conductivity type impurity diffusion layer and the second conductivity type impurity diffusion layer being adjacently provided, the first conductivity type impurity diffusion layer being provided at a peripheral edge of the back surface of the silicon substrate, and a method for producing the back electrode type solar cell.02-14-2013
20130037101PHOTOVOLTAIC CELL COMPRISING A REGION SUSPENDED BY A CONDUCTIVE PATTERN AND PRODUCTION PROCESS - The photovoltaic cell includes an electrically conductive passivation film separated from an electrically conductive collection layer and a substrate. An electrically conductive connection pattern maintains an area of the collection layer in suspension with respect to the passivation film. Suspension of the collection layer is obtained by making an etching agent pass through a permeable area of the collection layer.02-14-2013
20130037097PHOTOVOLTAIC MODULE WITH EDGE SEAL MASKING A BUS BAR - A photovoltaic module with at least one conductor extending along at least a portion of the peripheral edge of the module. A colored opaque edge seal extends over and in contact with at least a portion of the at least one conductor, to mask the appearance of the at least one conductor visible through a substrate. A method of forming the module is also described.02-14-2013
20130037096THICK FILM PASTE CONTAINING LEAD-TELLURIUM-LITHIUM-TITANIUM-OXIDE AND ITS USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention is directed to an electroconductive thick film paste composition comprising electrically conductive Ag, a second electrically conductive metal selected from the group consisting of Ni, Al and mixtures thereof and a lead-tellurium-lithium-titanium-oxide all dispersed in an organic medium. The present invention is further directed to an electrode formed from the thick film paste composition and a semiconductor device and, in particular, a solar cell comprising such an electrode.02-14-2013
20130037099DEVICE FOR GENERATING SOLAR POWER AND METHOD FOR MANUFACTURING SAME - Disclosed are a solar cell apparatus and a method of fabricating the same. The A solar cell apparatus includes a substrate; a back electrode layer on the substrate; a light absorbing layer on the back electrode layer; and a window layer on the light absorbing layer, wherein the light absorbing layer is formed with a third through hole having a first width, and the window layer is formed with a fourth through hole having a second width larger than the first width, and the fourth through hole corresponds to the third through hole.02-14-2013
20130037100Thin Film Photovoltaic Solar Cells - A thin film photovoltaic solar cell (02-14-2013
20130037098INFRARED REFLECTIVE LAMINATE - The infrared reflective layered product can reflect infrared radiation with certain wavelengths to prevent heat accumulation and, at the same time, has excellent heat resistance. The infrared reflective layered product comprises a layer (B) as a base layer, a layer (A) layered on one side of the layer (B), and a layer (C) layered on the other side of the layer (B).02-14-2013
20130081686CAVITY MODE ENHANCEMENT IN DYE-SENSITIZED SOLAR CELLS - Systems and methods for cavity mode enhancement in dye-sensitized solar cells are provided. A dye-sensitized solar cell generally comprises a transparent substrate, an anode layer, an oxide layer, a dye layer, a cathode, and an electrolyte. The anode layer is deposited on a surface of the transparent substrate. The oxide layer is deposited on the anode layer and the dye is deposited on the oxide layer. A cathode is disposed adjacent to the dye layer and an electrolyte is disposed between the anode layer and the cathode.04-04-2013
20130081687METHOD FOR FORMING DIFFUSION REGIONS IN A SILICON SUBSTRATE - A method of manufacturing solar cells is disclosed. The method comprises depositing an etch-resistant dopant material on a silicon substrate, the etch-resistant dopant material comprising a dopant source, forming a cross-linked matrix in the etch-resistant dopant material using a non-thermal cure of the etch-resistant dopant material, and heating the silicon substrate and the etch-resistant dopant material to a temperature sufficient to cause the dopant source to diffuse into the silicon substrate.04-04-2013
20130133740PHOTOVOLTAIC DEVICE AND METHOD FOR MANUFACTURING SAME - Disclosed are a solar cell apparatus and a method of fabricating the same. The solar cell apparatus includes a substrate, a back electrode layer on the substrate, a light absorbing layer on the back electrode layer, a window layer on the light absorbing layer, and a conductive layer interposed between the back electrode layer and the light absorbing layer and including a first conductive oxide.05-30-2013
20100108140DEVICE CAPABLE OF THERMALLY COOLING WHILE ELECTRICALLY INSULATING - The present disclosure relates to a device for thermally cooling while electrically insulating. The device contains a first adhesive layer, substrate, a second adhesive layer and a heat sink. The first adhesive layer and the second adhesive layer are a vinyl or acrylic based polymer. The adhesive layers and the substrate may contain thermally conductive fillers, light absorbing pigments or mixtures of both.05-06-2010
20100108138Photovoltaic silicon solar cells - A photovoltaic semiconductor solar cell with a backside semiconductor-oxide-nitride-oxide nonvolatile charge storage structure (referred to as a “PHONOS solar cell”) is disclosed. The PHONOS solar cell includes a semiconductor surface region, a semiconductor bulk region, and a backside structure that includes the SONO nonvolatile charge storage structure and a backside contact. The backside SONO nonvolatile charge storage structure greatly improves solar cell efficiency gains by eliminating “backside” losses, i.e., losses due to the recombination of photo-generated minority charge carriers created by the incident sunlight. The PHONOS solar cell is a highly efficient, ultra-thin, semiconductor solar cell that can be manufactured at low cost.05-06-2010
20100108141METHOD FOR CONNECTING CONDUCTOR, MEMBER FOR CONNECTING CONDUCTOR, CONNECTING STRUCTURE AND SOLAR CELL MODULE - The electric conductor connection method of the invention is a method for electrical connection between a mutually separated first electric conductor and second electric conductor, comprising a step of hot pressing a metal foil, a first adhesive layer formed on one side of the metal foil and a first electric conductor, arranged in that order, to electrically connect and bond the metal foil and first electric conductor, and hot pressing the metal foil, the first adhesive layer or second adhesive layer formed on the other side of the metal foil, and the second electric conductor, arranged in that order, to electrically connect and bond the metal foil and the second electric conductor.05-06-2010
20100108135DYE-SENSITIZED PHOTOELECTRIC CONVERSION ELEMENT MODULE AND A METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - A dye-sensitized photoelectric conversion device is formed by sequentially arranging a dye-sensitized semiconductor layer (05-06-2010
20100108137CRYSTALLINE SOLAR CELL HAVING STACKED STRUCTURE AND METHOD OF MANUFACTURING THE CRYSTALLINE SOLAR CELL - Provided are a crystalline solar cell having a stacked structure capable of increasing light absorption efficiency and preventing deterioration in a semiconductor and a method of manufacturing the crystalline solar cell. The crystalline solar cell having a stacked structure includes a non-conductive lattice buffer layer which is made of a non-conductive material and formed between crystalline solar cell layers, wherein the non-conductive lattice buffer layer electrically connects the solar cell layers to each other by a tunneling effect. The method of manufacturing the crystalline solar cell includes steps of forming a crystalline first solar cell layer, forming a non-conductive lattice buffer layer using a non-conductive material on the first solar cell layer, and forming a crystalline second solar cell layer on the non-conductive lattice buffer layer.05-06-2010
20100108136SOLAR CELL - A solar cell includes a photoelectric conversion module having a light incident surface for receiving light and converting the light into electric energy, and glass layer containing europium therein applied on the light incident surface. The glass layer modulates wavelength of received light to a higher level and transmits modulated light to the light incident surface.05-06-2010
20100108134Thin two sided single crystal solar cell and manufacturing process thereof - A design and manufacturing method for a photovoltaic (PV) solar cell less than 100 μm thick are disclosed. A porous silicon layer is formed on a wafer substrate. Portions of the PV cell are then formed using diffusion, epitaxy and autodoping from the substrate. All front side processing of the solar cell (junctions, passivation layer, anti-reflective coating, contacts to the N05-06-2010
20100108139Gallium-Doped Monocrystalline Silicon Solar Cell and Manufacture Method for the Same - A manufacture method for a gallium-doped monocrystalline silicon solar cell is provided. The method includes classifying the sheets of gallium-doped monocrystalline silicon according to resistivity; texturing and washing the sheets of gallium-doped monocrystalline silicon; diffusing the classified, textured and washed sheets of gallium-doped monocrystalline silicon; etching and depositing the sheets of gallium-doped monocrystalline silicon; and metalizing the sheets of gallium-doped monocrystalline silicon. Advantageously, Light Induced Degradation (LID) is efficiently, economically and conveniently suppressed, the light induced efficiency degradation of monocrystalline silicon solar cell can be controlled within 1%, and meanwhile, the effect of the uneven resistivity distribution of gallium-doped monocrystalline on the cell process is reduced.05-06-2010
20100108132NANO-DEVICES AND METHODS OF MANUFACTURE THEREOF - Disclosed herein is a nanodevice. Disclosed herein too is a method of manufacturing a nanodevice. In one embodiment the nanodevice includes a first substrate; a second substrate; a nanowire; the nanowire contacting the first substrate and the second substrate; the nanowire comprising a metal, a semi-conductor or a combination thereof.05-06-2010
20100108133Thin Film Semiconductor Photovoltaic Device - A substantially transparent substrate having first and second major surfaces and a plurality of side surfaces; a thin-film semiconductor layer coupled to the first major surface of the substrate and including first and second major surfaces and at least one photo-sensitive p-n junction therein; and a light directing feature operable to cause incident light to propagate through the substrate and into the semiconductor layer in a waveguide mode such that the light reflects a plurality of times between the first and second major surfaces of the semiconductor layer and impinges upon the p-n junction a plurality of times05-06-2010
20130025663INVERTED PYRAMID TEXTURE FORMATION ON SINGLE-CRYSTALLINE SILICON - A method for texturing a single-crystalline silicon substrate is provided in which inverted pyramids are formed within the textured single-crystalline silicon substrate. The textured single-crystalline silicon substrates containing the inverted pyramids provided by the present disclosure have a low reflectance associated therewith and thus can be used as a component of a silicon solar cell. The method includes forming a plurality of openings that extend beneath an upper surface of a single-crystalline silicon substrate, and forming inverted pyramids in each of the openings by expanding each opening.01-31-2013
20090120496TRANSPARENT CONDUCTIVE OXIDE COATING FOR THIN FILM PHOTOVOLTAIC APPLICATIONS AND METHODS OF MAKING THE SAME - The present invention provides transparent conductive oxide (TCO) thin films with improved optical and electrical properties and methods of making the same. More specifically, the invention provides on-line processes for producing TCO thin films that allow for improvements in optical properties and post-production improvements in electrical properties of the TCO.05-14-2009
20090120495Alternating copolymers of phenylene vinylene and oligoarylene vinylene, preparation method thereof, and organic thin flim transister comprising the same - Disclosed herein are an alternating copolymer of phenylene vinylene and oligoarylene vinylene, a preparation method thereof, and an organic thin film transistor including the same. The organic thin film transistor maintains low off-state leakage current and realizes a high on/off current ratio and high charge mobility because the organic active layer thereof is formed of an alternating copolymer of phenylene vinylene and oligoarylene vinylene.05-14-2009
20090277501Solar Panel Having Improved Light-Trapping Characteristics and Method - A photovoltaic solar cell incorporates a light scattering material into a glass superstrate. In one embodiment, the material is in the form of a layer within the glass superstrate. In a second embodiment, the material is in the form of particles dispersed within the glass superstrate Located below the glass superstrate is a smooth conductive layer panel, which permits the smooth depositing thereon on the PIN semiconductor diode. This configuration results in fewer defects and recombination centers, and improves performance.11-12-2009
20090101203Method of making an antireflective silica coating, resulting product, and photovoltaic device comprising same - A low-index silica coating may be made by forming silica sol including or of a silane and/or a colloidal silica. The silica precursor may be deposited on a substrate (e.g., glass substrate) to form a coating layer. The coating layer may then be cured and/or fired using temperature(s) of from about 550 to 700° C. The coating layer includes a striping-reducing agent to inhibit the appearance of striping in the coating layer. The low-index silica based coating may be used as an antireflective (AR) film on a front glass substrate of a photovoltaic device (e.g., solar cell) or any other suitable application in certain example instances.04-23-2009
20100065114Dye-sensitized solar cell structure and method for fabricating the same - The present invention discloses a dye-sensitized solar cell structure and a method for fabricating the same. The method of the present invention comprises forming insulation layers on a titanium plate; forming a plurality of titanium dioxide units on the titanium plate each containing a plurality of titanium dioxide nanotubes, wherein each insulation layer is arranged in between two adjacent titanium dioxide units; making the titanium dioxide units absorb a photosensitive dye; forming a transparent conductive film over the insulation layers and the titanium dioxide units; and filling an electrolyte into spaces each enclosed by the transparent conductive film, the titanium dioxide unit, the insulation layers. The present invention not only increases the electron transmission efficiency and photoelectric conversion efficiency but also promote the uniformity of the semiconductor layer.03-18-2010
20130068298SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the same are provided. The solar cell includes: i) a first conductive layer; ii) a plurality of nano structures that are positioned on the first conductive layer and that are extended to cross a surface of the first conductive layer and that are separated from each other; iii) a resin layer that is positioned on the first conductive layer and that is filled at space between the plurality of nano structures; iv) at least one semiconductor layer that is positioned on the resin layer and that covers the plurality of nano structures; and v) a second conductive layer that covers the semiconductor layer and that has a light transmittance lower than that of the first conductive layer.03-21-2013
20130068294DYE-SENSITISED SOLAR CELL WITH NICKEL CATHODE - The present invention relates to a cathode for use in a dye-sensitised solar cell which comprises a redox couple, wherein the cathode comprises: (a) metallic nickel; and (b) intrinsically conducting polymer that, during operation of the cell, reduces an oxidised species of the redox couple.03-21-2013
20130068297Black Silicon Solar Cell and Its Preparation Method - A black silicon solar cell includes a metal back electrode, the crystal silicon, a black silicon layer, a passivation layer and a metal gate; wherein, the metal back electrode is located on the back surface of the crystal silicon, the black silicon layer is located on the crystal silicon, the passivation layer is located on the black silicon layer, the metal gate is located on the passivation layer. The fabrication method includes: carrying out pretreatment of the silicon wafer; preparing the black silicon layer on the surface of the pretreated silicon wafer by using plasma immersion ion implantation technology; preparing an emitter on the black silicon layer, and carrying out passivation treatment on the emitter to form the passivation layer; respectively preparing the metal back electrode and the metal gate on the back surface of the single crystal silicon wafer and the passivation layer, respectively.03-21-2013
20130068293SUBSTRATE GEOMETRY FOR THREE DIMENSIONAL PHOTOVOLTAICS FABRICATION - A thin film photovoltaic device with back contacts is disclosed. The thin film photovoltaic device may comprise 1) a first contact disposed in a first layer and having an upper surface and a lower surface; 2) a first semiconductor disposed in a second layer and having a lower surface disposed on the upper surface of the first contact; 3) an insulator or second semiconductor disposed in a third layer and on an upper surface of the first semiconductor; 4) a second contact disposed in a fourth layer and on the insulator or second semiconductor; and 5) an absorber disposed in a fifth layer and about the second contact. The absorber may comprise a p-type or a n-type semiconductor and the first semiconductor may comprise the other of the p-type and n-type semiconductor. The second contact may be patterned.03-21-2013
20130068296SOLAR-CELL-INTEGRATED GAS PRODUCTION DEVICE - The present invention provides a solar-cell-integrated gas production device that can generate a first gas and a second gas by utilizing an electromotive force of a solar cell, and that can supply power to an external circuit by utilizing the same solar cell.03-21-2013
20130068295PROCESS AND APPARATUS FOR PRODUCING A GLASS SHEET COATED WITH A SEMICONDUCTOR MATERIAL - The invention relates to a process for producing a glass sheet 03-21-2013
20130068292ALUMINUM NANOSTRUCTURE ARRAY - Described herein is a method for obtaining a three-dimensional nanostructure array on an aluminum substrate. The method includes anodizing the aluminum substrate; forming an oxide layer on the aluminum substrate; texturizing the aluminum substrate; etching the oxide layer from the aluminum substrate to expose the texturized aluminum substrate; and forming a three-dimensional aluminum nanostructure array on the aluminum substrate. The three-dimensional nanostructure array, coated with a light absorber, is utilized in a thin film solar cell or photovoltaic cell.03-21-2013
20130068291DYE-SENSITIZED SOLAR CELLS - The present invention discloses an innovative way to improve the conversion efficiency of solar energy into electric energy of dye-sensitized solar cells. The solar cells of the present invention present a film obtained by painting a light reflective coating (03-21-2013
20130068290CONDUCTIVE PASTE COMPOSITION AND SEMICONDUCTOR DEVICES MADE THEREFROM - A conductive paste composition contains a source of an electrically conductive metal, a lead-tellurium-based oxide, a discrete oxide of an adhesion promoting element, and an organic vehicle. An article such as a high-efficiency photovoltaic cell is formed by a process of deposition of the paste composition on a semiconductor substrate (e.g., by screen printing) and firing the paste to remove the organic vehicle and sinter the metal and lead-tellurium-based oxide.03-21-2013
20120180863SOLAR CELL APPARATUS AND METHOD OF FABRICATING THE SAME - Disclosed is a solar cell apparatus. The solar cell apparatus includes a substrate, and a solar cell on the substrate. The substrate includes a support layer below the solar cell, and a reinforcement part provided below the support layer and having an open region to expose a bottom surface of the support layer.07-19-2012
20120180864PASTE FOR FORMING OF AN ELECTRODE OF A SOLAR CELL - There is provided a paste for the production of a solar cell electrode, which exhibits high electrical conductivity, low contact resistance, high aspect ratio, superior storage stability and excellent adhesive strength. When a solar cell electrode is produced from the paste according to the present invention, it can be cured at a drying temperature without undergoing a separate sintering process, thereby increasing productivity in the manufacture of solar cell electrodes07-19-2012
20120180862NON-CONTACTING BUS BARS FOR SOLAR CELLS AND METHODS OF MAKING NON-CONTACTING BUS BARS - A photovoltaic module having non-contacting bus bars and methods of making non-contacting bus bars are disclosed. The fingers are screen printed on the substrate using a paste. The bus bar(s) can be formed over the fingers using a number of techniques that do not dissolve through the passivation layer of the substrate. The bus bar(s) can be screen printed over the fingers using a second paste that is more viscous and/or conductive than the first paste. The bus bar(s) can be a conductive trace that is deposited over the fingers. The bus bar(s) can be a metal wire coated with solder or paste that is positioned on the fingers. Metal plating techniques may also be used to thicken the fingers and/or bus bars. One or more doping steps may be used to form selective emitters under the fingers and bus bar.07-19-2012
20120180860SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell and a method for manufacturing the same are disclosed. The method for manufacturing the solar cell includes forming an emitter region of a second conductive type opposite a first conductive type at a first surface of a substrate of the first conductive type by using an ion implantation method, forming a passivation layer on a second surface positioned opposite the first surface of the substrate, and forming a first electrode, which is positioned on the first surface of the substrate and is connected to the emitter region, and a second electrode, which is positioned on the second surface of the substrate and is selectively connected to the substrate through the passivation layer.07-19-2012
20120180859Conductive Paste, And Electronic Device And Solar Cell Including An Electrode Formed Using The Same - A conductive paste includes a conductive powder, a metallic glass, and an organic vehicle. The metallic glass includes a first element, a second element having a higher absolute value of Gibbs free energy of oxide formation than the first element, and a third element having an absolute value of Gibbs free energy of oxide formation of about 1000 kJ/mol or less at a baking temperature and a eutectic temperature with the conductive powder of less than about 1000° C. An electronic device and a solar cell may include an electrode formed using the conductive paste.07-19-2012
20120180858METHOD FOR MAKING SEMICONDUCTING FILM AND PHOTOVOLTAIC DEVICE - One aspect of the present invention provides a method to make a film. The method includes providing a target comprising a sulfide within an oxygen free environment; applying a plurality of direct current pulses to the target to create a pulsed direct current plasma; sputtering the sulfide target with the pulsed DC plasma to eject a material comprising sulfur into the plasma; and depositing a film comprising the ejected material onto a support. Another aspect of the present invention provides a method of making a photovoltaic device.07-19-2012
20090044859Device For Converting Electromagnetic Radiation Energy Into Electrical Energy And Method Of Manufacturing Such A Device02-19-2009
20090044858Method of Manufacture of Semiconductor Device and Conductive Compositions Used Therein - The present invention is directed to a thick film conductive composition comprising: (a) electrically conductive silver powder; (b) Mn-containing additive; (c) glass frit wherein said glass frit has a softening point in the range of 300 to 600° C.; dispersed in (d) organic medium.02-19-2009
20090044856SOLAR CELL AND SOLAR CELL MODULE - A solar cell according to the present invention includes: a photoelectric conversion part having a photoelectric converting function; and a collector electrode provided at a side of a light-receiving surface of the photoelectric conversion part in a way that parts of the light-receiving surface are exposed. Interconnection tabs are connected at a side of a light-receiving surface of the collector electrode with an adhesive being interposed in between. The collector electrode contains a thermosetting first resin, an conductive material and a second resin for forming a sea-island structure between the second resin and the first resin. The collector electrode includes an internal region in the inside, a concentration ratio of the second resin to the first resin being higher in the internal region than in the surface region at the side of either the adhesive or the photoelectric conversion part.02-19-2009
20100006148SOLAR CELL WITH POROUS INSULATING LAYER - Disclosed are solar cells and methods for making solar cells. An example solar cell may include an electron conductor layer. The solar cell may also include a hole conductor layer. An insulating layer may be disposed between the electron conductor layer and the hole conductor layer. The insulating layer may have a plurality of pores. Absorber material may be disposed at least partially within at least some of the plurality of pores.01-14-2010
20100006147SOLAR CELL MODULE - A solar cell module includes: a photoelectric conversion body 01-14-2010
20100006146Wafer-Specific Line Patterning For Solar Cells And The Like - A semiconductor or similar body used, for example, for a solar cell is examined for the physical locations of characteristics effecting its performance, such as grain boundaries, areas of relatively higher sheet resistance, bulk resistance, shortened carrier lifetime, etc. A grid array layout for conductive lines may be specifically tailored such it is positioned over less efficient photo-generative regions of the body to, for example, minimize shadowing of more efficient regions, provide a short conduction path for regions of shortened carrier lifetime, etc. The grid array layout may then be formed on the surface of the body, for example by a digital lithographic process, to accommodate cell-by-cell and/or body-by-body variations in the performance characteristics. The tailored grid array provides increased overall photo-generative efficiency of the completed solar cell.01-14-2010
20100326516PHOTOELECTRIC TRANSFER DEVICE - In a photoelectric transfer device having a semiconductor electrode composed of semiconductor nanoparticles and an electrolyte layer between a pair of transparent conductive substrates, a transparent conductive substrate at the light-receiving side is made by stacking a transparent substrate, conductive wiring layer and a metal oxide layer in order from the light-receiving side and having sheet resistance equal to or lower than 10Ω/□. The metal oxide layer is made of an In—Sn composite oxide, SnO12-30-2010
20130048072SOLAR PHOTOVOLTAIC DEVICE AND A PRODUCTION METHOD FOR THE SAME - Disclosed are a solar cell and a method of fabricating the same. The solar cell includes a back electrode layer; a light absorbing layer on the back electrode layer; a protrusion pattern on the light absorbing layer; a first anti-reflective layer having a first thickness on the protrusion pattern; and a second anti-reflective layer having a second thickness smaller than the first thickness on the protrusion pattern.02-28-2013
20130048071THIN REFRACTORY METAL LAYER USED AS CONTACT BARRIER TO IMPROVE THE PERFORMANCE OF THIN-FILM SOLAR CELLS - A thin film amorphous silicon solar cell may have front contact between a hydrogenated amorphous silicon layer and a transparent conductive oxide layer. The cell may include a layer of a refractory metal, chosen among the group composed of molybdenum, tungsten, tantalum and titanium, of thickness adapted to ensure a light transmittance of at least 80%, interposed therebetween, before growing by PECVD a hydrogenated amorphous silicon p-i-n light absorption layer over it. A refractory metal layer of just about 1 nm thickness may effectively shield the oxide from the reactive plasma, thereby preventing a diffused defect when forming the p.i.n. layer that would favor recombination of light-generated charge carriers.02-28-2013
20100000600THERMOPLASTIC RESIN COMPOSITION FOR SEALING SOLAR CELL, SHEET FOR SEALING SOLAR CELL AND SOLAR CELL - An object of the present invention is to provide a material used for producing a sheet for sealing a solar cell which is excellent in mechanical strength, solar cell sealing property and transparency if the material is not cross-linked.01-07-2010
20130087190PHOTOVOLTAIC DEVICES AND METHODS OF FORMING THE SAME - This disclosure provides photovoltaic apparatus and methods of forming the same. In one implementation, a photovoltaic device includes an anode contact structure, a cathode contact structure, and an inorganic solar cell disposed between the anode and cathode contact structures. The inorganic solar cell includes a p-type photovoltaic layer, an n-type photovoltaic layer, and one or more minority carrier blocking layers for improving the efficiency of the solar cell by preventing minority carriers within the solar cell from reaching interface recombination surfaces associated with the anode and cathode contact structures.04-11-2013
20130087189METHOD OF CREATING TWO DIMENSIONAL DOPING PATTERNS IN SOLAR CELLS - An improved method of fabricating an interdigitated back contact (IBC) solar cell is disclosed. A first mask is used to perform a patterned ion implantation of n-type dopant to create the back surface field. A second mask is then used to create the p-type emitter on the same surface. The second mask may be aligned to the n-type implant, and may be used in a plurality of orientations to create the desired p-type emitter. In some embodiments, a p-type blanket implant is performed as well. In some embodiments, a doping gradient is created.04-11-2013
20130087191POINT-CONTACT SOLAR CELL STRUCTURE - A point-contact solar cell structure includes a semiconductor substrate, a front electrode, a first passivation layer, a second passivation layer, and a rear electrode. The semiconductor substrate includes an upper surface, a lower surface, and an emitter layer, a base layer, and a plurality of locally doped regions located between the upper surface and the lower surface. The plurality of locally doped regions is located on the lower surface at intervals. The second passivation layer is located on the lower surface, and has a plurality of openings disposed respectively corresponding to the locally doped regions. The rear electrode is located on one side of the second passivation layer opposite to the semiconductor substrate, and passes through the second passivation layer via the openings to contact the locally doped regions. The width of at least one opening corresponding to the front electrode is greater than that of the remaining openings.04-11-2013
20130087192PHOTOVOLTAIC DEVICE - A photovoltaic device, and a method of fabricating the same are provided. Here, a base portion and an emitter portion are formed on a surface of a semiconductor substrate. An insulation layer is formed on the base portion and the emitter portion. The insulation layer has a plurality of vias to partially expose the base portion and the emitter portion. A first electrode is formed to contact a region of the emitter portion through at least one of the vias, and a second electrode is formed to contact a region of the base portion through at least another one of the vias. Then, a dicing line is set at a bus electrode portion of the second electrode, and the semiconductor substrate is split into at least two photovoltaic devices at the base portion along the dicing line.04-11-2013
20100132787ACTIVE SOLAR CELL AND METHOD OF MANUFACTURE - Devices and methods for improving the efficiency of solar cells, and a solar cell thereof. One aspect involves a solar cell with a semiconductor layer (06-03-2010
20090301562HIGH EFFICIENCY PHOTOVOLTAIC CELL AND MANUFACTURING METHOD - A method for forming a thin film photovoltaic device includes providing a transparent substrate comprising a surface region and forming a first electrode layer overlying the surface region. Additionally, the method includes forming a copper indium material comprising an atomic ratio of Cu:In ranging from about 1.35:1 to about 1.60:1 by at least sputtering a target comprising an indium copper material. The method further includes subjecting the copper indium material to thermal treatment process in an environment containing a sulfur bearing species. Furthermore, the method includes forming a copper indium disulfide material from at least the thermal treatment process of the copper indium material. Moreover, the method includes forming a window layer overlying the copper indium disulfide material.12-10-2009
20090301561Coating composition, substrates coated therewith and methods of making and using same - Multilayer radiation curable liquid coating compositions are provided that include one or more UV oligomers including at least one aliphatic urethane acrylic oligomer; at least one acrylate diluent monomer selected from a mono-, bi-, and tri-functional reactive acrylate diluent monomers; at least one photo-initiator; at least one UV absorber; at least one hindered amine light stabilizer; and at least one antioxidant, where the liquid composition does not comprise a solvent and does not comprise an adhesion promoter. The UV oligomer in the base coat composition has elongation higher than 200% and tensile strength lower than 1000 psi. The UV oligomer in the top coat composition has tensile strength higher than 5000 psi. A coating system is provided that includes a liquid primer coat composition, a liquid base coat composition and a liquid top coat composition. The cured film has good electrical insulation and UV resistance, and passes thermal cycle, damp heat and humidity freezing tests that are part of UL certification processes. The coating compositions are useful for coating substrates including SiOx substrates.12-10-2009
20090301560PHOTOVOLTAIC ELEMENT, PHOTOVOLTAIC MODULE AND METHOD OF MANUFACTURING PHOTOVOLTAIC ELEMENT - A photovoltaic element includes a power generating region having a photoelectric conversion layer, a collector formed on a surface of the power generating region and a protective layer formed on the power generating region, wherein at least a part of the protective layer is formed at a prescribed interval from a side surface of the collector without contact with the side surface.12-10-2009
20090301559SOLAR CELL HAVING A HIGH QUALITY REAR SURFACE SPIN-ON DIELECTRIC LAYER - A thin silicon solar cell having a high quality spin-on dielectric layer is described. Specifically, the solar cell may be fabricated from a crystalline silicon wafer having a thickness from 50 to 500 micrometers. A first dielectric layer is applied to the rear surface of the silicon wafer using a spin-on process. A high temperature furnace operation provides simultaneous emitter diffusion and front and rear surface passivation. During this high temperature operation, the front emitter is formed, the rear spin-on dielectric layer is cured, and the front dielectric layer is thermally grown. Barrier layers are formed on the dielectric layers. Openings are made in the barrier layers. Contacts are formed in the openings and on the back surface barrier layer.12-10-2009
20090301558Photoelectric Converter and Method for Producing the Same - A photoelectric converter includes a lower electrode layer, a compound semiconductor thin film of a chalcopyrite structure functioning as a photoabsorption layer and a light transmitting electrode layer that are sequentially laminated on a substrate. An end portion of the of compound semiconductor thin film is positioned outward beyond an end of the light transmitting electrode layer.12-10-2009
20090301557METHOD FOR PRODUCING PHOTOVOLTAIC CELLS AND PHOTOVOLTAIC CELLS OBTAINED BY SUCH METHOD - A method for the production of a photovoltaic device, for instance a solar cell, is disclosed. In one aspect, the method comprises providing a substrate having a front main surface and a rear surface. The method further comprises depositing a dielectric layer on the rear surface, wherein the dielectric layer has a thickness larger than about 100 nm. The method further comprises depositing a passivation layer comprising hydrogenated SiN on top of the dielectric layer and forming back contacts through the dielectric layer and the passivation layer. In another aspect, corresponding photovoltaic devices, for instance solar cell devices, are also disclosed.12-10-2009
20090301556MULTILAYER ORGANIC SOLAR CELL - Disclosed is a multilayer organic solar cell having a structure wherein an inter-layer (12-10-2009
20120216861SOLAR BATTERY CELL - In a solar battery cell, a plurality of silver electrodes are formed in a dot shape with a predetermined gap therebetween linearly along a rear surface tab line. Pitches among the silver electrodes are set so as to be large in a central part of a silicon substrate and small at the ends of the silicon substrate. By arranging many silver electrodes at ends of the silicon substrate having a large stress, the rigidity at the ends is improved, and the warpage is decreased, thereby suppressing cell cracking.08-30-2012
20130056066BACK SIDE PROTECTIVE SHEET FOR SOLAR CELL AND SOLAR CELL MODULE COMPRISING THE SAME - Provided are a back side protective sheet for a solar cell capable of enhancing adherence to an EVA resin as a filler used to seal solar cell elements and of maintaining a weather resistance over a long period of time; and a solar cell module including the back side protective sheet for a solar cell. The back side protective sheet (03-07-2013
20130056065TRANSPARENT FILM CONTAINING TETRAFLUOROETHYLENE-HEXAFLUOROPROPYLENE COPOLYMER AND HAVING AN ORGANOSILANE COUPLING AGENT TREATED SURFACE - In a first aspect, a transparent film includes a tetrafluoroethylene-hexafluoropropylene copolymer layer having an organosilane coupling agent treated surface such that the treated surface of the transparent film, when directly laminated to an encapsulant layer including ethylene-vinyl acetate copolymer, forms a multilayer film with an average peel strength between the transparent film and the encapsulant layer of greater than 2 lbf/in after curing to crosslink the ethylene-vinyl acetate copolymer and then 1000 hrs of damp heat exposure.03-07-2013
20130056064BACKSIDE PROTECTIVE FILM FOR SOLAR CELL, METHOD FOR PRODUCING SAME, AND SOLAR CELL MODULE - Disclosed is a backside protective film (03-07-2013
20130056061BIFACIAL SOLAR CELLS WITH OVERLAID BACK GRID SURFACE - A simplified manufacturing process and the resultant bifacial solar cell (BSC) are provided, the simplified manufacturing process reducing manufacturing costs. The BSC includes an active region located on the front surface of the substrate, formed for example by a phosphorous diffusion step. After removing the PSG, assuming phosphorous diffusion, and isolating the front junction, dielectric layers are deposited on the front and back surfaces. Contact grids are formed, for example by screen printing. Prior to depositing the back surface dielectric, a metal grid may be applied to the back surface, the back surface contact grid registered to, and alloyed to, the metal grid during contact firing.03-07-2013
20130056060PROCESS FOR THE PRODUCTION OF LFC-PERC SILICON SOLAR CELLS - A process for the production of a LFC-PERC silicon solar cell having an aluminum back electrode wherein an aluminum paste having no or only poor fire-through capability and including particulate aluminum, glass frit, an organic vehicle and 0.01 to <0.05 wt. % of at least one antimony oxide, based on total aluminum paste composition, is used, and wherein the at least one antimony oxide is present in the aluminum paste as separate particulate constituent(s) and/or as glass frit constituent(s).03-07-2013
20130056059BACK CONTACT LAYER STRUCTURE FOR GROUP IBIIIAVIA PHOTOVOLTAIC CELLS - Described are new ohmic contact materials and diffusion barriers for Group IBIIIAVIA based solar cell structures, which eliminate two way diffusion while preserving the efficient ohmic contacts between the substrate and the absorber layers.03-07-2013
20130056063PREPARATION METHOD OF OXIDE ELECTRODE FOR SENSITIZED SOLAR CELL AND SENSITIZED SOLAR CELL USING THE SAME - The present invention relates to a method of manufacturing an oxide electrode for a dye-sensitized solar cell including metal oxide nanoparticles by using a miller, and a dye-sensitized solar cell manufactured by using the same. More particularly, the present invention provides a method of manufacturing an oxide electrode for a dye-sensitized solar cell. The method includes (a) mixing metal oxide nanoparticles, a binder resin, and a solvent to prepare a metal oxide paste, (b) coating the metal oxide paste to a miller and pulverizing the metal oxide nanoparticles to prepare a paste including the metal oxide nanoparticles uniformly dispersed therein, and (c) coating the paste including the metal oxide nanoparticles dispersed therein on a conductive transparent substrate, performing a heat treatment of the resulting substrate, and adsorbing a dye thereon to manufacture the conductive electrode.03-07-2013
20130056062POLYMER THICK FILM SILVER ELECTRODE COMPOSITION FOR USE IN THIN-FILM PHOTOVOLTAIC CELLS - The invention is directed to a polymer thick film silver composition comprising: (a) conductive silver flake (b) organic medium comprising (1) phenoxy organic polymeric binder and (2) organic solvent. The composition may be processed at a time and energy sufficient to remove all solvent.03-07-2013
20130056056DYE-SENSITIZED SOLAR CELL INCLUDING A COLLECTOR - Disclosed is a dye-sensitized solar cell. The dye-sensitized solar cell includes a working electrode and a counter electrode configured to join the working electrode. The working electrode includes a photo electrode having a plurality of photo electrode cells coated on a transparent conductive substrate and arranged in linear rows and a collector having a plurality of collector cells coated on the transparent conductive substrate and arranged along perimeters of the photo electrode and between the photo electrode cells and a collector bottom portion integrally interconnecting the collector cells. The collector cells have a same length or the collector cells arranged along the perimeters have a different length from the collector cells arranged between the photo electrode cells to increase an active area of the photo electrode.03-07-2013
20130056055SOLAR ENERGY CELL - A solar energy cell includes a photoelectric conversion layer, an anti-reflection layer and a plurality of electrical conductive channels. The anti-reflection layer is disposed on the photoelectric conversion layer. The electrical conductive channels are disposed on the anti-reflection layer and electrically connected with the photoelectric conversion layer, wherein the electrical conductive channels include a conductive paste and pigments to enable a color thereof to be substantially the same as a color of the anti-reflection layer.03-07-2013
20130056058CONTACT SOLAR CELL AND METHOD FOR PRODUCING SAME - The present invention relates to a contacted solar cell which has contact places on the front- and rear-side for electrical contacting of the solar cell. The current produced by the solar cells is tapped across the solar cells by means of a conductor fitted on the front- or rear-side, the contact places of the solar cell being arranged, according to the invention, on the front- or rear-side such that, in projection on the front-face of the solar cell, they do not come to coincide.03-07-2013
20130056054HIGH WORK FUNCTION LOW RESISTIVITY BACK CONTACT FOR THIN FILM SOLAR CELLS - Back contact materials and processes for use in the manufacturing of CdTe, CIGS, and CZTS TFPV superstrate solar cells are described. High conductivity, high work function materials of ReO03-07-2013
20130056057DYE-SENSITIZED SOLAR CELL - The present invention provides a dye-sensitized solar cell which enhances an area of a photo electrode by arranging metal wires on a surface of a transparent substrate or a transparent conductive layer without degrading a transparency of the solar cell, allowing the metal wires to act as a collector electrode exclusively or together with a metal electrode.03-07-2013
20110005593PHOTOVOLTAIC DEVICE - A photovoltaic device including an active layer of an amorphous material in which the active layer is in the shape of an array of defined and repeating geometrical structures, wherein the geometrical structures include a base and a single apex that are connected by at least three n-polygonal surfaces where n is equal to 4 or higher.01-13-2011
20090095347CIS BASED THIN-FILM SOLAR CELL MODULE HAVING PATTERN-DISPLAYING FUNCTION AND PROCESS FOR PRODUCING THE SAME - A design pattern or the like is displayed on a module at low cost through simple production steps without reducing the reliability and conversion efficiency of the module to thereby improve an aesthetic sense and obtain an advertising effect. A resin film F bearing a cutout display pattern, e.g., a design, is sandwiched between a CIS based thin-film solar cell submodule 04-16-2009
20120103410CONDUCTIVE PASTE COMPOSITE - Provided is a conductive paste composite. The conductive paste composite comprises first conductive powder having a first average grain size, and second conductive powder having a second average grain size.05-03-2012
20120103406METALLIC CONTACTS FOR PHOTOVOLTAIC DEVICES AND LOW TEMPERATURE FABRICATION PROCESSES THEREOF - Embodiments of the invention generally relate to photovoltaic devices and more specifically, to the metallic contacts disposed on photovoltaic devices, such as photovoltaic cells, and to the fabrication processes for forming such metallic contacts. The metallic contacts contain a palladium germanium alloy formed at low temperatures during an anneal process. In some embodiments, the photovoltaic cell may be heated to a temperature within a range from about 20° C. to about 275° C. during the anneal process, for example, at about 150° C. for about 30 minutes. In other embodiments, the photovoltaic cell may be heated to a temperature within a range from about 150° C. to about 275° C. for a time period of at least about 0.5 minutes during the anneal process.05-03-2012
20090065052SOLAR CELL HAVING IMPROVED ELECTRON EMISSION USING AMORPHOUS DIAMOND MATERIALS - Solar cells and related methods using thin layers of amorphous diamond. A thin layer of amorphous diamond is in electrical communication with a conductor. The use of a thin layer of amorphous diamond helps to reduce back conversion of excited electrons to heat. Reduced back conversion in turn can provide an increase in the efficiency of solar cells using the presently disclosed techniques.03-12-2009
20090293950Photovoltaic Cell - A photovoltaic cell, particularly a color-sensitized solar cell, comprises a conductive support substrate, coated with a metal oxide semiconductor layer, a color layer embodied so as to electronically interact with the metal oxide semiconductor layer, an electrolyte later that is applied to the color layer, and a counter-electrode which is connected to the electrolyte layer. The support substrate and/or the counter-electrode is/are made from a flexible fabric composed of a plurality of interwoven fibers.12-03-2009
20090071537INDEX TUNED ANTIREFLECTIVE COATING USING A NANOSTRUCTURED METAMATERIAL - An anti-reflective layer solar cell/optical medium is provided by nanostructuring the surface of the optical material into which light transmission is desired. The surface of the optical material is etched through a nanoporous polymer film etch mask to transfer the porous pattern to the optical material. The resultant nanostructured layer is an optical metamaterial since it contains structural features much smaller than the wavelength of light and the presence of these structural features change the effective index of refraction by controlling the degree of porosity in the nanostructured layer and also by controlling the thickness of the porous layer.03-19-2009
20090272432SOLAR CELL - A solar cell includes a first electrode, a second electrode and a stacked semiconductor layer. The stacked semiconductor layer is disposed between the first electrode and the second electrode. The stacked semiconductor layer includes a first semiconductor layer, a second semiconductor layer and an intrinsic semiconductor layer. The first semiconductor layer has a first energy gap. The second semiconductor layer has a second energy gap. The intrinsic semiconductor layer is disposed between the first semiconductor layer and the second semiconductor layer, wherein the intrinsic semiconductor layer is a chalcopyrite layer and has a third energy gap. The third energy gap is less than the first energy gap and the second energy gap.11-05-2009
20090272431COUNTER ELECTRODE FOR A PHOTOELECTRIC CONVERSION ELEMENT AND PHOTOELECTRIC CONVERSION ELEMENT - A photoelectric conversion element including: (1) a window electrode having a transparent substrate and a semiconductor layer provided on a surface of the transparent substrate, a sensitizing dye being adsorbed on the semiconductor layer; (2) a counter electrode having a substrate and a conductive film, provided on a surface of the substrate, that is arranged so as to face the semiconductor layer of the window electrode, and wherein the counter electrode has carbon nanotubes provided on the substrate surface via the conductive film; and (3) an electrolyte layer disposed at least in a portion between the window electrode and the counter electrode.11-05-2009
20090056804SOLAR CELL - A solar cell having a through-hole electrode with an improved manufacturing yield is provided. The solar cell includes a through-hole passing through a photoelectric converter from a light-receiving surface to the back surface of the photoelectric converter. One end portion on the back surface side of the through-hole branches off in multiple back surface side branch portions and the back surface side branch portions open on the back surface of the photoelectric converter.03-05-2009
20090056803SOLAR CELL MODULE, METHOD FOR MANUFACTURING THE SAME, SOLAR CELL, AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a solar cell module according to the present invention includes a step of forming a protective layer formed of a transparent material on one main surface of one solar cell, and a region in which the one main surface is exposed remains on an outside of the circumference of the protective layer formed on the one main surface.03-05-2009
20090056802Practical method and means for mechanosynthesis and assembly of precise nanostructures and materials including diamond, programmable systems for performing same; devices and systems produced thereby, and applications thereof - The present invention features compositions for mechanosynthetic tool molecules useful as mechanosynthetic tools and improving over those proposed heretofore, novel uses of extant materials as mechanosynthetic tools, novel methods for improving the design of mechanosynthetic tools, methods for attachment of mechanosynthetic tool molecules to structural support members, methods for mechanosynthesis of precise nanostructures, novel uses of extant materials as starting seeds for mechanosynthetic products, novel modifications of nanostructures and the formation of patterns thereof, and novel uses of modifications of nanostructures as electrically conducting nanowires useful in electronic devices, photovoltaic devices and communications devices. Related electromechanosynthetic deposition of a metal using similar methods and means are likewise disclosed. Methods and means are provided for the fabrication of devices for performing the mechanosyntheses of the present invention including systems themselves capable of the self- or allo-replication of such systems, and also of device growth or expansion via autofabrication and autoassembly. Additionally, the foregoing methods are applied in the fabrication and assembly of novel actuator devices, nanoelectromechanical digital logic devices, analyte detection devices including devices for performing biomolecular and chemical assays, including detection of specific polynucleotides, and fluidic devices. Combinations of the foregoing enable the production of novel materials processing devices and systems disclosed as aspects of the present invention, including materials processing systems useful in processing environmental pollutants or raw materials, particularly also such devices which either themselves are or are produced by self- or allo-replicated systems.03-05-2009
20090056801Thin film solar cell and manufacturing method thereof - The present invention discloses a thin film solar cell and manufacturing method thereof. The thin film solar cell comprises a substrate, a first electrode layer, a photoelectric conversion layer and a second electrode layer. The first electrode layer is formed with a plurality of first grooves so as to divide the first electrode layer into a plurality of unit cells. The photoelectric conversion layer is formed with a plurality of third grooves. A first offset exists between each third groove and each first groove. The second electrode layer is formed with a plurality of second grooves extending downward adequately into the photoelectric conversion layer. A second offset exists between each second groove and each third groove. The thin film solar cell further comprises at least one isolation groove positioned around the second electrode layer; out of projections of the unit cells, and extended downward so as to remove the second electrode layer. The first electrode layer further comprises at least one outer groove that is inside of the isolation groove and is extended downward to the substrate.03-05-2009
20090056800Surface Passivation of Silicon Based Wafers - The surface recombination velocity of a silicon sample is reduced by deposition of a thin hydrogenated amorphous silicon or hydrogenated amorphous silicon carbide film, followed by deposition of a thin hydrogenated silicon nitride film. The surface recombination velocity is further decreased by a subsequent anneal. Silicon solar cell structures using this new method for efficient reduction of the surface recombination velocity is claimed.03-05-2009
20090056798Thick Film Pastes For Fire Through Applications In Solar Cells - Formulations and methods of making solar cell contacts and cells therewith are disclosed. The invention provides a photovoltaic cell comprising a front contact, a back contact, and a rear contact. The back contact comprises, prior to firing, a passivating layer onto which is applied a paste, comprising aluminum, a glass component, wherein the aluminum paste comprises, aluminum, another optional metal, a glass component, and a vehicle. The back contact comprises, prior to firing, a passivating layer onto which is applied an aluminum paste, wherein the aluminum paste comprises aluminum, a glass component, and a vehicle.03-05-2009
20120222738CONDUCTIVE COMPOSITION, SILICON SOLAR CELL INCLUDING THE SAME, AND MANUFACTURING METHOD THEREOF - A conductive composition for a front electrode busbar of a silicon solar cell includes a metallic powder, a solder powder, a curable resin, a reducing agent, and a curing agent. A method of manufacturing a front electrode busbar of a silicon solar cell includes applying the composition to the front surface of the silicon solar cell wherein its front electrode finger line is formed. A substrate includes a front electrode busbar of a silicon solar cell, formed with a conductive composition. A silicon solar cell includes one or more electrodes containing a conductive composition including a conductive powder, a curable resin, a reducing agent, and a curing agent. A method of manufacturing the silicon solar cell includes forming a first electrode array with a first conductive composition, forming a second electrode, and forming a third electrode with a third conductive composition.09-06-2012
20120222737HOT CARRIER ENERGY CONVERSION STRUCTURE AND METHOD OF FABRICATING THE SAME - A method of fabricating a hot carrier energy conversion structure, and a hot carrier energy conversion structure. The method comprises forming an energy selective contact ESC comprising a tunnelling layer; forming a carrier generation layer on the ESC; and forming a semiconductor contact without a tunnelling layer on the carrier generation layer.09-06-2012
20120222736FRONT CONTACT SOLAR CELL MANUFACTURE USING METAL PASTE METALLIZATION - Embodiments of the invention contemplate the formation of a high efficiency solar cell using novel methods to form metal contact structures of the solar cell device. In one embodiment, a solar cell device includes a substrate comprising a doped semiconductor material, a surface formed on the substrate having a second doped semiconductor layer having a conductivity type opposite to the first doped semiconductor material, a dielectric layer disposed on the surface of the substrate, a metal contact structure formed in the dielectric layer with a first predetermined cross sectional area, and a metal line formed on the metal contact structure with a second predetermined cross sectional area, wherein the second predetermined cross sectional area is larger than the first predetermined cross sectional area.09-06-2012
20120222735N-Type Silicon Solar Cell With Contact/Protection Structures - A solar cell is formed on an n-type semiconductor substrate having a p+ emitter layer by forming spaced-apart contact/protection structures on the emitter layer, depositing a blanket dielectric passivation layer over the substrate's upper surface, utilizing laser ablation to form contact openings through the dielectric layer that expose corresponding contact/protection structures, and then forming metal gridlines on the upper surface of the dielectric layer that are electrically connected to the contact structures by way of metal via structures extending through associated contact openings. The contact/protection structures serve both as protection against substrate damage during the contact opening formation process (i.e., to prevent damage of the p+ emitter layer caused by the required high energy laser pulses), and also serve as optional silicide sources that facilitate optimal contact between the metal gridlines and the p+ emitter layer.09-06-2012
20100126574Melt Planarization Of Solar Cell Bus Bars - Solar cells include bus bars and high aspect-ratio gridlines that are printed on a substrate, and localized melting is induced to slump or flatten the gridline “vertex” portions that are disposed on the bus bars, while maintaining the high aspect-ratio of gridlines portions disposed on the substrate between the bus bars. The localized melting process is induced using one of several disclosed methods, such as rheological melting in which the two printed inks produce a compound that is relatively liquid. Localized melting is also induced using a deliquescing material (e.g., a flux or a solvent film) that is applied to the bus bar or gridline material. Also, eutectic melting is induced using a processing temperature that is between a melting point of the combined gridline/bus bar inks and the individual melting points of the inks alone. Laser-based melting and the use of copolymers is also disclosed.05-27-2010
20110011454SOLAR CELL MODULE AND SOLAR CELL - A ratio of an area in which a first exposed portion 01-20-2011
20110011453SOLAR CELL MODULE AND METHOD FOR MANUFACTUIRNG THE SAME - A solar cell module includes a substrate, a first electrode disposed on the substrate and including a first groove extending in a first direction in a plan view of the substrate, a semiconductor layer disposed on the first electrode and including a second groove extending in the first direction and a third groove extending in the first direction, a second electrode disposed on the semiconductor layer and including the third groove, and a fourth groove disposed extending through the semiconductor layer and the second electrode and disposed between the second groove and the third groove in the plan view of the substrate.01-20-2011
20110011452Concentration Photovotaic Apparatus - A concentration photovoltaic apparatus includes a substrate, a bypass diode, a solar cell and an adhesion layer. The substrate includes five conduction regions. The solar cell is provided on the fourth conduction region, on a side of the cutouts, and connected to the third and fifth conduction regions through wires. The adhesion layer is provided between the solar cell and the fourth conduction region.01-20-2011
20130061916PHOTOVOLTAIC CELLS WITH COPPER GRID - A photovoltaic device, such as a solar cell, having improved performance is provided. The photovoltaic device includes a copper-containing layer that contains an amount of impurities therein which is sufficient to hinder the diffusion of copper into an underlying semiconductor substrate. The copper-containing layer, which is located within a grid pattern formed on a front side surface of a semiconductor substrate, includes an electroplated copper-containing material having an impurity level of 200 ppm or greater located atop at least one metal diffusion barrier layer.03-14-2013
20130061918PROCESS FOR THE FORMATION OF A SILVER BACK ELECTRODE OF A PASSIVATED EMITTER AND REAR CONTACT SILICON SOLAR CELL - A process for the formation of an electrically conductive silver back electrode of a PERC silicon solar cell comprising the steps: 03-14-2013
20130061921SOLAR CELL AND METHOD OF FABRICATION THEREOF - A solar cell and a method of fabricating solar cells. The method includes a step of separating neighbor solar cells formed on a semiconductor wafer by scribing the wafer to form scribe lines on the wafer and applying a force at, or adjacent to, the scribed lines to separate the solar cells. The scribing is effected on a cap layer covering a window layer of solar cells, thereby minimizing damage to the window layer and mitigating propagation of defects into p-n junctions formed in the solar cells.03-14-2013
20130061922DIFFUSION AGENT COMPOSITION, METHOD OF FORMING IMPURITY DIFFUSION LAYER, AND SOLAR CELL - A diffusion agent composition used in forming an impurity diffusion agent layer on a semiconductor substrate, and containing an impurity diffusion component, a silicon compound, and a solvent containing a solvent having a boiling point of 100° C. or less, a solvent having a boiling point of 120-180° C., and a solvent having a boiling point of 300° C.03-14-2013
20130061917PHOTOVOLTAIC DEVICES WITH METAL SEMICONDUCTOR ALLOY METALLIZATION - A photovoltaic device, such as a solar cell, having improved performance is provided. In one embodiment, the photovoltaic device includes a multimetal semiconductor alloy layer located on exposed portions of a front side surface of a semiconductor substrate. The multimetal semiconductor alloy layer includes at least a first elemental metal that forms an alloy with a semiconductor material, and a second elemental metal that differs from the first elemental metal and that does not form an alloy with a semiconductor material at the same temperature as the first elemental metal. The photovoltaic device further includes a copper-containing layer located atop the multimetal semiconductor alloy layer.03-14-2013
20130061920PHOTOVOLTAIC CELL WITH POROUS SEMICONDUCTOR REGIONS FOR ANCHORING CONTACT TERMINALS, ELECTROLITIC AND ETCHING MODULES, AND RELATED PRODUCTION LINE - A photovoltaic cell (03-14-2013
20130061919METHOD OF MANUFACTURING SOLAR CELL ELECTRODE - A method of manufacturing an n-type electrode comprising the steps of: preparing an N-type base semiconductor substrate, comprising an n-base layer, a p-type emitter on the n-base layer, a first passivation layer on the p-type emitter, and a second passivation layer on the n-base layer; applying a conductive paste onto the second passivation layer on the n-base layer, wherein the conductive paste comprises, (i) 100 parts by weight of a conductive powder, (ii) 0.1 to 10 parts by weight of an aluminum powder with particle diameter of 2 to 12 μm, (iii) 3.5 to 25 parts by weight of a glass frit, and (iv) an organic medium; and firing the conductive paste at temperature of 910° C. or lower.03-14-2013
20090266417DYE SENSITIZED SOLAR CELL - A photovoltaic device comprises an anode having a film of semi conductive particles deposited on a substrate, an electrolyte and a cathode. The anode comprises a single porous layer formed of a combination of two particle sizes of a metal oxide.10-29-2009
20120192940Electrical Connection and Junction Box for a Solar Cell Module and Method for Making an Electrical Connection Thereof - A solar assembly includes an electrical connection and junction box and a solar cell module. The junction box has an electrically conducting structure including an electrical conductor path. The solar cell module has an electrical conductive strip. A flexible electric conductor is connected with the conductor path and is materially bonded with the conductive strip in an electrically conducting manner such that the conductor path electrically contacts the conductive strip via the electric conductor.08-02-2012
20130160847SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell includes a solar cell substrate including a principal surface on which a p-type surface and an n-type surface are exposed, a p-side electrode formed on the p-type surface and including a first linear portion linearly extending in a first direction, and an n-side electrode formed on the n-type surface and including a second linear portion linearly extending in the first direction and arranged next to the first linear portion in a second direction orthogonal to the first direction. Corners of a tip end of at least one of the first and second linear portions are formed in a chamfered shape.06-27-2013
20130160844Thick-Film Composition Containing Antimony Oxides And Their Use In The Manufacture Of Semiconductor Devices - This invention provides a thick-film composition for printing the front-side of a solar cell device having one or more insulating layers. The composition comprises a bismuth oxide comprising glass frit and antimony oxide as part of the glass frit or an additive. The invention further refers to a process for preparing a semiconductor device by use of the thick-film composition and an article, especially a solar cell comprising the semiconductor device. The solar cells show improved efficiency.06-27-2013
20130160843ULTRA-LOW TEMPERATURE SINTERING OF DYE-SENSITESED SOLAR CELLS - This invention relates to the field of dye-sensitised solar cells and discloses a method for reducing the temperature necessary for sintering the metal oxide paste coating the electrode.06-27-2013
20130160842DYE SENSITIZED SOLAR CELL - A dye sensitized solar cell comprises a transparent conducting substrate, a dye layer, an electricity-collecting electrode, an insulating adhesive, and a metal foil. The transparent conducting substrate has a transparent substrate and a transparent conducting layer that is disposed on the transparent substrate. The dye layer is disposed on the transparent conducting layer. The electricity-collecting electrode is disposed on the transparent conducting layer and around the dye layer. The insulating adhesive is disposed around the dye layer and on the electricity-collecting electrode. The metal foil is disposed on the dye layer and the insulating adhesive.06-27-2013
20090235982PHOTOELECTRIC CONVERSION ELEMENT - A photoelectric conversion element includes: a first electrode having a porous oxide semiconductor layer which supports a sensitizing dye on a surface thereof and functioning as a photo electrode; a second electrode disposed so as to oppose the first electrode; an electrolyte disposed in at least a part of a space between the first electrode and the second electrode; and a sump portion for the electrolyte disposed in at least a part of the space between the first electrode and the second electrode. According to the present invention, air bubbles can be exhausted effectively from power generating area, so that a photoelectric conversion element possessing an improved power generation property and a long-term durability can be provided.09-24-2009
20090235980SOLAR CELL MANUFACTURING METHOD AND SOLAR CELL - An aspect of the invention provides a solar cell manufacturing method that comprises the steps of: forming a porous layer, having a plurality of pores, on a photoelectric conversion body configured to generate photo-generated carriers upon receipt of light; and forming an electrode by disposing a conductive material on the porous layer, the conductive material infiltrating the porous layer to thereby make contact with the photoelectric conversion body.09-24-2009
20090235979INTERCONNECT ASSEMBLY - An interconnect assembly. The interconnect assembly includes a trace that includes a plurality of electrically conductive portions. The plurality of electrically conductive portions is configured both to collect current from a first solar cell and to interconnect electrically to a second solar cell. In addition, the plurality of electrically conductive portions is configured such that solar-cell efficiency is substantially undiminished in an event that any one of the plurality of electrically conductive portions is conductively impaired.09-24-2009
20090301563SELF-CLEANING COATINGS APPLIED TO SOLAR THERMAL DEVICES - A solar device and a process for preparing a self-cleaning coating on the solar device is disclosed, the process comprises providing a coating composition, adding to the coating composition nanocrystals of a photoactive material, and applying the mixture of coating composition and photoactive material to a surface of a substrate at an elevated temperature, to deposit a self-cleaning coating on the surface of the substrate. The solar device comprises a solar energy conversion device, including a transparent substrate, and a self-cleaning coating adhered to a surface of the substrate.12-10-2009
20090025788ELECTRODE FOR PHOTOVOLTAIC CELLS, PHOTOVOLTAIC CELL AND PHOTOVOLTAIC MODULE - An electrode for contacting an electrically conductive surface of a photovoltaic element includes an electrically insulating optically transparent film, an adhesive layer provided on a planar surface of the film, and a plurality of substantially parallel, electrically conductive wires embedded into the adhesive layer. The plurality of wires lies over the planar surface of the film. A part of the surfaces of the wires protrude from the adhesive layer. At least the part of the surfaces protruding from the adhesive layer are covered by a coating consisting of an alloy having a low melting point to solder the wires to the electrically conductive surface and to a first terminal bar. The adhesive layer has a thickness less than the thickness of the wires embedded therein.01-29-2009
20090025784THERMAL SPRAY FOR SOLAR CONCENTRATOR FABRICATION - A system may include an optical element, a thermal-sprayed material disposed on the optical element, and a solar cell coupled to the optical element. Some aspects provide thermal spraying of a first material onto an optical element, and coupling of a solar cell to the optical element. Thermal spraying the first material may include spraying a molten metal powder onto the optical element.01-29-2009
20120227801HYDROLYSIS RESISTANT POLYESTER FILMS - A biaxially oriented polyester film including polyethylene terephthalate (PET) and at least one hydrolysis stabiliser selected from a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, wherein the hydrolysis stabiliser is present in the film in the form of its reaction product with at least some of the end-groups of the polyester; a process for making the same; and use of the film as a layer in a photovoltaic cell.09-13-2012
20090014064PHOTOVOLTAIC APPARATUS AND METHOD OF MANUFACTURING THE SAME - A photovoltaic apparatus includes a second groove so formed as to cut at least an intermediate layer, an insulating member so formed as to cover at least a cut portion of the intermediate layer in the second groove and extend along an upper surface of a second photoelectric conversion layer, and a third groove so formed as to pass through a first photoelectric conversion layer, the intermediate layer, the second photoelectric conversion layer and the insulating member on a region opposite to a first groove with respect to the second groove, wherein the insulating member is so formed as to extend up to at least a region opposite to the first groove with respect to the third groove.01-15-2009
20090014063METHOD FOR PRODUCTION OF A SINGLE-SIDED CONTACT SOLAR CELL AND SINGLE-SIDED CONTACT SOLAR CELL - A single-side contacted solar cell and method for production of a single-side contacted solar cell provide a direct arrangement of a contact grid on one side of an absorber layer. A free surface of the contact grid is coated with an electrically non-conducting insulation layer. An emitter layer is deposited on a whole surface such that the contact grid is arranged between the absorber layer and the emitter layer. The emitter layer is provided with a contact layer. For back face contact, the emitter layer is arranged on a back face of the absorber layer to avoid additional absorptive losses.01-15-2009
20090007963ELONGATED PHOTOVOLTAIC CELLS IN CASINGS WITH A FILLING LAYER - A solar cell unit comprising a cylindrical shaped solar cell and a transparent tubular casing is provided. The tubular shaped solar cell comprises a back-electrode, a semiconductor junction circumferentially disposed on the back-electrode and a transparent conductive layer disposed on the semiconductor junction. The transparent tubular casing is circumferentially sealed onto the transparent conductive layer of the cylindrical shaped solar cell. A solar cell unit comprising a cylindrical shaped solar cell, a filler layer, and a transparent tubular casing is provided. The cylindrical shaped solar cell comprises a cylindrical substrate, a back-electrode circumferentially disposed on the cylindrical substrate, a semiconductor junction circumferentially disposed on the back-electrode, and a transparent conductive layer disposed on the semiconductor junction. The filler layer is circumferentially disposed on the transparent conductive layer and the transparent tubular casing is circumferentially disposed onto the filler layer.01-08-2009
20120111405SOLAR CELL APPARATUS AND METHOD OF FABRICATING THE SAME - A solar cell apparatus and a method of fabricating the same are provided. The solar cell apparatus includes a substrate, a back electrode layer, a light absorption layer, and a front electrode layer. The back electrode layer is on the substrate. The light absorption layer is on the back electrode layer. The front electrode layer is on the light absorption layer. The back electrode layer is provided with recesses. Inner surfaces of the back electrode layer defining the recesses are inclined from a top surface of the substrate.05-10-2012
20120111404THERMOSETTING ELECTRODE PASTE FIREABLE AT A LOW TEMPERATURE - There is provided a thermosetting electrode paste sinterable at a low temperature. The electrode paste in accordance with the present invention has superior adhesion, high resolution, low contact resistance, superior storage stability and electrical resistivity so that it is widely applicable to the fields of radio frequency identification tags, printing circuit boards, solar cells, etc.05-10-2012
20120111403ORGANIC SOLAR CELL AND METHOD FOR PRODUCING THE SAME - Provided are an organic solar cell which includes an anode and a cathode that are arranged to face each other, a photoactive layer that is disposed between the anode and the cathode and contains a hole acceptor and an electron acceptor in mixture, and a metal oxide nano thin film layer that is disposed between the cathode and the photoactive layer and contains a metal oxide having an average particle size of 10 nm or less and having a particle size distribution such that 90% by number or more of the particles relative to the total number of the metal oxide particles has a particle size in the range of ±4 nm with respect to the average particle size, and a method for producing an organic solar cell.05-10-2012
20120111402SOLAR CELL AND SOLAR CELL PRODUCTION METHOD - A solar cell includes a semiconductor substrate, a rear side passivation layer arranged on a light-remote rear side surface of the substrate, a covering layer arranged on the rear side passivation layer, and a metallization layer arranged on the covering layer. The covering layer has a protective layer section facing the rear side passivation layer and a contact layer section facing the metallization layers. The contact layer section has a higher refractive index than the protective layer section05-10-2012
20120111400OPTICAL COATING - An optical coating, comprising porous particles, or formed from porous precursor particles. The average thickness of the coating is in the range of from 75 to 400 nm, and the surface roughness of the coating is in the range of from 2 to 300 nm. This coating provides broadband antireflective properties across the visible and near infrared part of the electromagnetic spectrum.05-10-2012
20120111399SOLAR CELL ELECTRODE - A method for forming a solar cell electrode, comprising the steps of: applying a conductive paste comprising an organic binder and inorganic components comprising conductive powder and glass frit onto a passivation layer with at least 200 nm thickness formed on one surface or on both front and back surfaces of a silicon substrate, wherein the softening point of the glass frit is 395° C. or lower; and firing the conductive paste applied onto the passivation layer.05-10-2012
20120067412SOLDER BONDING ENTITIES TO SOLID MATERIAL - Methods and apparatus are provided for solder bonding entities to solid materials. One or more through apertures are formed in a solid material. Solder paste is introduced into each through aperture. Respective entities having solderable surface features are disposed in overlying alignment with the through apertures. The arrangement is heated causing molten solder paste to wet the solderable surface features and the solid material. Cooling results in the electrical and mechanical bonding of the entities to the solid material. Devices having substantially planar form factors and without lead wires can be electrically and mechanically secured to a supporting conductive stratum.03-22-2012
20130160840SOLAR CELL - A solar cell according to an embodiment includes a semiconductor substrate; an emitter layer formed on at least one of a front surface and a back surface of the semiconductor substrate; a back surface field layer formed on the back surface of the semiconductor substrate; a first electrode formed on the emitter layer; and a second electrode formed on the back surface field layer. The back surface field layer includes a first portion formed at a portion where the second electrode is not formed and having a first resistance, and a second portion in contact with the second electrode and having a second resistance lower than the first resistance. The second electrode includes a plurality of finger electrodes that are parallel to each other and are spaced apart with distances of about 0.1 to about 1 mm, and have widths of about 50 μm to about 70 μm.06-27-2013
20130160846PHOTOVOLTAIC DEVICE - A photovoltaic device is provided which comprises: a transparent substrate; a front-side electrode layer formed over the substrate and comprising a transparent conductive film; a photovoltaic unit formed over the front-side electrode layer; and a backside electrode layer formed over the photovoltaic unit and comprising a transparent conductive film. The backside electrode layer has a structure in which a contact region joined with the photovoltaic unit, a light scattering region having a lower dopant concentration than the contact region, and a conductive region having a higher density than the light scattering region, are layered.06-27-2013
20080308150HOT EMBOSSING OF CONDUCTOR TRACKS ON A PHOTOVOLTAIC SILICON WAFER - There is described a process for the production of conductor tracks (12-18-2008
20080308148Photovoltaic Devices With Conductive Barrier Layers and Foil Substrates - Methods and devices are provided for absorber layers formed on foil substrate. In one embodiment, a method of manufacturing photovoltaic devices may be comprised of providing a substrate comprising of at least one electrically conductive aluminum foil substrate, at least one electrically conductive diffusion barrier layer, and at least one electrically conductive electrode layer above the diffusion barrier layer. The diffusion barrier layer may prevent chemical interaction between the aluminum foil substrate and the electrode layer. An absorber layer may be formed on the substrate. In one embodiment, the absorber layer may be a non-silicon absorber layer. In another embodiment, the absorber layer may be an amorphous silicon (doped or undoped) absorber layer. Optionally, the absorber layer may be based on organic and/or inorganic materials.12-18-2008
20080308147Rear electrode structure for use in photovoltaic device such as CIGS/CIS photovoltaic device and method of making same - A photovoltaic device including a rear electrode which may also function as a rear reflector. In certain example embodiments of this invention, the rear electrode includes a metallic based reflective film that is oxidation graded, so as to be more oxided closer to a rear substrate (e.g., glass substrate) supporting the electrode than at a location further from the rear substrate. In other words, the rear electrode is oxidation graded so as to be less oxided closer to a semiconductor absorber of the photovoltaic device than at a location further from the semiconductor absorber in certain example embodiments. In certain example embodiments, the interior surface of the rear substrate may optionally be textured so that the rear electrode deposited thereon is also textured so as to provide desirable electrical and reflective characteristics. In certain example embodiments, the rear electrode may be of or include Mo and/or MoO12-18-2008
20120234385DYE-SENSITIZED SOLAR CELL - A dye-sensitized solar cell having a transparent conductive film at the inner surface of a tube-shaped transparent glass vessel, a semiconductor film photoelectrode to which a dye has been adsorbed formed on this transparent conductive film, and a counter electrode provided in the tube-shaped vessel spaced from this photoelectrode and an electrolytic solution enclosed in the tube-shaped vessel. Both ends of the tube-shaped vessel are tightly sealed by formation of sealing portions melting and compress the glass of the vessel; the transparent conductive film extends into the sealing portion at one end of the tube and an external lead is connected electrically to said transparent conductive film and is led out from the sealing portion to the outside of the tube-shaped vessel; and a lead connected electrically to the counter electrode is led out from the sealing portion at the other end to the outside of the tube-shaped vessel.09-20-2012
20120234384CONDUCTIVE METAL PASTE FOR A METAL-WRAP-THROUGH SILICON SOLAR CELL - A conductive metal via paste comprising particulate conductive metal, a reactant that reacts at temperatures of 600° C. to 900° C. with at least one of the group consisting of Si, SiO09-20-2012
20120234383CONDUCTIVE METAL PASTE FOR A METAL-WRAP-THROUGH SILICON SOLAR CELL - A conductive metal via paste comprising particulate conductive metal, phosphorus-containing material, glass frit, and an organic vehicle. is particularly useful in providing the metallization of the holes in the silicon wafers of MWT solar cells. The result is a metallic electrically conductive via between the collector lines on the front side and the emitter electrode on the back-side of the solar cell. The paste can also be used to form the collector lines on the front-side of the solar cell and the emitter electrode on the back-side of the solar cell. Also disclosed are metal-wrap-through silicon solar cells comprising the fired conductive metal paste.09-20-2012
20080295886ZNO WHISKER FILMS AND METHOD OF MANUFACTURING SAME - The present invention is a ZnO whisker film, a manufacturing method thereof and an electronic device material composed of such a ZnO whisker film, the film is composed of primarily (at least 50 mol %) of ZnO crystals, and of accumulated whisker-like particles having an aspect ratio of 2 or more, and the film has a nanostructure with both a high specific surface area and a high electrical conductivity, the film can be manufactured by adjusting one or more solution condition selected from starting material concentration, temperature and pH so as to induce the deposition of ZnO crystals, in a reaction solution system for depositing zinc oxide, and forming thereby a ZnO whisker film on a substrate.12-04-2008
20130160830THICK-FILM CONDUCTIVE PASTE COMPOSITION - A conductive thick-film paste composition is useful in forming conductive structures on the front side of a solar cell or other like device. The paste composition has a source of electrically conductive metal, such as silver powder, one or more glass components, and an optional zinc-containing additive, which are dispersed in an organic medium containing a surfactant.06-27-2013
20130160831Reactive Sputtering of ZnS(O,H) and InS(O,H) for Use as a Buffer Layer - A method of manufacturing a solar cell including providing a substrate, depositing a first electrode over the substrate and depositing at least one p-type semiconductor absorber layer over the first electrode. The p-type semiconductor absorber layer comprises a copper indium selenide (CIS) based alloy material. The method also includes depositing by reactive sputtering an n-type In-VI semiconductor layer over the at least one p-type semiconductor absorber layer and depositing a second electrode over the n-type In-VI semiconductor layer.06-27-2013
20130160832MARKING OF A SUBSTRATE OF A SOLAR CELL - The present invention relates to a solar-cell-marking method. The method comprises providing a substrate for a solar cell, forming an etching mask on the substrate, and carrying out an etching process, wherein an elevated marking structure defined by the etching mask is formed on the substrate. The invention further relates to a solar cell comprising such a marking structure.06-27-2013
20130160833LASER CONTACT PROCESSES, LASER SYSTEM, AND SOLAR CELL STRUCTURES FOR FABRICATING SOLAR CELLS WITH SILICON NANOPARTICLES - A laser contact process is employed to form contact holes to emitters of a solar cell. Doped silicon nanoparticles are formed over a substrate of the solar cell. The surface of individual or clusters of silicon nanoparticles is coated with a nanoparticle passivation film. Contact holes to emitters of the solar cell are formed by impinging a laser beam on the passivated silicon nanoparticles. For example, the laser contact process may be a laser ablation process. In that case, the emitters may be formed by diffusing dopants from the silicon nanoparticles prior to forming the contact holes to the emitters. As another example, the laser contact process may be a laser melting process whereby portions of the silicon nanoparticles are melted to form the emitters and contact holes to the emitters.06-27-2013
20130160834BACK-SIDE ELECTRODE OF P-TYPE SOLAR CELL, AND METHOD FOR FORMING THE SAME - The invention relates to a back-side electrode adjacently formed on silicon layer of p-type solar cell, comprises a conductive component comprising, before firing, (a) aluminum powder, (b) organic medium and (c) metal-containing component selected from the group consisting of (i) metal selected from the group consisting of Titanium(Ti), Manganese(Mn) and Cerium (Ce), and (ii) carbide, oxide, nitride, boride, carbonate, hydroxide and resinate of (i) metal.06-27-2013
20130160835BACK-SIDE ELECTRODE OF P-TYPE SOLAR CELL AND METHOD FOR FORMING THE SAME - The invention relates to a back-side electrode adjacently formed on silicon layer of p-type solar cell comprises a conductive component comprising (a) aluminum powder, (b) organic medium and (c) metal-containing component selected from the group consisting of (i) metal selected from the group consisting of Bismuth (Bi), Molybdenum (Mo), Strontium (Sr) and Stibium (Sb), and (ii) carbide, oxide, nitride, boride, carbonate, hydroxide and resinate of (i) metal, and (iii) Copper (Cu).06-27-2013
20130160836SOLAR CELL ELECTRODE, AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a solar cell electrode, comprising the steps of: (a) applying a conductive paste for bus electrode to a wafer in order to form a bus electrode pattern; (b) depositing onto the wafer a photocurable conductive paste for finger electrode from a discharge slot of a dispenser nozzle to thereby form an uncured finger electrode pattern on the wafer, wherein the nozzle moves parallel to the wafer; and (c) curing the uncured finger electrode pattern by exposing the uncured finger electrode pattern to UV light either after forming the uncured finger electrode pattern on the wafer in the step (b), or concurrent with the step (b).06-27-2013
20130160837Photoelectrode and Method for Preparing the Same - The present invention relates to an photoelectrode and the preparation method thereof, wherein said photoelectrode comprises a substrate and a titania layer composed of a mesoporous titania bead having a diameter of 200-1000 nm, specific surface area of 50-100 m06-27-2013
20130160838Solar Cell - The present invention relates to a solar cell comprising an anode, a cathode, and an electrolyte, wherein said anode comprises a substrate and a titania layer composed of a mesoporous titania bead having a diameter of 200-1000 nm, specific surface area of 50-100 m06-27-2013
20130160839SOLAR CELL - A solar cell is discussed. The solar cell includes a substrate of a first conductive type, an emitter region which is positioned at a front surface of the substrate and has a second conductive type different from the first conductive type, a front passivation region including a plurality of layers which are sequentially positioned on the emitter region, a back passivation region which is positioned on a back surface opposite the front surface of the substrate and includes three layers, a plurality of front electrodes which pass through the front passivation region and are connected to the emitter region, and at least one back electrode which passes through the back passivation region and is connected to the substrate.06-27-2013
20130160841ADHESIVE COMPOSITION, FILM-LIKE ADHESIVE AND CIRCUIT CONNECTING MATERIAL USING THE SAME, CONNECTING STRUCTURE OF CIRCUIT MEMBER AND MANUFACTURING METHOD THEREOF - Provided is an adhesive composition containing an organoaluminum complex (A), a silane coupling agent (B), and a curable component (C).06-27-2013
20130160845GLASS SUBSTRATE FOR CU-IN-GA-SE SOLAR CELL AND SOLAR CELL USING SAME - A glass substrate for a CIGS solar cell, having high cell efficiency and high glass transition temperature is provided. The glass substrate for a vapor-deposited CIGS film solar cell has a glass transition temperature of at least 580° C. and an average thermal expansion coefficient of from 70×1006-27-2013
20130160848PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device is provided with a substrate (06-27-2013
20130133738FIRING FURNACE FOR FIRING ELECTRODE OF SOLAR CELL ELEMENT, METHOD FOR MANUFACTURING SOLAR CELL ELEMENT, AND SOLAR CELL ELEMENT - Disclosed is a firing furnace for firing an electrode of a solar cell element, which is provided with: a transfer member, which transfers a substrate having a conductive paste applied thereto; a heating section, which heats the substrate and fires the conductive paste; and a cooling section, which cools the heated substrate. The furnace is also provided with a heating means for heating the transfer member. Specifically, at the time of firing the electrode paste using the wire-type firing furnace, since a wire is fired at a temperature substantially equivalent to the ambient temperature of the heating section, deterioration of yield due to having the electrode damaged by a deposited material of the metal component of the conductive paste is suppressed, said deposited material being deposited on the wire, and the wire-type firing furnace can be continuously used.05-30-2013
20090272434THIN-FILM SOLAR CELL AND METHOD OF FABRICATING THIN-FILM SOLAR CELL - A thin-film solar cell (11-05-2009
20090126788SOLAR CELL AND SOLAR CELL MODULE INCLUDING THE SAME - Provided is a solar cell in which a linear n finger electrode and a linear p finger electrode are alternately arranged on a projection plane parallel to a main surface of a substrate, and which is arranged in a predetermined arrangement direction, including an n-side bus bar electrode connected to the n finger electrode and insulated from the p finger electrode and a p-side bus bar electrode connected to the p finger electrode and insulated from the n finger electrode. The n-side bus bar electrode and the p-side bus bar electrode are provided on a same main surface side of the substrate, intersect with the n finger electrode and the p finger electrode respectively on the projection plane, and have a slope angle relative to the predetermined arrangement direction.05-21-2009
20090114278DYE-SENSITIZED SOLAR CELL AND FABRICATION METHOD THEREOF - A dye-sensitized solar cell and a fabrication method thereof are disclosed. A method for fabricating a dye-sensitized solar cell, includes forming a sacrifice layer comprising colloidal particles on a transparent conductive substrate, supplying a photoelectrode material comprising transition metal oxide nano particles onto the sacrifice layer, thereby filling the transition metal oxide nano particles between the colloidal particles, removing the sacrifice layer by thermal treatment to prepare a photoelectrode having an inverse opal structure, and adsorbing dye molecules onto the photoelectrode.05-07-2009
20100071763NOBLE RUTHENIUM-TYPE SENSITIZER AND METHOD OF PREPARING THE SAME - The present invention relates to a ruthenium-type dye and a making method thereof, and more particularly, to a ruthenium-type dye which is used to manufacture a dye-sensitized solar cell, drastically improves a molar extinction coefficient to enhance efficiency of a solar cell with only a small amount of a dye and oxide semiconductor particles, allows a thin film solar cell element to be manufactured without difficulty and sharply reduces manufacturing costs of a solar cell, and a making method thereof.03-25-2010
20110114167GEL ELECTROLYTE COMPOSITION, METHOD OF FABRICATING THEREOF AND DYE-SENSITIZED SOLAR CELL USING THE SAME - A gel electrolyte composition is provided. The composition of the gel electrolyte includes an unsubstituted or substituted pyridine, a metal salt, a halogen molecule, an unsubstituted or substituted nicotinic acid and a solvent. The composition may be free from or substantially free from one or more of a polymer and a low molecular gelling agent. Also provided is a dye-sensitized solar cell containing the composition as well as a method for preparing the composition.05-19-2011
20120138142LEAD FREE SOLAR CELL CONTACTS - Formulations and methods of making solar cells are disclosed. In general, the invention presents a solar cell contact made from a mixture wherein the mixture comprises a solids portion and an organics portion, wherein the solids portion comprises from about 85 to about 99 wt % of a metal component, and from about 1 to about 15 wt % of a lead-free glass component. Both front contacts and back contacts arc disclosed.06-07-2012
20090120497METHOD OF METALLIZING SOLAR CELL CONDUCTORS BY ELECTROPLATING WITH MINIMAL ATTACK ON UNDERLYING MATERIALS OF CONSTRUCTION - The invention relates to a metallized solar cell and the method of making thereof that includes depositing a metal or metals such as silver, nickel, copper, tin, indium, gallium, or selenium or their alloys on solar cells in a manner to form more substantial and robust electrical contacts that can carry current more efficiently and effectively or to provide the active layers required to convert sunlight into electricity. These deposits also protect the underlying metallic materials from corrosion, oxidation or other environmental changes that would deleteriously affect the electrical performance of the cell. The invention also relates to the use of specialized electroplating chemistries that minimize residual stress and/or are free of organic sulfonic acids to minimize chemical attack on solar cell substrates or prior metallizations that include organic and/or inorganic binders or related materials for depositing the initial metallic portions of the cell.05-14-2009
20110259415BACKSHEET FOR A PHOTOVOLTAIC MODULE - Disclosed herein is a backsheet for a photovoltaic module. The backsheet includes a nanocomposite layer, a first polymeric layer and a second polymeric layer. The nanocomposite layer includes a polymeric matrix and a plurality of silicate nanoparticles dispersed therein. The polymeric matrix includes at least one polymer selected from the group consisting of polyester, polyimide, polyethylene terephthalate and nylon. The silicate nanoparticles are made from a silicate clay selected from the group consisting of montmorillonite, sepiolite, fluoromica and vermiculite. The silicate clay is present at a concentration of about 0.5-20% by weight of the nanocomposite layer. The nanocomposite layer is disposed between the first polymeric layer and the second polymeric layer.10-27-2011
20120097235PHOTOELECTRIC CONVERSION DEVICE AND METHOD FOR MAKING THE SAME - The present disclosure relates to a method for making a conjugated polymer. In the method, polyacrylonitrile, a solvent, and a catalyst are provided. The polyacrylonitrile is dissolved in the solvent to form a polyacrylonitrile solution. The catalyst is uniformly dispersed into the polyacrylonitrile solution. The polyacrylonitrile solution with the catalyst is heated to induce a cyclizing reaction of the polyacrylonitrile, thereby forming a conjugated polymer solution with the conjugated polymer dissolved therein.04-26-2012
20110000534Elongated photovoltaic cells in casings with a filling layer - A solar cell unit comprising a cylindrical shaped solar cell and a transparent tubular casing is provided. The tubular shaped solar cell comprises a back-electrode, a semiconductor junction circumferentially disposed on the back-electrode and a transparent conductive layer disposed on the semiconductor junction. The transparent tubular casing is circumferentially sealed onto the transparent conductive layer of the cylindrical shaped solar cell. A solar cell unit comprising a cylindrical shaped solar cell, a filler layer, and a transparent tubular casing is provided. The cylindrical shaped solar cell comprises a cylindrical substrate, a back-electrode circumferentially disposed on the cylindrical substrate, a semiconductor junction circumferentially disposed on the back-electrode, and a transparent conductive layer disposed on the semiconductor junction. The filler layer is circumferentially disposed on the transparent conductive layer and the transparent tubular casing is circumferentially disposed onto the filler layer.01-06-2011
20110277835SOLAR CELL WITH SPLIT GRIDLINE PATTERN - A solar cell with an electrical gridline pattern that includes a lower density of gridlines in a central portion of a light-input surface of the solar cell, and a higher density of gridlines adjacent the busbars of the solar cells.11-17-2011
20110277836COLUMN STRUCTURE THIN FILM MATERIAL USING METAL OXIDE BEARING SEMICONDUCTOR MATERIAL FOR SOLAR CELL DEVICES - A thin film material structure for solar cell devices. The thin film material structure includes a thickness of material comprises a plurality of single crystal structures. In a specific embodiment, each of the single crystal structure is configured in a column like shape. The column like shape has a dimension of about 0.01 micron to about 10 microns characterizes a first end and a second end. An optical absorption coefficient of greater than 1011-17-2011
20110277837BULK CHLORIDE SPECIES TREATMENT OF THIN FILM PHOTOVOLTAIC CELL AND MANUFACTURING METHOD - A method for forming a thin film photovoltaic device. The method includes providing a transparent substrate comprising a surface region. A first electrode layer is formed overlying the surface region. A copper layer is formed overlying the first electrode layer and an indium layer is formed overlying the copper layer to form a multi-layered structure. The method subjects at least the multi-layered structure to a thermal treatment process in an environment containing a sulfur bearing species to form a bulk copper indium disulfide material. The bulk copper indium disulfide material comprises one or more portions of copper indium disulfide material and a copper poor surface region characterized by a copper-to-indium atomic ratio of less than about 0.95:1. The method subjects the copper poor surface and one or more portions of the bulk copper indium disulfide material to a chlorine species to convert the copper poor surface from an n-type characteristic to a p-type characteristic and to convert any of the one or more portions of the bulk copper indium disulfide material having the copper-to-indium atomic ratio of less than about 0.95:1 from a n-type characteristic to an p-type characteristic. A window layer is formed overlying the copper indium disulfide material.11-17-2011
20110277833BACKSIDE CONTACT SOLAR CELL - Variations of interdigitated backside contact (IBC) solar cells having patterned areas formed using nano imprint lithography are described.11-17-2011
20110277834POLYMER SHEET FOR SOLAR CELL BACKSHEET AND SOLAR CELL MODULE - The present invention provides a polymer sheet for a solar cell backsheet, which has high light reflectance, and adequate adhesion and adhesion durability, and which includes at least a support and polymer layers on both surfaces of the support, the polymer layers including white inorganic fine particles and a binder, a content of the white inorganic fine particles being in a range of from 4 g/m11-17-2011
20110277831PASTE COMPOSITION FOR ELECTRODE AND PHOTOVOLTAIC CELL - The paste composition for an electrode are constituted with copper-containing particles having a peak temperature of an exothermic peak showing a maximum area in the simultaneous ThermoGravimetry/Differential Thermal Analysis of 280° C. or higher, glass particles, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for a photovoltaic cell electrode.11-17-2011
20110277832METHOD FOR PRODUCTION OF TITANIUM DIOXIDE COMPOSITE AND PHOTOELECTRIC CONVERSION DEVICE INCORPORATED WITH THE SAME - Disclosed herein is a method for production of a titanium dioxide composite, the method including a step of preparing titanium dioxide nanowires, a step of dipping the titanium dioxide nanowires in a solution containing titanium oxysulfate and urea, thereby forming titanium dioxide fine particles on the surface of the titanium dioxide nanowires, and a step of recovering the titanium dioxide nanowires having the titanium dioxide fine particles formed on the surface thereof.11-17-2011
20090217975Glassless Solar Power Module Comprising at Least One Flexible Thin-Film Solar Cell and Method for Producing the Same - The invention relates to thin-film solar power modules. The problem associated with known thin-film solar power modules is that the barrier effect of the front film does not prevent moisture from permeating the space between the solar cell and the cover film when exposed to moisture over a longer period of time. In order to solve this problem, the solar module comprises, starting from the solar cell (09-03-2009
20090165845BACK CONTACT MODULE FOR SOLAR CELL - A back contact module for a solar cell is provided. The back contact module includes a transparent conductive layer, a plurality of nano-sized scatters in the transparent conductive layer, and a metal layer on the transparent conductive layer.07-02-2009
20100139758PHOTOVOLTAIC CELL STRUCTURE AND MANUFACTURING METHOD THEREOF - A photovoltaic cell structure includes a substrate, a metal layer, a p-type semiconductor layer, an n-type semiconductor layer and a transparent conductive layer. The substrate has a rough surface. The metal layer may include molybdenum and be formed on the rough surface. The p-type semiconductor layer is formed on the metal layer and may include CIGSS, CIGS, CIS, or compound of two or more of copper, selenium, sulfur. The n-type semiconductor layer is formed on the p-type semiconductor layer thereby forming a rough p-n junction surface. The n-type semiconductor layer may include CdS. The transparent conductive layer is formed on the n-type semiconductor layer. In an embodiment, the roughness Ra of the rough surface is between 0.01 to 100 μm.06-10-2010
20090308443Apparatus and system for a single element solar cell - A device for receiving and converting incident radiation into DC current, the device including a transparent conductor, at least one point-contact diode, the at least one point-contact diode having a nanowire/mCNT providing a receiving antenna function and a rectification function, a thin insulating layer situated between the transparent conductor and the nanowire/mCNT, and a point contact junction at which the nanowire/mCNT contacts the thin insulating layer.12-17-2009
20090188559ULTRAVIOLET CURED COATING SYSTEM - The present invention is directed to ultraviolet cured coating compositions. More specifically, the present invention is directed to urethane/acrylic coating compositions that contain additives for the absorption of ultraviolet radiation and the reflection of infrared radiation and which are UV cured.07-30-2009
20120186649SELECTIVE TRANSFORMATION IN FUNCTIONAL FILMS, AND SOLAR CELL APPLICATIONS THEREOF - A solar cell formation method, and resulting structure, having a first film and a barrier film over a surface of a doped semiconductor, wherein the optical and/or electrical properties of the first film are transformed in-situ such that a resulting transformed film is better suited to the efficient functioning of the solar cell; wherein portions of the barrier film partially cover the first film and substantially prevent transformation of first film areas beneath the portions of the barrier film.07-26-2012
20120186650SURFACE-MODIFIED FILM, PROCESS FOR PRODUCING SAME, AND LAMINATED FILM AND PROCESS FOR PRODUCING SAME - It is an object of the present invention to provide a surface-modified film which has adhesive properties improved by surface modification and a process for producing the same. It is also an object of the present invention to provide a laminated film in which at least the surface-modified film has been laminated and a process for producing the laminated film. The surface-modified film according to the present invention is characterized by being obtained by bringing a halide complex of an element in Group 13 of the periodic table into contact with at least a part of a region in the surfaces of a resin film.07-26-2012
20120186648COAXIAL MOLECULAR STACK FOR TRANSFERRING PHOTOCURRENT GENERATION - A photovoltaic device (07-26-2012
20120186647Organometallic And Hydrocarbon Additives For Use With Aluminum Back Solar Cell Contacts - A method of reducing bow and/or improving the electrical performance of an aluminum back contacted silicon solar cell includes applying to a silicon wafer substrate a paste including aluminum and an organometallic compound, and firing the substrate. The organometallic compound is a C07-26-2012
20130042913SHIELDED ELECTRICAL CONTACT AND DOPING THROUGH A PASSIVATING DIELECTRIC LAYER IN A HIGH-EFFICIENCY CRYSTALLINE SOLAR CELL, INCLUDING STRUCTURE AND METHODS OF MANUFACTURE - Solar cell structures and formation methods which utilize the surface texture in conjunction with a passivating dielectric layer to provide a practical and controllable technique of forming an electrical contact between a conducting layer and underlying substrate through the passivating dielectric layer, achieving both good surface passivation and electrical contact with low recombination losses, as required for high efficiency solar cells. The passivating dielectric layer is intentionally modified to allow direct contact, or tunnel barrier contact, with the substrate. Additional P-N junctions, and dopant gradients, are disclosed to further limit losses and increase efficiency.02-21-2013
20100252104Solar Cell With High Aspect Ratio Gridlines Supported Between Co-Extruded Support Structures - A solar cell structure formed by extruding/dispensing materials on a substrate such that centrally disposed conductive high aspect ratio line structures (gridlines) are formed on the substrate surface with localized support structures coincidentally disposed on opposing side surfaces of the gridlines such that the gridlines are surrounded or otherwise supported by the localized support structures. In one embodiment the localized support structures are transparent, remain on the substrate after the co-extrusion process, and are covered by a layer of material. In another embodiment, the localized support structures are sacrificial support structures that are removed as part of the solar cell structure manufacturing process. In both cases the co-extrusion process is performed such that both the central gridline and the localized support structures are in direct contact with the surface of the substrate.10-07-2010
20110108106Dye-sensitized solar cell electrode and dye-sensitized solar cell - A dye-sensitized solar cell electrode includes a substrate; a conductive layer formed on one side surface of the substrate and is surrounded by a sealing layer for sealing in an electrolyte; a current collecting layer formed on the other side surface of the substrate; and a conductive portion that allows electrical conduction between the conductive layer and the current collecting layer in the thickness direction of the substrate.05-12-2011
20120097233PHOTOVOLTAIC DEVICE - A photovoltaic device is disclosed. The photovoltaic device includes a substrate, an anode, a cathode, two semiconducting layers, and an electron transporting layer. The first semiconducting layer comprises a first metallophthalocyanine. The second semiconducting layer includes a blend of a second metallophthalocyanine with an electron acceptor. The second semiconducting layer is located between the first semiconducting layer and the electron transporting layer. The first and second metallophthalocyanines have different valences. The complementary absorption profiles of these layers result in a device having greater absorption and efficiency than expected, without the need for a recombination layer or the need to match current between layers.04-26-2012
20110297224SOLAR BATTERY CELL - A solar battery cell that comprises a plurality of grid electrodes and light-receiving-surface lead connection electrodes on a light receiving surface of a semiconductor substrate, and comprises a plurality of back-surface lead connection electrodes that are connected to back-surface lead wires, formed on the second straight lines that are substantially opposite to the first straight lines while sandwiching the semiconductor substrate together with the first straight lines, on a back surface of the semiconductor substrate, wherein an edge portion of each of the light-receiving-surface lead connection electrodes is not overlapped with an edge portion of each of the back-surface lead connection electrodes in a width direction.12-08-2011
20090101202METHOD OF FAST HYDROGEN PASSIVATION TO SOLAR CELLS MADE OF CRYSTALLINE SILICON - A method of improving efficiency of solar cells made of crystalline silicon, including monocrystalline silicon, multicrystalline silicon and polycrystalline silicon is provided. In the method, a negative bias pulse is applied to solar cells at a predetermined voltage, a predetermined frequency, and a predetermined pulse width while immersing the solar cells in a hydrogen plasma. Hydrogen ions are attracted and quickly implanted into the solar cells. Thus, the passivation of crystal defects in the solar cells can be realized in a short period. Meanwhile, the properties of an antireflection layer cannot be damaged as proper operating parameters are used. Consequently, the serious resistance of the solar cells can be significantly reduced and the filling factor increases as a result. Further, the short-circuit current and the open-circuit voltage can be increased. Therefore, the efficiency can be enhanced.04-23-2009
20110272020SOLAR CELL AND METHOD FOR PRODUCING A SOLAR CELL FROM A SILICON SUBSTRATE - A method for producing a solar cell from a silicon wafer, including the following process steps: A) texturizing one side of the silicon substrate (11-10-2011
20110132453ORGANIC PHOTOELECTRIC CONVERSION ELEMENT AND PRODUCTION METHOD THEREOF - Disclosed is an organic photoelectric conversion element that comprises a cathode; an anode, which is formed on a substrate by an application method; and an active layer, which is disposed between the anode and the cathode; wherein the anode contains polyaniline, a polyaniline derivative or a mixture of a polyaniline and a polyaniline derivative.06-09-2011
20110284071MULTILAYER BODY - The present invention provides a layered product which has excellent sunlight reflection performance, and can obtain high conversion efficiency when used as back sheets for solar cells, and also has excellent infrared light reflection performance, and low heat storage. The layered product comprises: a layer (A) comprising 0.1-40 parts by mass of titanium oxide particles per 100 parts by mass of a thermoplastic resin in which the titanium oxide particles have a volume average particle diameter of 0.01 μm-0.35 μm and include particles having a particle diameter of 0.5 μm or more in an amount of less than 10 mass %; and a layer (B) comprising 0.1-40 parts by mass of titanium oxide particles per 100 parts by mass of a thermoplastic resin in which the titanium oxide particles have a volume average particle diameter of 0.5 μm-2 μm and include particles having a particle diameter of 0.35 μm or less in an amount of less than 10 mass %. The titanium oxide is preferably of a rutile form. The thermoplastic resin of the layer (A) and/or layer (B) preferably comprises an aromatic vinyl resin, a polyester resin or a polyolefin resin. The layer (A) may be layered on the layer (B) directly or via another layer (C). The layer (A) may be arranged on both sides of the layer (B), or the layer (B) may be arranged on both sides of the layer (A).11-24-2011
20100024876Photon trapping solar cell - A nano structure CdTe/CdS Photon Trapping Solar Cell (PTSC) comprising an ultra thin film stack construction of 2 layers, one each of Cadmium Sulfide and Cadmium Telluride, and wherein the bottom electrode is a reflecting sheet or plate that serves to reflect Photons unabsorbed by their pass through the material back through the layers of Cadmium Telluride and Cadmium Sulfide. The bottom metallic plate also serves as an electron conductor for allowing the photoelectric current to exit the device and perform useful work. The cell has a maximum efficiency of 40%.02-04-2010
20110290314LIGHT SCATTERING ARTICLES USING HEMISPHERICAL PARTICLES - Light scattering articles comprising inorganic substrates having textured surfaces utilize hemispherical inorganic particles having average diameters of 300 nm or less. The articles have an enhanced absorption at wavelengths in the range of from 400 nm to 600 nm and can be used in photovoltaic devices.12-01-2011
20100252096SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell in which an n-type fine silicon particle film is formed in a lamination layer on the surface of a transparent substrate via a transparent electrode, and the n-type fine silicon particle film is covalently bound to the transparent electrode via the first organic coating formed on the surface of the transparent electrode and the second organic coating formed on the surface of the n-type fine silicon particle film and the n-type fine silicon particle film is covalently bound to the p-type fine silicon particle film via the second organic coating formed on the surface of the n-type fine silicon particle film and the third organic coating formed on the surface of the p-type fine silicon particle film.10-07-2010
20110272022ELECTRODE FOR A SOLAR CELL, MANUFACTURING METHOD THEREOF, AND SOLAR CELL - There is provided an electrode for a solar cell, in which the electrode is printed using a polymer binder with a low Tg (hereinafter, referred to as a low Tg polymer binder) to improve a contact property between a substrate such as silicon wafer, or the like, and a conductive electrode material, and subsequently, using a polymer binder with a high Tg (hereinafter, referred to as a high Tg polymer binder) to improve the aspect ratio. The printed electrode is fired, thereby obtaining the electrode with a high aspect ratio, an improved contact property between the substrate and the conductive electrode material, and an enhanced cell efficiency. There is also provided a manufacturing method thereof and a solar cell.11-10-2011
20110272021METHOD FOR MANUFACTURING SOLAR CELL, AND SOLAR CELL - A manufacturing method of a solar cell including a transparent conductive film formed on a transparent substrate includes the steps of: preparing a target, the target including ZnO and a material including a substance including an Al or a Ga, the ZnO being a primary component of the target; in a first atmosphere including a process gas, applying a sputter electric voltage to the target and forming a first layer included in the transparent conductive film; in a second atmosphere including a greater amount of an oxygen gas compared to the first atmosphere, applying a sputter electric voltage to the target and forming a second layer on the first layer, the second layer being included in the transparent conductive film; and forming an irregular shape by performing an etching process on the transparent conductive film.11-10-2011
20110284068PASSIVATION METHODS AND APPARATUS FOR ACHIEVING ULTRA-LOW SURFACE RECOMBINATION VELOCITIES FOR HIGH-EFFICIENCY SOLAR CELLS - The disclosed subject matter provides a method and structure for obtaining ultra-low surface recombination velocities from highly efficient surface passivation in crystalline silicon substrate-based solar cells by utilizing a bi-layer passivation scheme which also works as an efficient ARC. The bi-layer passivation consists of a first thin layer of wet chemical oxide or a thin hydrogenated amorphous silicon layer. A second layer of amorphous hydrogenated silicon nitride film is deposited on top of the wet chemical oxide or amorphous silicon film. This deposition is then followed by annealing to further enhance the surface passivation.11-24-2011
20110284067PASTE AND SOLAR CELL USING THE SAME - A solar cell is discussed. The solar cell includes a base substrate containing first impurities of a first conductive type and having a textured surface, an emitter layer that is positioned at the textured surface of the base substrate and contains second impurities of a second conductive type different from the first conductive type, and a front electrode electrically connected to the emitter layer. The front electrode collects carriers generated in the base substrate or the emitter layer. At least a portion of the front electrode transmits incident light from the outside.11-24-2011
20110272019PASTE COMPOSITION AND SOLAR CELL ELEMENT USING THE SAME - Provided are a paste composition capable of avoiding deteriorations in a mechanical strength and an adhesion property of an electrode layer, of sufficiently attaining a desired BSF effect, and of suppressing deformation (bow) of the silicon semiconductor substrate even in a case where a silicon semiconductor substrate is rendered thin; and a solar cell element including an impurity layer, or an impurity layer and an electrode layer, which is (or are) formed by using the above-mentioned composition. The paste composition is used for forming a p+ layer (11-10-2011
20110272018DYE SENSITIZED SOLAR CELL - Provided is a dye-sensitized solar cell (DSC). The DSC including a working electrode and a counter electrode facing the working electrode includes a polymer film having a mirror reflection characteristic and attached to the outside of the counter electrode. Since the polymer film having a mirror reflection characteristic is employed, use of light can be increased, and incident photon-to-current conversion efficiency (IPCE) can be improved.11-10-2011
20110272017SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a semiconductor layer which includes a p-type impurity containing layer and an n-type impurity-containing layer; a dielectric layer disposed on one side of the semiconductor layer, wherein the dielectric layer has an isotropically etched portion on the surface thereof; a first electrode electrically connected with the p-type impurity-containing layer in the semiconductor layer; and a second electrode electrically connected with the n-type impurity-containing layer in the semiconductor layer.11-10-2011
20100170568AG ELECTRODE PASTE, SOLAR BATTERY CELL, AND METHOD OF MANUFACTURING THE SAME - Ag electrode paste for forming a light-reception-surface-side electrode, with which a solar battery cell having a light-reception-surface-side electrode low in line resistance and achieving high conversion efficiency can be obtained, a solar battery cell having good characteristics manufactured therewith, and a method of manufacturing the same are provided. A silver electrode paste contains (a) Ag particles, (b) an organic vehicle, and (c) lead-free glass fit containing 13 to 17 weight % SiO07-08-2010
20100170567CONDUCTIVE PASTE AND GRID ELECTRODE FOR SILICON SOLAR CELLS - A conductive paste for grid electrodes in solar cells includes a conductive component, glass frit, and resin binder, wherein the conductive component is selected from the group consisting of (i) silver particles and metal particles selected from the group consisting of Pd, Ir, Pt, Ru, Ti, and Co, (ii) alloy particles comprising silver and metal selected from the group consisting of Pd, Ir, Pt, Ru, Ti, and Co, and (iii) silver particles and core-shell particles in which a metal selected from the group consisting of Pd, Ir, Pt, Ru, Ti, and Co is coated on the surface of silver or copper.07-08-2010
20110284065METHOD OF FORMING BACK CONTACT TO A CADMIUM TELLURIDE SOLAR CELL - A method of forming an ohmic contact to a surface of a Cd and Te containing compound film as may be found, for example in a photovoltaic cell. The method comprises forming a Te-rich layer on the surface of the Cd and Te containing compound film; depositing an interface layer on the Te-rich layer; and laying down a contact layer on the interface layer. The interface layer is composed of a metallic form of Zn and Cu.11-24-2011
20110284073HOLEY ELECTRODE GRIDS FOR PHOTOVOLTAIC CELLS WITH SUBWAVELENGTH AND SUPERWAVELENGTH FEATURE SIZES - A photovoltaic cell and a method of forming an electrode grid on a photovoltaic semiconductor substrate of a photovoltaic cell are disclosed. In one embodiment, the photovoltaic cell comprises a photovoltaic semiconductor substrate; a back electrode electrically connected to a back surface of the substrate; and a front electrode electrically connected to a front surface of the substrate. The substrate, back electrode, and front electrode form an electric circuit for generating an electric current when said substrate absorbs light. The front electrode is comprised of a metal grid defining a multitude of holes. These holes may be periodic, aperiodic, or partially periodic. The front electrode may be formed by depositing nanospheres on the substrate; forming a metallic layer on the substrate, around the nanospheres; and removing the nanospheres, leaving an electrode grid defining a multitude of holes on the substrate.11-24-2011
20110284072DYE-SENSITIZED SOLAR CELL - This invention provides a dye-sensitized solar cell ensuring high photoelectric conversion efficiency.11-24-2011
20110284070SOLAR CELL MODULE AND MANUFACTURING METHOD THEREOF - In a solar cell module and a manufacturing method thereof according to an embodiment of the present invention, the solar cell module has a configuration in which in a solar cell element (11-24-2011
20100294353CONDUCTIVE PASTE FOR SOLAR CELL ELECTRODE - An electrode formed on the light-receiving side of photovoltaic cell, comprising conductive component, glass binder, and carbon fiber or metal fiber. By including a carbon fiber and a metal fiber, an electrode having a high aspect ratio can be formed, and improvement of optical conversion efficiency through an increase in light-receiving area can be expected.11-25-2010
20110168250SOLAR CELL AND MANUFACTURING METHOD THEREOF - A solar cell including a photovoltaic layer, a first electrode layer, a second electrode layer, an insulating layer and a light-transparent conductive layer is provided. The photovoltaic layer has a first surface and a second surface. The first electrode layer having at least one gap is disposed on the first surface, wherein the at least one gap exposes a portion of the photovoltaic layer. The second electrode layer is disposed on the second surface. The insulating layer having a plurality of pores is located on the photovoltaic layer exposed by the at least one gap, wherein the holes expose a portion of the photovoltaic layer. The light-transparent conductive layer covers the insulating layer and is connected with the first electrode layer. The transparent electrode is connected with the photovoltaic layer through at least a part of the pores. A method of fabricating a solar cell is also provided.07-14-2011
20110162705MOISTURE RESISTANT PHOTOVOLTAIC DEVICES WITH ELASTOMERIC, POLYSILOXANE PROTECTION LAYER - Improved protection systems for CIGS-based microelectronic devices of the type incorporating electric conductor(s) such as an electronic collection grid. In one aspect, the present invention relates to a photovoltaic device having a light incident surface and a backside surface. The device includes a chalcogenide-containing photovoltaic layer comprising at least one of copper, indium and/or gallium. A transparent conductive layer is interposed between the photovoltaic layer and the light incident surface, wherein the transparent conductive layer is electrically coupled to the photovoltaic layer. An electronic collection grid is electrically coupled to the transparent conductive layer and overlying at least a portion of the transparent conductive layer. An elastomeric structure having a light incident surface, said structure overlying at least portions of the electronic collection grid and the transparent conductive layer in a manner such that the light incident surface of the elastomeric structure is spaced apart from a major portion of the conductor, and wherein the elastomeric structure comprises an elastomeric siloxane polymer having a WVTR of at least 0.1 g/m07-07-2011
20110162704RELIABILITY OF BACK END OF LINE PROCESS BY ADDING PVD OXIDE FILM - A method and apparatus for forming a protective coating on a photovoltaic device is provided. The photovoltaic device is formed by depositing photoelectric conversion units on a substrate, and by forming conductive layers and contacts on the photoelectric conversion units. The protective coating is formed by a deposition process, such as physical or chemical vapor deposition.07-07-2011
20120012171THIN FILM SOLAR FABRICATION PROCESS, DEPOSITION METHOD FOR TCO LAYER, AND SOLAR CELL PRECURSOR LAYER STACK - Methods for manufacturing a layer stack for a thin-film solar cell and layer stacks are provided. The layer stack includes a transparent substrate having a first refraction index, a transparent conductive oxide layer comprising ZnO, wherein the transparent conductive oxide layer is deposited over the substrate and has a second refraction index, and a further layer, which is deposited between the transparent conductive oxide layer and the substrate, wherein the layer has a third refraction index in a range from the first refraction index to the second refraction index, the layer comprises a metal, and wherein the layer composition has a metal content of 0.5 to 10 weight-%.01-19-2012
20080236661Solar cell - A solar cell is provided. The solar cell includes a substrate, at least one first photo-electric conversion unit, at least one second photo-electric conversion unit and a reflective layer. The first photo-electric conversion unit and the second-electric conversion unit are disposed on the substrate. The reflective layer is disposed between the first photo-electric conversion unit and the second photo-electric conversion unit. The reflective layer comprises a plurality of thin films having at least two kinds of refractive indices and alternately stacked.10-02-2008
20110290322SUBSTRATE WITH TRANSPARENT CONDUCTIVE FILM AND THIN FILM PHOTOELECTRIC CONVERSION DEVICE - Disclosed is a substrate with a transparent conductive film, wherein an underlying layer and a transparent conductive film are arranged in this order on a transparent insulating substrate. The transparent conductive film-side surface of the underlying layer is provided with a pyramid-shaped or inverse pyramid-shaped irregular structures, and the transparent conductive film comprises a first transparent electrode layer which is formed on the underlying layer and a second transparent electrode layer which forms the outermost surface of the transparent conductive film. By forming a zinc oxide layer that serves as the second transparent electrode layer by a reduced pressure CVD method, a substrate with a transparent conductive film that is provided with an irregular structure smaller than that of the underlying layer can be obtained. The substrate with a transparent conductive film can improve the conversion efficiency of a photoelectric conversion device through an increased light trapping effect.12-01-2011
20110290323SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell is discussed. The solar cell includes a substrate of a first conductivity type, the substrate having a via hole, an emitter disposed at the substrate and having a second conductivity type opposite the first conductivity type, an anti-reflection layer disposed on a first surface of the substrate and inside the via hole, a first electrode disposed on the first surface of the substrate and in the via hole, a first electrode bus bar disposed on a second surface of the substrate that is opposite the first surface and in the via hole, and a second electrode disposed on the second surface of the substrate and connected to the substrate.12-01-2011
20110290313SOLAR CELLS WITH ENGINEERED SPECTRAL CONVERSION - A solar cell with engineered spectral conversion elements or components includes a single crystal silicon solar cell having a back surface. At least one spectral conversion element is formed on the back surface. The conversion element includes single crystal rare earth oxide, and the single crystal rare earth oxide is crystal lattice matched to the back surface of the silicon solar cell. Material including silicon is formed on the back surface in a surrounding and embedding relationship to the at least one spectral conversion element. A back reflector is positioned on the material formed on the back surface so as to reflect light passing through the silicon formed on the back surface.12-01-2011
20110290321Method for producing single crystal silicon solar cell and single crystal silicon solar cell - A method for producing a single crystal silicon solar cell including the steps of: implanting ions into a single crystal silicon substrate through an ion implanting surface thereof; closely contacting the single crystal silicon substrate and a transparent insulator substrate with each other via a transparent electroconductive adhesive while using the ion implanting surface as a bonding surface; curing and maturing the transparent electroconductive adhesive into a transparent electroconductive film; applying an impact to the ion implanted layer to mechanically delaminate the single crystal silicon substrate to leave a single crystal silicon layer; and forming a p-n junction in the single crystal silicon layer.12-01-2011
20110290320Method for producing single crystal silicon solar cell and single crystal silicon solar cell - A method for producing a single crystal silicon solar cell including the steps of: implanting ions into a single crystal silicon substrate through an ion implanting surface thereof to form an ion implanted layer in the single crystal silicon substrate; forming a transparent electroconductive film on a surface of a transparent insulator substrate; conducting a surface activating treatment for the ion implanting surface of the single crystal silicon substrate and/or a surface of the transparent electroconductive film on the transparent insulator substrate; bonding the ion implanting surface of the single crystal silicon substrate and the surface of the transparent electroconductive film on the transparent insulator substrate to each other; applying an impact to the ion implanted layer; and forming a p-n junction in the single crystal silicon layer.12-01-2011
20110290319THIN-FILM SOLAR CELL WITH CONDUCTOR TRACK ELECTRODE - The invention relates to a method for producing a thin-film solar cell with a photoactive layer (12-01-2011
20110290318Semiconductor Device, In Particular Solar Cell - A semiconductor device, in particular a solar cell, comprises a semiconductor substrate having a semiconductor substrate surface and a passivation composed of at least one passivation layer which surface-passivates the semiconductor substrate surface, wherein the passivation layer comprises a compound composed of aluminium oxide, aluminium nitride or aluminium oxynitride and at least one further element.12-01-2011
20110290317ELECTRONIC DEVICE MODULE COMPRISING POLYOLEFIN COPOLYMER WITH LOW UNSATURATION AND OPTIONAL VINYL SILANE - An electronic device module comprising: 12-01-2011
20110290316LIGHT SCATTERING INORGANIC SUBSTRATES BY SOOT DEPOSITION - Light scattering inorganic substrates and articles comprising soot particles and methods for making light scattering inorganic substrates and articles comprising soot particles useful for, for example, photovoltaic cells. The method for making the substrates and articles comprises providing an inorganic substrate comprising at least one surface, applying soot particles pyrogenically to the at least one surface of the inorganic substrate to form a coated substrate, and heating the soot particles to form the light scattering inorganic substrate. The invention creates a scattering glass surface that is suitable for subsequent deposition of a TCO and a thin film silicon photovoltaic device structure. The scattering properties may be controlled by the combination of substrate glass and soot composition, deposition conditions, patterning of the soot, and/or sintering conditions.12-01-2011
20110290315ELECTROCHEMICAL METHOD FOR DEPOSITING NANOFIBRILAR POLY(3,4-ETHYLENEDIOXYTHIOPHENE) (PEDOT) HOLE EXTRACTION LAYER IN ORGANIC SOLAR CELLS - An electrochemical method for producing a hole extraction layer in a solar cell based on organic semiconductor materials. Conjugated polymers are used to build a hole extraction layer and a photoactive layer. Poly(3,4-ethylenedioxythiophene) (PEDOT) is used as a hole extraction layer and is deposited electrochemically from an aqueous solution on an indium tin oxide (ITO) electrode. A nanofibrilar or nanogranular morphology of the PEDOT is achieved by carrying out the polymerization in the presence of a surfactant. A photoactive layer of poly(3-hexylthiophene)/[6,6]-phenyl-C12-01-2011
20110297219METHOD AND MATERIALS FOR THE FABRICATION OF CURRENT COLLECTING STRUCTURES FOR PHOTOVOLTAIC DEVICES - A bus grid structure is affixed to a photovoltaic device utilizing a double-sided adhesive tape in which one of the adhesive layers is electrically conductive and the other is electrically resistive. The tape is affixed to a photovoltaic device via the electrically resistive adhesive. Grid wires are applied to a top electrode of the photovoltaic device, and portions of those grid wires are adhered to the electrically conductive adhesive. A bus bar is also adhered to the electrically conductive adhesive so as to contact the portions of the grid wire. The assembly is laminated so as to bond the grid wires to the photovoltaic device and to the bus bar. Further disclosed are devices fabricated according to this method as well as electrically conductive double adhesive tapes utilized in the process.12-08-2011
20110297221SOLAR CELL BACK SHEET AND METHOD FOR PREPARING SAME - Provided are a solar cell backsheet including a substrate layer and a blended resin layer including a fluorine-based resin and a (meth)acrylic-based copolymer resin including a (meth)acrylic-based monomer and a maleimide-based monomer formed on at least one surface of the substrate layer, a method of manufacturing the solar cell backsheet, and a solar cell including the solar cell backsheet. Since using the solar cell backsheet provided here can lower a temperature in a solar cell, and improved heat-resistance, weather-resistance, etc. of the solar cell are achieved.12-08-2011
20110297220LAMINATE STRUCTURE WITH EMBEDDED CAVITIES FOR USE WITH SOLAR CELLS AND RELATED METHOD OF MANUFACTURE - An integrated laminate structure adapted for application in the context of solar technology, including a first carrier element, optionally including optically substantially transparent material enabling light transmission therethrough, a second carrier element provided with at least one surface relief pattern including a number of surface relief forms and having at least one predetermined optical function relative to incident light, the second carrier element including optically substantially transparent material enabling light transmission therethrough, the first and second carrier elements being laminated together such that the at least one surface relief pattern has been embedded within the established laminate structure and a number of related cavities have been formed at the interface of the first and second carrier elements. An applicable method of manufacture.12-08-2011
20110297223Method for producing silicon wafers, and silicon solar cell - In order to produce silicon wafers, liquid ultra-pure silicon is solidified on a silicon monocrystalline seed arranged in the bottom area of a crucible and having a seed surface comprising a {110}-crystal orientation and an edge surface having a {100}-crystal orientation starting from the bottom of the crucible, thus forming a silicon block on the seed surface of the silicon monocrystalline seed which largely takes over the {110}-crystal orientation. Subsequently, the silicon block is divided into wafers with a wafer surface having a {100}-crystal orientation.12-08-2011
20110139234GRATING STRUCTURE FOR DIVIDING LIGHT - A grating structure and a solar cell assembly. In one aspect, the grating structure suppresses the zero order transmission to near 0%. In another aspect, the solar cell assembly has improved absorption due to coupling with a grating structure.06-16-2011
20110030772Electronic device including graphene-based layer(s), and/or method or making the same - Certain example embodiments of this invention relate to the use of graphene as a transparent conductive coating (TCC). In certain example embodiments, graphene thin films grown on large areas hetero-epitaxially, e.g., on a catalyst thin film, from a hydrocarbon gas (such as, for example, C02-10-2011
20110079278Method of Manufacturing a Photovoltaic Compound Semiconductor Printing Solution to Produce Solar Cells - A photovoltaic semiconductor solution comprising at least an equimolar mixture of cadmium, tellurium, gallium and indium; propylene glycol flux; carbon; resin in an organic solvent; strontium titanate; and high molecular weight polymer. The photovoltaic semiconductor solution provides charged free electrons on application of light to the photovoltaic semiconductor solution. Another embodiment relates to a solar cell comprising first and second electrode layers; a photovoltaic semiconductor layer disposed between the first and second electrodes; a first membrane disposed between the first electrode and the semiconductor layer and a second membrane disposed between the second electrode and the semiconductor layer. The first membrane is an electron acceptor layer and the second membrane in an insulator. The PV semiconductor layer includes the PV semiconductor solution. Each of the layers of the solar cell are formed on a substrate. Photoelectric power is generated due to light that is incident from the first electrode layer.04-07-2011
20090032097Enhancement of dye-sensitized solar cells using colloidal metal nanoparticles - Plasmon enhancement of a dye-stained matrix for use in a photovoltaic cell. The matrix includes nanoparticles of a charge accepting semiconductor; a sensitizer coating the charge accepting semiconductor; and metal nanoparticles capable of plasmon resonance. Another aspect of the invention relates to a plasmon-enhanced photovoltaic cell. The solar photovoltaic cell includes a plurality of nanoparticles of charge accepting semiconductor; a coating of sensitizer on the plurality of nanoparticles of charge accepting semiconductor; and a plurality of metal nanoparticles capable of plasmon resonance in communication with the sensitizer coating. An additional aspect relates to a method of making plasmon-enhanced material suitable for use in a photovoltaic cell. The steps include providing a charge accepting semiconductor; sintering the charge accepting semiconductor such as metal oxide; coating the charge accepting semiconductor with sensitizer; providing metal nanoparticles capable of plasmon resonance; and coating the charge accepting semiconductor with metal nanoparticles capable of plasmon resonance.02-05-2009
20100263720PHOTOVOLTAIC DEVICE - A photovoltaic device is described. The photovoltaic device comprises an organic-based antireflection layer. A method of making a photovoltaic device is also described.10-21-2010
20090007961Photoelectric Converter and Semiconductor Electrode - Disclosed herein is a photoelectric converter which has an improved photoelectric conversion efficiency and an improved current density owing to the increased amount of sensitizing dye supported on the semiconductor electrode. The photoelectric converter (01-08-2009
20100078068SOLAR CELL WITH EMBEDDED ELECTRODE - A solar cell includes a silicon substrate, an anti-reflection coating (ARC) layer, an embedded electrode and a back-side electrode. The silicon substrate has a front side and a back side. The silicon substrate has a P04-01-2010
20090025787Wafer/Ribbon Crystal Method and Apparatus - A method of processing a ribbon crystal provides a string ribbon crystal, and removes at least one edge of the string ribbon crystal.01-29-2009
20090293953ELECTROLYTE COMPOSITION, PHOTOELECTRIC CONVERSION ELEMENT USING THE SAME, AND DYE-SENSITIZED PHOTOVOLTAIC CELL - An electrolyte composition containing an ionic liquid and conductive particles, an electrolyte composition containing an ionic liquid and oxide semiconductor particles and optionally containing conductive particles, and an electrolyte composition containing an ionic liquid and insulating particles are provided. Furthermore, a photoelectric conversion element comprising: a working electrode, the working electrode comprising an electrode substrate and an oxide semiconductor porous film formed on the electrode substrate and sensitized with a dye; a counter electrode disposed opposing the working electrode; and an electrolyte layer made of these electrolyte compositions is provided.12-03-2009
20090320921Photovoltaic Glazing Assembly and Method - A photovoltaic glazing assembly including first and second substrates, at least one being formed of a light transmitting material. The assembly includes a photovoltaic coating over at least the central region of a surface of the first substrate or the second substrate. In some embodiments, a seal system encloses a gas space between the substrates and optionally has a thickness of between approximately 0.01 inch and approximately 0.1 inch. Certain embodiments provide a flexible and electrically non-conductive retention film over the photovoltaic coating. Additionally or alternatively, the assembly can have a peripheral seal system with relative dimensions in certain ranges. Advantageous manufacturing methods are also provided.12-31-2009
20100263721TRANSPARENT SOLAR CELL - Provided is a transparent solar cell. The transparent solar cell includes a transparent substrate, a selective transparent reflection layer, a first electrode, a photovoltaic conversion layer and a second electrode. The selective transparent reflection layer includes a first surface contacting the transparent substrate, and the second surface facing the first surface. The first electrode, the photovoltaic conversion layer and the second electrode are sequentially stacked on the second surface of the selective transparent reflection layer. The selective transparent reflection layer transmits at least a portion of wavelength of a visible ray and reflects an infrared ray.10-21-2010
20100263719Thin-Film Solar Cell Module - The invention relates to a thin-film solar cell module (10-21-2010
20100032013SEMICONDUCTOR COMPONENT - A semiconductor component, in particular in the form of a solar cell, comprises a two-dimensional semiconductor substrate with a first side, a second side which is arranged opposite thereto, a surface normal which is perpendicular to said first and second sides, and a plurality of recesses which are at least arranged on the second side and extend in the direction of the surface normal, at least one dielectric passivation layer which is arranged on the second side, an electrically conducting contact layer arranged on the passivation layer, a plurality of contact elements for electrically connecting the contact layer with the semiconductor substrate, which contact elements are electrically conductive, are in electrically conducting connection with both the semiconductor substrate and with the contact layer, fill at least 50 %, in particular at least 90%, preferably 100% of in each case one of the recesses, project beyond the recesses with a projection in the direction perpendicular to the surface normal and are of an easily solderable material.02-11-2010
20100032009Multilayered photovoltaic device on envelope surface - A multilayered photovoltaic device (02-11-2010
20110214733Front electrode for use in photovoltaic device and method of making same - This invention relates to a front electrode/contact for use in an electronic device such as a photovoltaic device. In certain example embodiments, the front electrode of a photovoltaic device or the like includes a multilayer coating including at least one transparent conductive oxide (TCO) layer (e.g., of or including a material such as tin oxide, ITO, zinc oxide, or the like) and/or at least one conductive substantially metallic IR reflecting layer (e.g., based on silver, gold, or the like). In certain example instances, the multilayer front electrode coating may include one or more conductive metal(s) oxide layer(s) and one or more conductive substantially metallic IR reflecting layer(s) in order to provide for reduced visible light reflection, increased conductivity, cheaper manufacturability, and/or increased infrared (IR) reflection capability. In certain example embodiments, the front electrode acts as not only a transparent conductive front contact/electrode but also a short pass filter that allows an increased amount of photons having high energy (such as in visible and near infra-red regions of the spectrum) into the active region or absorber of the photovoltaic device.09-08-2011
20110214732MULTI-STAGE FORMATION OF THIN-FILMS FOR PHOTOVOLTAIC DEVICES - A method is provided for producing a film of compound material. The method includes providing a substrate and depositing a film on the substrate. The deposited film has a first chemical composition that includes at least one first chemical element and at least one second chemical element. At least one residual chemical reaction is induced in the deposited film using a source containing at least one second chemical element to thereby increase the content of at least one second chemical element in the deposited film so that the deposited film has a second chemical composition. The content of at least one second element in the second chemical composition is larger than the content of at least one second element in the first chemical composition.09-08-2011
20110214731Solar Cell and Method for Manufacturing the Same - Disclosed is a solar cell and a method for manufacturing the same, which facilitates to prevent residual matters from remaining between first and second electrodes, to minimize a substrate-sagging problem even though plural layers are deposited on a substrate under high-temperature conditions, and to minimize the number of times of laser-scribing process. The solar cell comprises a substrate including a through-hole; a first electrode on one surface of the substrate, wherein one end of the first electrode is extended to an inner surface of the through-hole; a semiconductor layer on the first electrode; a second electrode on the semiconductor layer, wherein one end of the second electrode is extended to the inner surface of the through-hole; and a connecting portion for electrically connecting the one end of the first electrode with the one end of the second electrode.09-08-2011
20110214728Electronic devices including transparent conductive coatings including carbon nanotubes and nanowire composites, and methods of making the same - Certain example embodiments of this invention relate to large-area transparent conductive coatings (TCCs) including carbon nanotubes (CNTs) and nanowire composites, and methods of making the same. The σ09-08-2011
20090283143POINT CONTACT SOLAR CELL - A semiconductor component comprises a semiconductor substrate comprising a front surface, a back surface which is opposite thereto, and a surface normal which is perpendicular to the front and back surfaces, a first contact structure which is electrically conductive and is electrically connected to the front surface of the semiconductor substrate via at least one point-shaped front contact, and a second contact structure which is electrically conductive and is electrically connected to the back surface of the semiconductor substrate.11-19-2009
20120097245SOLAR CELL WITH INTERCONNECTION SHEET, SOLAR CELL MODULE, AND METHOD FOR PRODUCING SOLAR CELL WITH INTERNCONNECTION SHEET - Disclosed are a solar cell with an interconnection sheet, wherein at least either of the connection between a first conductive electrode of a back electrode type solar cell and a first conductive wire of an interconnection sheet and the connection between a second conductive electrode of the back electrode type solar cell and a second conductive wire of the interconnection sheet is electrically established by a conductive substance, and the conductive substance contains a metal which is in contact with at least either of the electrodes and the wires without metal bonding, a solar cell module containing the solar cell with an interconnection sheet, and a method for producing the solar cell with an interconnection sheet.04-26-2012
20120097244CRYSTALLINE SILICON BASED SOLAR CELL AND METHOD FOR MANUFACTURING THEREOF - Provided is a hetero-junction solar cell with a silicon crystalline substrate of small thickness but exhibiting less warpage, and having a high photoelectric conversion efficiency. The crystalline silicon substrate has a thickness of 50 μm to 200 μm, and has a rough structure on the light-incident-side surface thereof. The surface of the transparent conductive layer in the light incidence side has an irregular structure. The top-bottom distance in the irregular structure of the transparent conductive layer in the light-incidence-side is preferably smaller than the top-bottom distance in the rough structure of the crystalline silicon substrate in the-light-incidence side. The distance between tops of the projections in the irregular structure on the surface of the transparent conductive layer in the light incidence side is preferably smaller than the distance between tops of the projections in the rough structure on the surface of the crystalline silicon substrate in the light incidence side.04-26-2012
20120097239METHOD FOR ROUGHENING SUBSTRATE SURFACE, METHOD FOR MANUFACTURING PHOTOVOLTAIC DEVICE, AND PHOTOVOLTAIC DEVICE - To include a first step of forming a protection film on a surface of a translucent substrate, a second step of exposing the surface of the translucent substrate by forming a plurality of openings arranged regularly at a certain pitch in the protection film, a third step of forming parabolic irregularities including substantially hemispherical depressions arranged substantially uniformly on the surface of the translucent substrate by performing isotropic etching by using the protection film having the openings formed as a mask and under conditions in which the protection film has resistance to the surface of the translucent substrate on which the protection film is formed, and a fourth step of removing the protection film, wherein at the fourth step, the isotropic etching is continued after formation of the parabolic irregularities to separate the protection film from the translucent substrate and round apexes of protruded portions in the parabolic irregularities.04-26-2012
20100101642Large-Area Transparent Electroconductive Film and Method of Making the Same - A large-area transparent electroconductive film having a high visible light transmittance, a suitable haze and a low sheet resistance and having an excellent in uniformity on a film surface and which does not require special crystal orientation. The large-area transparent electroconductive film according to the present invention is characterized in that the film is a fluorine-doped tin oxide film having a film thickness of 0.3 to 1 μm, an average light transmittance is 70 to 90% in a wavelength range of 400 to 800 nm, a haze is 2 to 20% and a sheet resistance is 2 to 15 Ω/□.04-29-2010
20120097238GRAPHENE-BASED SOLAR CELL - A solar cell includes a transparent upper electrode for conducting electrons and for allowing incoming photons of light to pass therethrough. An exciton trapping region is disposed proximate the upper electrode, and includes graphene and an exciton trapping dye. The trapping dye traps captured excitons, and the graphene rapidly conducts freed electrons therefrom to the upper electrode. A pigment layer, in close proximity to the exciton trapping region, includes one or more pigment dyes that absorb light photons and emit excitons for transmission to the trapping dye. Excitons emitted by a first pigment dye can further trigger emission of excitons by a second pigment dye. A backing electrode is electrically coupled to the pigment layer via an anionic polyelectrolyte for transporting electrons to the pigment layer to replenish electrons conducted by the transparent upper electrode.04-26-2012
20120097237Paste and Solar Cell Using the Same - The present invention relates to a paste and a solar cell using the paste. The paste according to an embodiment of the present invention comprises three and more than aluminum powders having different shape, size, and type, a glass frit, and an organic vehicle, wherein the aluminum powers includes a first powder of 40 to 50 wt %, a second powder of 20 to 30 wt %, and a third powder of 0.1 to 2 wt %, and the first to third powders have one or more than different shapes of a globular shape, a flat shape, a nano shape, and combinations thereof.04-26-2012
20120097236SOLAR CELL - A solar cell includes a semi-conductive substrate, a doping layer, an anti-reflection layer, an electrode, a passivation stacked layer and a contact layer. The semi-conductive substrate has a front and a back surface. The doping layer is disposed on the front surface. The anti-reflection layer is disposed on the doping layer. The electrode is disposed on the anti-reflection layer and electrically connected to the doping layer. The passivation stacked layer is disposed on the back surface and has a first dielectric layer, a second dielectric layer and a middle dielectric layer sandwiched between the first and the second dielectric layer. The dielectric constant of the middle dielectric layer is substantially lower than the dielectric constant of the first dielectric layer and the dielectric constant of the second dielectric layer. The contact layer covers the passivation stacked layer and electrically contacts with the back surface of the semi-conductive substrate.04-26-2012
20110259417FILM REMOVAL METHOD, PHOTOELECTRIC CONVERSION DEVICE FABRICATION METHOD, PHOTOELECTRIC CONVERSION DEVICE, AND FILM REMOVAL DEVICE - A film formed on a substrate is radiated with a first light beam to separate the film into a plurality of regions. Repairing is carried out by removing the film at a removal deficient site where the film remains between the plurality of regions. A film removal method allowing separation of a film into a plurality of regions at high yield, a method for fabricating a photoelectric conversion device using the film removal method, and a film removal device can be provided.10-27-2011
20100101641SOLAR CELL COATING AND METHOD FOR MANUFACTURING THE SAME - A solar cell coating and a method for manufacturing the solar cell coating. The solar cell coating is formed by adding a low bandgap material, a semiconductor material and a conductive polymer to a solvent or performing high-temperature milling on a mixture formed by mixing a conductive polymer material, a low bandgap material and a semiconductor material so that the solar cell coating exhibits high capability in transporting carriers effectively to transmit the electrons and holes to respective electrodes rapidly. Since the low bandgap material exhibits a small bandgap, MEG takes place to generate a plurality of electro-hole pairs when a photon is absorbed by the low bandgap material. Besides, by mixing the three materials corresponding to different conductive and valence bands respectively, a ladder structure formed by the HOMO and the LUMO corresponding to the three materials respectively will assist effective and rapid carrier transport.04-29-2010
20100170565PHOTOVOLTAIC DEVICE AND METHOD FOR PRODUCING THE SAME - A photovoltaic device having improved conversion efficiency as a result of an increase in the open-circuit voltage is provided. The photovoltaic device comprises a photovoltaic layer having a stacked p-layer, i-layer and n-layer, wherein the p-layer is a nitrogen-containing layer comprising nitrogen atoms at an atomic concentration of not less than 1% and not more than 25%, and the crystallization ratio of the p-layer is not less than 0 but less than 3. Alternatively, the n-layer may be a nitrogen-containing layer comprising nitrogen atoms at an atomic concentration of not less than 1% and not more than 20%, wherein the crystallization ratio of the n-layer is not less than 0 but less than 3. Alternatively, an interface layer may be formed at the interface between the p-layer and the i-layer, wherein the interface layer is a nitrogen-containing layer comprising nitrogen atoms at an atomic concentration of not less than 1% and not more than 30%. Alternatively, an interface layer may be formed at the interface between the n-layer and the i-layer, wherein the interface layer is a nitrogen-containing layer comprising nitrogen atoms at an atomic concentration of not less than 1% and not more than 20%.07-08-2010
20090165852NANOPHOTOVOLTAIC DEVICES - The present invention provides nanophotovoltaic devices having sizes in a range of about 50 nm to about 5 microns, and method of their fabrication. In some embodiments, the nanophotovoltaic device includes a semiconductor core, e.g., formed of silicon, sandwiched between two metallic layers, one of which forms a Schottky barrier junction with the semiconductor core and the other forms an ohmic contact therewith. In other embodiment, the nanophotovoltaic device includes a semiconductor core comprising a p-n junction that is sandwiched between two metallic layers forming ohmic contacts with the core.07-02-2009
20100065113Grooved dye-sensitized solar cell structure and method for fabricating the same - The present invention discloses a grooved dye-sensitized solar cell structure and a method for fabricating the same. The method of the present invention comprises providing a titanium plate having at least one groove; forming insulation layers on the grooves; forming a plurality of titanium dioxide units on the titanium plate each containing a plurality of titanium dioxide nanotubes, wherein each groove is arranged in between two adjacent titanium dioxide units; making the titanium dioxide units absorb a photosensitive dye; forming a transparent conductive film over the insulation layers and the titanium dioxide units; and filling an electrolyte into spaces each enclosed by the transparent conductive film, the titanium dioxide unit, the insulation layers. The present invention not only increases the electron transmission efficiency and photoelectric conversion efficiency but also promote the uniformity of the semiconductor layer.03-18-2010
20090151784Anti-Reflective Coating With High Optical Absorption Layer For Backside Contact Solar Cells - A multilayer anti-reflection structure for a backside contact solar cell. The anti-reflection structure may be formed on a front side of the backside contact solar cell. The anti-reflection structure may include a passivation level, a high optical absorption layer over the passivation level, and a low optical absorption layer over the high optical absorption layer. The passivation level may include silicon dioxide thermally-grown on a textured surface of the solar cell substrate, which may be an N-type silicon substrate. The high optical absorption layer may be configured to block at least 10% of UV radiation coming into the substrate. The high optical absorption layer may comprise high-k silicon nitride and the low optical absorption layer may comprise low-k silicon nitride.06-18-2009
20110168249WET-PROCESSIBLE METAL OXIDE SOLUTION, METHOD OF USING THE SAME, AND ORGANIC PHOTOVOLTAIC CELL OF USING THE SAME - A method of preparing a wet-processible metal oxide solution and a method of fabricating a film using the same are provided. A metal oxide that has been widely used as a photocatalyst is improved and a metal oxide solution having new functionality is formed. The metal oxide solution is transparent, wet-processible, and facilitates electron transfer. The metal oxide solution can be applied in various ways to an electronic device and is well-suited for application to an electronic device using organic materials. Also, a titanium oxide solution functions to remove and block oxygen and moisture. Thus, when it is applied to an electronic device using organic materials that are vulnerable to oxygen and moisture, the lifetime of the device can be increased.07-14-2011
20090151783TRANSLUCENT SOLAR CELL AND MANUFACTURING METHOD THEREOF - The present invention provides a translucent solar cell and a manufacturing method thereof. The translucent solar cell comprises, in stacking order, a substrate, a first electrode layer, a photoconductive layer and a second electrode layer. The translucent solar cell is characterized in that there are formed a plurality of first light-transmissive apertures on the second electrode layer and the plurality of first light-transmissive apertures are further extended in a depth direction to the photoconductive layer to form a plurality of second light-transmissive apertures corresponding to the first light-transmissive apertures. A projected area of each of the second light-transmissive apertures is equal to or smaller than that of a corresponding first light-transmissive aperture.06-18-2009
20090314342Self-organizing nanostructured solar cells - A method of forming a self-organized nanostructured solar cell is provided. The method includes depositing a semiconductor film on a substrate, where the semiconductor film includes a mixture of at least two constituents, then activating the semiconductor film during or after the deposition. Here, the activated semiconductor film self-assembles into an organized nanostructure geometry on the substrate, where the organized nanostructure includes a first structure of the at least one constituent having a first polarity and a second structure of the at least one constituent having a second polarity opposite to the first polarity. Further, the invention includes depositing a contact on a top surface of the organized nanostructure geometry.12-24-2009
20120227806PHOTOCROSSLINKABLE ELECTROLYTE COMPOSITION AND DYE-SENSITIZED SOLAR CELL - Provided are an electrolyte composition useful in gelling or solidifying the electrolyte of a dye-sensitized solar cell, an electrolyte formed from the electrolyte composition, and a dye-sensitized solar cell. The electrolyte composition comprises a redox pair, an ionic liquid, and a photocrosslinkable liquid crystal polymer having a functional group represented by the following chemical formula (1) to form the electrolyte. Moreover, the dye-sensitized solar cell 09-13-2012
20120024370Wafer Type Solar Cell and Method for Manufacturing the Same - Disclosed is a wafer type solar cell and a method for manufacturing the same, which facilitates to enhance hole-collecting efficiency, and to improve cell efficiency by preventing transmittance of solar ray from being lowered, the wafer type solar cell comprising a first semiconductor layer of a semiconductor wafer; a second semiconductor layer doped with P-type dopant, wherein the second semiconductor layer is formed on one surface of the first semiconductor layer, on which solar ray is incident; a third semiconductor layer doped with N-type dopant, wherein the third semiconductor layer is formed on the other surface of the first semiconductor layer; a first passivation layer on the second semiconductor layer; a second passivation layer on the third semiconductor layer; a first electrode connected with the second semiconductor layer; and a second electrode connected with the third semiconductor layer.02-02-2012
20120024369PHOTO-CHEMICAL SOLAR CELL WITH NANONEEDLE ELECTRODE AND METHOD MANUFACTURING THE SAME - A photo-chemical solar cell with nanoneedle electrode and a method manufacturing the same includes at least a working electrode, a counter electrode, an electrolyte layer and a photosensitized dye layer. The working electrode is an nanoneedle electrode formed from an nanoneedle semiconductor layer, wherein the nanoneedle semiconductor layer is prepared by sol-gel method at a low temperature to increase the specific surface area, adsorb more dye, increase the conductive ratio of the electrode, and thus improve the photo-current and the conversion efficiency.02-02-2012
20120024367ELECTRODE FOR PHOTOELECTRIC CONVERSION DEVICE, METHOD OF PREPARING THE SAME AND PHOTOELECTRIC CONVERSION DEVICE COMPRISING THE SAME - An electrode for a photoelectric conversion device, a method of preparing the same and a photoelectric conversion device comprising the same. In one embodiment, an electrode for a photoelectric conversion device includes a transparent conductive layer, a metal electrode layer and a protection layer. The transparent conductive layer is formed on a substrate to have spacing regions formed at a set interval. The metal electrode layer is formed in a corresponding one of the spacing regions. The protection layer is formed on the transparent conductive layer and the metal electrode layer to coat the metal electrode layer. Accordingly, the shape of a protruded electrode is improved, thereby enhancing the reliability of products through a simple process.02-02-2012
20120024366Thin film solar cell structure and fabricating method thereof - A thin film solar cell structure and the fabricating method thereof are disclosed. A passivation layer is embedded into the thin film solar cell structure to be in contact with an absorbing layer. The interface trap density of the absorbing layer is reduced by the surface electric field of the passivation layer. The invention helps improve the power conversion efficiency and protect the absorbing layer.02-02-2012
20090145478SURFACE PROTECTIVE SHEET FOR SOLAR CELL AND SOLAR CELL MODULE - The present invention is a surface protective sheet for a solar cell including a polyethylene naphthalate film and an inorganic oxide film formed on one surface of the polyethylene naphthalate film, in which the absorbance of light having a wavelength from 350 nm to 400 nm is from 1% to 20% or the absorbance of light having a wavelength of 380 nm is from 1% to 20%, and a solar cell module using the same.06-11-2009
20090145477SOLAR CELL - There is provided a solar cell including: a substrate; and an energy absorption structure formed on the substrate, the energy absorption structure including a metal layer, a semiconductor layer and an insulator formed therebetween, wherein at least one of the metal layer, the semiconductor layer and the insulator is formed of a plurality of nanowire structures. The solar cell has the energy absorption structure formed of a nanowire MIS junction structure to ensure high photoelectric conversion efficiency. Further, the solar cell does not require an epitaxial growth, thereby free from drawbacks of an epitaxial layer such as crystal defects.06-11-2009
20110259418Manufacturing Apparatus and Method for Large-Scale Production of Thin-Film Solar Cells - A method of manufacturing improved thin-film solar cells entirely by sputtering includes a high efficiency back contact/reflecting multi-layer containing at least one barrier layer consisting of a transition metal nitride. A copper indium gallium diselenide (Cu(In10-27-2011
20080289686METHOD AND APPARATUS FOR DEPOSITING A SILICON LAYER ON A TRANSMITTING CONDUCTIVE OXIDE LAYER SUITABLE FOR USE IN SOLAR CELL APPLICATIONS - Methods and apparatus for reducing defects on transmitting conducting oxide (TCO) layer are provided. In one embodiment, a method for depositing a silicon layer on a transmitting conducting oxide (TCO) layer may include providing a substrate having a TCO layer disposed thereon, wherein the TCO layer has a peripheral region and a cell integrated region, the cell integrated region having laser scribing patterns disposed thereon, positioning the substrate on a substrate support assembly disposed in a processing chamber, wherein the substrate support assembly has a roughened surface in contact with the substrate, contacting a shadow frame to the peripheral region of the TCO layer and to the substrate support assembly thereby creating an electrical ground path between the TCO layer and substrate support through the shadow frame, and depositing a silicon containing layer on the TCO layer through an aperture of the shadow frame.11-27-2008
20100116328Process For Producing Photovoltaic Device And Photovoltaic Device - A process for producing a photovoltaic device having a high conversion efficiency with improved productivity. The process for producing a photovoltaic device includes an n-layer formation step of depositing an n-layer composed of crystalline silicon on a substrate disposed inside a deposition chamber under reduced pressure conditions by heating the substrate with a heating device to convert the substrate to a heated state, supplying a raw material gas to the inside of the deposition chamber, and then supplying power to a discharge electrode positioned opposing the substrate, wherein the n-layer formation step comprises depositing the n-layer with the pressure inside the deposition chamber set to not less than 500 Pa and not more than 1,000 Pa, and the distance between the substrate and the discharge electrode set to not less than 6 mm and not more than 12 mm.05-13-2010
20100224242PHOTOELECTRIC CONVERTING DEVICE AND METHOD FOR FABRICATING THE SAME - A photoelectric converting device which includes a substrate layer and an active layer is proposed. The active layer, which is disposed over the substrate layer, has a light receiving surface with a textured structure. The textured structure includes multiple indented units and each of the indented units includes three planes, which form an indentation tip at the intersection point between the three planes. The three planes are perpendicular or about perpendicular to each other.09-09-2010
20100139757PHOTOVOLTAIC CELL STRUCTURE - A photovoltaic cell structure includes a substrate, a metal layer, a high resistivity layer, a p-type semiconductor layer, an n-type semiconductor layer and a transparent conductive layer. The metal layer may include molybdenum and be formed on the substrate to be a back contact metal layer of the cell. The high resistivity layer (e.g., V06-10-2010
20080264484Backing sheet for photovoltaic modules and method for repairing same - The present invention provides a protective backing sheet for photovoltaic modules. The backing sheets of the current invention possess excellent weather resistance, heat resistance, color retention, adhesion between layers and encapsulant, and scratch resistance. The backing sheet can minimize the deterioration in the performance of the solar module due to moisture permeation. It also can achieve desirable photoelectric conversion efficiency over a long period of time. Additionally the described backing sheet, or alternately referred to backskin, can be made in an aesthetically pleasing form.10-30-2008
20080264482DYE-SENSITIZED SOLAR CELL MODULE AND THE MANUFACTURING METHOD USING CARBON NANOTUBE ELECTRODE - Disclosed herein is a dye-sensitized solar cell module having carbon nanotube electrodes, the solar cell module comprising: upper and lower transparent substrates; conductive transparent electrodes formed on the inner surfaces of the upper and lower transparent substrates; a plurality of porous oxide semiconductor negative electrodes formed on the upper conductive transparent electrode at a constant interval and having a dye adsorbed on the surface thereof; counter electrodes formed on the lower conductive transparent electrode in a thin film form and made of a carbon nanotube layer as a positive electrode portion corresponding to the negative electrodes; grid electrodes formed on the upper and lower conductive transparent electrodes between unit electrodes, each consisting of the negative electrode and the counter electrode corresponding thereto, the grid electrodes serving to collect electrons generated by photosensitization; connecting electrodes formed on the upper and lower conductive transparent electrodes and electrically connected with the grid electrode so as to transfer electrons moved from the grid electrodes to the outside; and electrolyte placed between the negative electrodes and the counter electrodes. Also disclosed is a method for manufacturing the solar cell module. According to the disclosed invention, a high-efficiency, large-area, dye-sensitized solar cell comprising carbon nanotubes is realized by forming a plurality of dye-sensitized solar cell units in a module arrangement, and forming grid electrodes and connection electrodes for the collection and movement of electrons. Thus, the disclosed invention has high practical utility.10-30-2008
20080264481Solar cell modules comprising compositionally distinct encapsulant layers - The present invention provides a solar cell pre-laminate assembly comprising one or more solar cells laminated between two compositionally distinct encapsulant layers, and the method of preparing a solar cell module from such an assembly.10-30-2008
20110146776GLASS COMPOSITIONS USED IN CONDUCTORS FOR PHOTOVOLTAIC CELLS - The invention relates to glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells.06-23-2011
20100294357Solar Cell and Method for Manufacturing the Same - A solar cell capable of improving efficiency, and a method for manufacturing the same is disclosed, wherein the method for manufacturing the solar cell comprises forming seeds in a predetermined surface portion of a semiconductor substrate doped with a first dopant through the use of silicon source gas; forming an irregularity structure on the semiconductor substrate by growing the seeds through a heat-treatment process; forming a first semiconductor layer doped with a second dopant in the semiconductor substrate with the irregularity structure, wherein the second dopant is different from the first dopant; and forming a front electrode at one side of the semiconductor substrate, the front electrode electrically connected to the first semiconductor layer.11-25-2010
20110214729System for Selectively Filling Pin Holes, Weak Shunts and/or Scribe Lines in Photovoltaic Devices and Photovoltaic Cells Made Thereby - A system for selectively filling pin holes, weak shunts and/or scribe lines in photovoltaics devices and photovoltaic cells made thereby is described.09-08-2011
20110197965SOLAR CELLS AND METHOD OF MANUFACTURING THEREOF - A photovoltaic cell, the cell comprising: 08-18-2011
20110197964SOLAR CELL - A solar cell is discussed. The solar cell includes a substrate of a first conductive type; a first emitter region of a second conductive type opposite the first conductive type and forming a p-n junction with the substrate; a front electrode unit on a first surface of the substrate, and connected to the first emitter region; a back surface field region of the first conductive type formed at a second surface of the substrate opposite the first surface, and having a lattice shape with a plurality of internal portions; a rear passivation layer unit formed on the second surface, and a rear electrode electrically connected to the substrate.08-18-2011
20110197962BARRIER LAMINATE AND PROTECTION SHEET FOR SOLAR CELL - Provided is a barrier laminate which comprises a polyester substrate film, an organic layer directly on the surface of the polyester substrate film and an inorganic layer directly on the surface of the organic layer, wherein the organic layer comprises polymer material having a glass-transition temperature of 40° C. or more as the main component.08-18-2011
20110197961CONDUCTIVE ALUMINUM PASTE AND THE FABRICATION METHOD THEREOF, THE SOLAR CELL AND THE MODULE THEREOF - This present disclosure relates to conductive aluminum paste for fabricating a silicon solar cell. Herein, the conductive aluminum paste is composed of organic carrier, aluminum powder, nano-scale metal particle, and glass frit, wherein the nano-scale metal particle has a particle size distribution D50 in the range from 10 nanometers to 1000 nanometers and the weight percentage of the nano-scale metal particle associated with the conductive aluminum paste is around 0.1 through 10 wt %. Furthermore, the characteristics of the conductive aluminum paste are for reducing the sheet resistance value of the electrode, increasing the adhesion in the silicon solar cell package module, and enhancing the electro-optical conversion efficiency of the silicon solar cell.08-18-2011
20110197960METHOD FOR APPLYING FULL BACK SURFACE FIELD AND SILVER BUSBAR TO SOLAR CELL - A method is provided for applying back contact silver busbars to an aluminum back surface field (BSF) of a solar cell. The method involves providing a solar cell substrate having a front side and a back side; printing a full aluminum backing layer on the back side of the solar cell substrate; drying the printed aluminum backing layer to yield a full aluminum layer; printing and drying a peeling paste on the full aluminum layer in areas where the silver busbars are desired; printing and drying a front contact silver paste on the front side of the solar cell substrate to produce a front grid electrode; co-firing and cooling the front and back sides of the solar cell, wherein during firing the peeling paste wets excess aluminum powder in the aluminum layer, such that during cooling of the solar cell the peeling paste contracts, solidifies, and peels off with the excess aluminum powder to leave a full aluminum BSF having open areas; and printing, drying, and firing a back contact silver paste on the open areas of the BSF to yield silver busbars.08-18-2011
20110197959Photovoltaic Cell with Surface Plasmon Resonance Generating Nano-Structures - A photovoltaic cell (08-18-2011
20110197958AMORPHOUS TIN-CADMIUM OXIDE FILMS AND THE PRODUCTION THEREOF - A tin-cadmium oxide film having an amorphous structure and a ratio of tin atoms to cadmium atoms of between 1:1 and 3:1. The tin-cadmium oxide film may have an optical band gap of between 2.7 eV and 3.35 eV. The film may also have a charge carrier concentration of between 1×1008-18-2011
20090308450SOLAR CELL FABRICATION WITH FACETING AND ION IMPLANTATION - Solar cells in accordance with the present invention have reduced ohmic losses. These cells include photo-receptive regions that are doped less densely than adjacent selective emitter regions. The photo-receptive regions contain multiple four-sided pyramids that decrease the amount of light lost to the solar cell by reflection. The smaller doping density in the photo-receptive regions results in less blue light that is lost by electron-hole recombination. The higher doping density in the selective emitter region allows for better contacts with the metallic grid coupled to the multiple emitter regions. Preferably, the selective emitter and photo-receptive regions are both implanted using a narrow ion beam containing the dopants.12-17-2009
20090308452INTEGRATED IMODS AND SOLAR CELLS ON A SUBSTRATE - Embodiments of the present invention relate to interferometric display devices comprising an interferometric modulator and a solar cell and methods of making thereof. In some embodiments, the solar cell is configured to provide energy to the interferometric modulator. The solar cell and the interferometric modulator may be formed above the same substrate. A layer of the solar cell may be shared with a layer of the interferometric modulator.12-17-2009
20090308449Thin film type solar cell and method for manufacturing the same - A thin film type solar cell and a method for manufacturing the same is disclosed, wherein the thin film type solar cell includes a first anti-oxidation layer formed on a front electrode, and a semiconductor layer formed on the first anti-oxidation layer, so that it is possible to prevent an oxide from being formed in the interface between the front electrode and the semiconductor layer by preventing a reaction between an oxidant contained in the front electrode and silicon of the semiconductor layer, to thereby realize improved cell efficiency, wherein the method for manufacturing the thin film type solar cell comprises forming the front electrode on a substrate; forming the first anti-oxidation layer on the front electrode; forming the semiconductor layer on the first anti-oxidation layer; and forming a rear electrode on the semiconductor layer.12-17-2009
20100084015THIN-FILM SOLAR CELL - This invention discloses a thin-film solar cell, provided with a plurality of unit cells, comprising a substrate, a front electrode layer, an absorber layer and a back electrode layer stacked in such a sequence. The thin-film solar cell further includes at least a defect formed at least in the back electrode layer, and the defect has at least an isolation groove of a closed curve formed around the defect.04-08-2010
20090308447PHOTOVOLTAIC MODULE WITH AT LEAST ONE CRYSTALLINE SOLAR CELL - The invention relates to a photovoltaic module, in which at least one crystalline solar cell, by means of which light energy can be converted into electrical energy, is arranged on a carrier substrate, characterized in that a contact area is formed between the carrier substrate and the at least one crystalline solar cell, wherein, in the region of the contact area, an outer surface on a light entry side of the at least one crystalline solar cell is in contact with a rear surface of the carrier substrate, and in that electrical connection contacts are arranged on the rear side of the at least one crystalline solar cell facing away from the light entry side.12-17-2009
20100078069SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a solar cell, including: forming a first conductivity type semiconductor layer extending along a predetermined direction on aback surface of a semiconductor substrate that has a light-receiving surface and the back surface opposite to the light-receiving surface, the first-conductivity-type semiconductor layer being divided into plural island-shaped sections arranged side by side in the predetermined direction; forming a semiconductor layer of a second conductivity type in the predetermined direction on the back surface; and forming conductive layers respectively on the first-conductivity-type semiconductor layer and the second-conductivity-type semiconductor layer by using a conductive paste, the conductive layer to be formed on the first-conductivity-type semiconductor layer being formed by a printing method such that the conductive layer to be formed on the first-conductivity-type semiconductor layer extends on a line of the plural island-shaped sections to bridge adjacent two of the plural island-shaped sections.04-01-2010
20100078070SOLAR BATTERY - A solar battery, which contains a transparent conductive layer having an average transmittance of 80% or more with an electromagnetic wave having a wavelength of 1,100 nm to 2,000 nm, and a sheet resistance of 20 ohm/sq. or less, in which the transparent conductive layer contains metal nanowires.04-01-2010
20100078067CARBON NANOTUBE FILM BASED SOLAR CELL AND FABRICATING METHOD THEREOF - A carbon nanotube-based solar cell and fabricating method thereof are provided. The method is achieved by applying carbon nanotube film (04-01-2010
20090288705PHOTOVOLTAIC POWER GENERATION AND SOLAR HEAT COLLECTOR - Provided is a photovoltaic power generation and solar heat collector which can be installed in a small area and can simultaneously maintain a high collection efficiency and a high photoelectric conversion efficiency. The photovoltaic power generation and solar heat collector (11-26-2009
20100200053PHOTOVOLTAIC DEVICE HAVING A PROTECTIVE LAYER AND METHODS FOR MANUFACTURING THAT DEVICE - Disclosed herein is a method of making a photovoltaic device having a protective layer affixed to a top surface thereof. The protective layer is comprised of a polymeric material having a fluorinated first surface and a second, opposed, surface which is non-fluorinated or less fluorinated. The protective layer is affixed to the photovoltaic device so that the first surface is farthest therefrom. In some instances, the fluorination may extend to edge portions of the protective layer as well as to any intermediate layers. Further disclosed are devices which incorporate the fluorinated protective layers.08-12-2010
20090165847Sealing Material for Solar Battery, Sheet for Sealing Solar Battery, and Solar Battery Module Using the Same - [Task] To provide a solar battery sealing material obtained by using an olefin-based (co)polymer, which is excellent in flexibility, stress-absorbing property, transparency, and impact-resistant strength at low temperature, and with which the productivity is improved by omitting a cross-linking treatment if necessary.07-02-2009
20110192453MOISTURE RESISTANT PHOTOVOLTAIC DEVICES WITH IMPROVED ADHESION OF BARRIER FILM - The present invention provides strategies for improving the adhesion between a barrier region, a transparent conductive region, and/or an electrically conductive grid through the use of an adhesion promoting region. The adhesion promoting region is optically transmissive and comprises a metal layer, a metal nitride layer, a metal carbide layer, or a combination thereof and preferably comprises at least one of Cr, Ti, Ta, and Zr or a combination thereof. These strategies are particularly useful in the fabrication of heterojunction photovoltaic devices such as chalcogenide-based solar cells. Adhesion is improved to such a degree that grid materials and dielectric barrier materials can cooperate to provide a hermetic seal over devices to protect against damage induced by environmental conditions, including damage due to water intrusion. The adhesion promoting region also serves as a barrier to the migration of Na, Li, and the lanthanoid series of elements.08-11-2011
20110197963PASTE FOR BACK CONTACT-TYPE SOLAR CELL - Disclosed is a back contact-type solar cell wherein both of n08-18-2011
20110168251SOLAR CELL MODULE - A solar cell module is disclosed. The solar cell module comprises a first protective layer, a solar cell layer, a sealing material layer and a second protective layer, wherein the sealing material layer is composed of polyurethane formed by reacting an acrylic resin with a curing agent such that the yield of the solar cell module can be improved. Depending upon its practical application, the solar cell module may use the sealing material layer in the absence of the Ethylene Vinyl Acetate (EVA)07-14-2011
20090205710Thin film type solar cell and method for manufacturing the same - A thin film type solar cell and a method for manufacturing the same is disclosed, which is capable of realizing the improved efficiency in the solar cell with a decreased dead zone, wherein the method comprises forming a plurality of front electrodes on a substrate, wherein the plurality of front electrodes are formed at fixed intervals by each first separating portion interposed in-between; forming a semiconductor layer and transparent conductive layer on an entire surface of the substrate including the front electrodes; forming a contact portion being in contact with the first separating portion by removing predetermined portions of the semiconductor layer and transparent conductive layer; forming a second separating portion by removing a predetermined portion of the transparent conductive layer; and forming a rear electrode connected with the front electrode through the contact portion.08-20-2009
20090205709Thin film type solar cell and method for manufacturing the same - A thin film type solar cell and a method for manufacturing the same is disclosed, the thin film type solar cell comprising a front electrode formed on a substrate; a semiconductor layer formed on the front electrode; a transparent conductive layer formed on the semiconductor layer; a rear electrode formed over the transparent conductive layer; and a buffer layer, formed between the transparent conductive layer and the rear electrode, for reducing an electric resistance of the rear electrode and enhancing an adhesive strength between the transparent conductive layer and the rear electrode.08-20-2009
20090205708REDUCED TRANSMITTANCE PHOTOVOLTAIC CONVERSION DEVICE FOR HIGH SPECTRAL IRRADIANCE - A device (D), dedicated to photovoltaic conversion under high spectral irradiance has: i) a photovoltaic cell (CP) having a lower face provided with a conductive layer (CC) and an upper face (FSC) provided with a carrier collection grid (G). The device also has ii) at least one protective screen (EP) made of glass placed above the cell (CP) and limitation means (SC) responsible, when the device (D) is placed under strong incident radiation of a known spectrum, for limiting the access of a part of this incident radiation to the cell (CP) so as to reduce its thermal heating.08-20-2009
20090120494SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell having a high photoelectric efficiency by minimizing (or reducing) electron transfer resistance and electrode shading loss. The solar cell includes a semiconductor substrate; an emitter layer on a first side of the semiconductor substrate; a conductive transparent electrode layer on the emitter layer; a first electrode on the conductive transparent electrode layer and electrically connected to the conductive transparent electrode layer; and a second electrode on a second side of the semiconductor substrate and electrically connected to the semiconductor substrate. The conductive transparent electrode layer has a specific resistance of about 500 μΩ·cm or less. The emitter layer may be doped with a low concentration of impurities resulting in improve optical response at a short wavelength and minimization (or reduction) of recombination loss.05-14-2009
20100126580CdTe deposition process for solar cells - An inexpensive system is provided for manufacturing a CdTe solar cell in a single pass using sputtering without the need for a wet process and without the need for high temperature gas diffusion. Thus, toxic gases and wet chemical baths are advantageously eliminated. A halogen gas, such as chlorine, and oxygen are added during the sputtering of a CdTe film, so that a wet process is eliminated and the deposited CdTe film can be annealed rapidly, such as by a rapid thermal anneal process (RTA).05-27-2010
20100126575TEXTURED TRANSPARENT CONDUCTIVE LAYER AND METHOD OF PRODUCING IT - The textured transparent conductive layer according to the invention is deposited on a substrate intended for a photoelectric device and exhibiting a surface morphology formed from a sequence of humps and hollows. It is characterized in that its hollows have a rounded base with a radius of more than 25 nm; the said hollows are virtually smooth, which is to say that, where they exhibit microroughnesses, these microroughnesses have a height on average of less than 5 nm; and its flanks form an angle with the plane of the substrate whose median of the absolute value is between 30° and 75°.05-27-2010
20090308451ARRANGEMENT FOR THE INDIRECT INTENSITY-SELECTIVE ILLUMINATION OF SOLAR CELLS - An arrangement and method for illumination of solar cells. The arrangement includes at least one mirror with at least one predetermined surface geometry and at least one solar cell. The at least one predetermined surface geometry is structured and arranged to distribute primary radiation striking the at least one mirror in one of a targeted manner and homogenously on the at least one solar cell.12-17-2009
20080216891Quantum dot sensitized wide bandgap semiconductor photovoltaic devices & methods of fabricating same - A quantum dot (QD) sensitized wide bandgap (WBG) semiconductor heterojunction photovoltaic (PV) device comprises an electron conductive layer; an active photovoltaic (PV) layer adjacent the electron conductive layer; a hole conductive layer adjacent the active PV layer; and an electrode layer adjacent the hole conductive layer. The active PV layer comprises a wide bandgap (WBG) semiconductor material with E09-11-2008
20090095346ANTIREFLECTIVE COATINGS FOR PHOTOVOLTAIC APPLICATIONS - A process is provided for making a photovoltaic device comprising a silicon substrate comprising a p-n junction, the process comprising the steps of: forming an amorphous silicon carbide antireflective coating over at least one surface of the silicon substrate by chemical vapor deposition of a composition comprising a precursor selected from the group consisting of an organosilane, an aminosilane, and mixtures thereof, wherein the amorphous silicon carbide antireflective coating is a film represented by the formula Si04-16-2009
20090277502SOLAR CELL, SOLAR CELL MODULE USING THE SOLAR CELL AND METHOD FOR MANUFACTURING THE SOLAR CELL MODULE - In a solar cell, a body portion that includes at least one PN junction portion that is formed by laminating a P layer and an N layer in the front to back direction is formed. End faces of the PN junction portion form part of side faces of the body portion, and a surface electrode is formed on a surface of the body portion and a back surface electrode is formed on a back surface of the body portion. The surface electrode includes a terminal attachment portion to which a surface electrode connecting lead wire through which an electromotive force is extracted is bonded by wire-bonding or spot-welding. An anti-reflection film is formed on a surface of the surface electrode that includes the terminal attachment portion and the surface of the body portion other than a portion where the surface electrode is formed.11-12-2009
20130098435HYBRID CONTACT FOR AND METHODS OF FORMATION OF PHOTOVOLTAIC DEVICES - Described herein is a contact for a photovoltaic device and method of making the same. The contact has a transparent conductive oxide stack, where a first portion of the transparent conductive oxide stack is formed by atmospheric pressure vapor deposition and a second portion of the transparent conductive oxide stack is formed by physical vapor deposition.04-25-2013
20130098438TRANSLUCENT LAMINATED FILM AND SOLAR CELL MODULE USING IT - To provide a translucent substrate which sufficiently improves the power generation efficiency of a solar cell, and a solar cell module.04-25-2013
20130098439SILICON WAFER, SEMICONDUCTOR DEVICE, METHOD FOR PRODUCING SILICON WAFER, AND METHOD FOR PRODUCING SEMICONDUCTOR DEVICE - A silicon wafer obtained by etching by not less than 5 μm and not more than 25 μm per surface on either side a surface of crystalline silicon obtained by cutting a silicon crystal ingot, the silicon wafer having a surface with a facet having a width of not less than 10 μm and not more than 150 μm, and a semiconductor device having an electrode at that surface, are provided. Furthermore, a method for producing the silicon wafer and a method for producing the semiconductor device that include the step of etching a surface of the crystalline silicon with an aqueous solution of sodium hydroxide having a sodium hydroxide concentration of not less than 20% by mass and not more than 35% by mass by not less than 5 μm and not more than 25 μm per surface on either side, are also provided.04-25-2013
20080289687METHODS FOR DEPOSITING A SILICON LAYER ON A LASER SCRIBED TRANSMITTING CONDUCTIVE OXIDE LAYER SUITABLE FOR USE IN SOLAR CELL APPLICATIONS - Methods and apparatus for reducing defects on transmitting conducting oxide (TCO) layer are provided. The method includes a method of laser scribing a TCO layer for solar cell applications. In one embodiment, a method for depositing a silicon layer on a transmitting conducting oxide (TCO) layer may include laser scribing a cell-integrated region of a TCO layer disposed on a substrate for solar applications, the TCO layer having a laser scribing free periphery region outward of the cell-integrated region, the periphery region having a width between about 10 mm and about 30 mm measured from an edge of the substrate, transferring the scribed substrate into a deposition chamber, and depositing a silicon containing layer on the TCO layer in the deposition chamber.11-27-2008
20080210299Method of Fabricating Photocoltaic Cells - The invention relates to a method of fabricating photovoltaic cells in which at least one layer of semiconductor material is deposited continuously on a carbon ribbon (09-04-2008
20080210301METAL CONTACT STRUCTURE FOR SOLAR CELL AND METHOD OF MANUFACTURE - In a solar cell having p doped regions and n doped regions alternately formed in a surface of a semiconductor wafer in offset levels through use of masking and etching techniques, metal contacts are made to the p regions and n regions by first forming a base layer contacting the p doped regions and n doped regions which functions as an antireflection layer, and then forming a barrier layer, such as titanium tungsten or chromium, and a conductive layer such as copper over the barrier layer. Preferably the conductive layer is a plating layer and the thickness thereof can be increased by plating.09-04-2008
20100122729Dye compound and photoelectric component using the same - The present invention relates to a dye compound represented by the following formula (I), or a salt thereof:05-20-2010
20110168254Electrode Plate And Dye-Sensitized Photovoltaic Cell Having The Same - An electrode plate for a dye-sensitized photovoltaic cell includes a transparent substrate and a transparent conductive film. The transparent conductive film includes a zinc oxide thin film layer formed over the transparent substrate, the zinc oxide thin film layer being doped with gallium, and a tin oxide thin film layer formed over the zinc oxide thin film layer, the tin oxide thin film layer being doped with a dopant.07-14-2011
20110168252Textured coating with etching-blocking layer for thin-film solar cells and/or methods of making the same - Certain example embodiments of this invention relate to a front electrode for solar cell devices (e.g., amorphous silicon or a-Si solar cell devices), and/or methods of making the same. Advantageously, certain example embodiments include a layer that acts as an etch-stop layer. In certain example embodiments, the blocking layer is provided between a transparent conductive oxide layer including AZO and a conductive layer. In certain example embodiments, a weak acid may be used to texture the layer including AZO. A semiconductor may be provided over the textured layer including AZO. The blocking layer provided between the layer of AZO and the IR reflecting layer may be more resistant to etching by weak acids than the layer based on AZO. Therefore, in certain example embodiments, the blocking layer may substantially reduce the risk of the semiconductor coming into contact with the conductive layer (which may be based on Ag).07-14-2011
20090277503Solar Cell with Current Blocking Layer - A solar cell includes an active layer, a blocking layer and a contact layer. The blocking layer is disposed between a portion of the top surface of the active layer and the bottom surface of the contact layer. The blocking layer serves to reduce current flow between the contact layer and the portion of the active layer covered by the blocking layer. Current flow to the contact layer may occur via gridlines electrically connecting the active layer to the contact layer.11-12-2009
20110139238PROCESS FOR THE PRODUCTION OF A MWT SILICON SOLAR CELL - A process for the production of a MWT silicon solar cell comprising the steps: 06-16-2011
20110139237PHOTOVOLTAIC CELL, AND SUBSTRATE FOR SAME - The invention relates to a photovoltaic cell having an absorbent photovoltaic material, especially one based on cadmium, said cell comprising a faceplate substrate, especially a transparent glass substrate, having, on a main surface, a transparent electrode coating consisting of a thin-film multilayer that includes at least one transparent conductive layer, especially one based on optionally doped zinc oxide, characterized in that the electrode comprises at least one smoothing layer.06-16-2011
20090277499Solar Cell and Method for Manufacturing the Same - A highly reliable solar cell is achieved which has a high photoelectric conversion efficiency and no aged deterioration. A cell 11-12-2009
20090283141Solar Cells and Methods for Manufacturing Same - This invention relates to a method for contacting solar wafers containing one or more layers of temperature sensitive passivation layers by first creating local openings in the passivation layer(s) and then fill the openings with an electric conducting material. In this way, it becomes possible to avoid the relatively high temperatures needed in the conventional method for contacting solar wafers containing one or more passivation layer(s), and thus maintain the excellent passivation properties of newly developed temperature sensitive passivation layer(s) during and after the contacting.11-19-2009
20110168253ELECTRODE SUBSTRATE AND PHOTOELECTRIC TRANSFORMATION DEVICE - An electrode substrate of a photoelectric transformation device includes a transparent conductive substrate, a current-collecting electrode disposed on the transparent conductive substrate, and a coating film coating the surface of the current-collecting electrode. The coating film includes a combustion product of a glass paste composition applied on the current-collecting electrode. The glass paste composition includes a filler made of a material that does not melt at a temperature which is not higher than a glass transition temperature or a phase transition temperature of the transparent conductive substrate.07-14-2011
20090288706Hybrid Photovoltaic Cell Module - A hybrid photovoltaic cell module includes a substrate and a photopolymer composition disposed on the substrate. The photopolymer composition includes an organic photopolymer, a plurality of nanoparticles, and a dendrimer that disperses the nanoparticles in the composition. The dendrimer has a number average molecular weight of from 300 to 10,000 g/mol and a core having a carbon atom directly bonded to X11-26-2009
20120167977SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a substrate of a first conductive type, an emitter layer which is positioned at one surface of the substrate and has a second conductive type opposite the first conductive type, an anti-reflection layer which is positioned on the emitter layer and has a contact line, and an electrode part positioned on the emitter layer exposed by the contact line. The electrode part includes a seed layer directly contacting the emitter layer. The emitter layer has a first thickness of a formation area of the anti-reflection layer and a second thickness of a formation area of the seed layer. The first thickness is different from the second thickness.07-05-2012
20090293952Thin Film Photovoltaic Module - The present invention provides a thin film photovoltaic device comprising a poly(vinyl butyral) layer that provides excellent adhesion, resistivity, sealing, processability, and durability to the device.12-03-2009
20100147377SOLAR CELL MODULE AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide a solar cell module in which a solar cell element connected with a substrate by wire bonding is sealed and which is capable of preventing deformation of a bonding wire. For this object, the solar cell module of the present invention is designed such that the bonding wire is sealed with potting resin so that a surface of the solar cell element, which surface is opposite to the substrate, is exposed.06-17-2010
20110203658PHOTOVOLTAIC CELL SUBSTRATE AND PHOTOVOLTAIC CELL INCLUDING THE SAME - A photovoltaic cell substrate includes a transparent substrate and a zinc oxide thin film layer doped with a dopant. The zinc oxide thin film layer is formed over the transparent substrate. The zinc oxide thin film layer has a (0002) crystal plane and a (10 08-25-2011
20110203656Nanoscale High-Aspect-Ratio Metallic Structure and Method of Manufacturing Same - Nanoscale high-aspect-ratio metallic structures and methods are presented. Such structures may form transparent electrode to enhance the performance of solar cells and light-emitting diodes. These structures can be used as infrared control filters because they reflect high amounts of infrared radiation. A grating structure of polymeric bars affixed to a transparent substrate is used. The sides of the bars are coated with metal forming nanowires. Electrodes may be configured to couple to a subset of the rails forming interdigitated electrodes. Encapsulation is used to improve transparency and transparency at high angles. The structure may be inverted to facilitate fabrication of a solar cell or other device on the back-side of the structure. Multiple layered electrodes having an active layer sandwiched between two conductive layers may be used. Layered electro-active layers may be used to form a smart window where the structure is encapsulated between glass to modify the incoming light.08-25-2011
20110203654ORGANIC THIN-FILM SOLAR CELL AND METHOD FOR MANUFACTURE THEREOF - A main object of the present invention is to provide an organic thin-film solar cell in which a short circuit hardly occurs between the electrodes and which has high photoelectric conversion efficiency even when formed to have a large area. To achieve the object, provided is an organic thin-film solar cell comprising: a transparent substrate, a mesh electrode and a transparent electrode laminated in any order on the transparent substrate, a photoelectric conversion layer formed on the mesh electrode and the transparent electrode, and a counter electrode formed on the photoelectric conversion layer, characterized in that the mesh electrode has such a thickness that no short circuit occurs between the counter electrode and the mesh electrode and the transparent electrode.08-25-2011
20110203657PHOTOVOLTAIC CELL SUBSTRATE AND PHOTOVOLTAIC CELL INCLUDING THE SAME - A photovoltaic cell substrate and a photovoltaic cell including the same. The photovoltaic cell substrate includes a transparent substrate and a transparent conductive film formed over the transparent substrate. The transparent conductive film includes a zinc oxide thin film layer doped with a dopant, and both a (0002) growth plane and a (10 08-25-2011
20110203655PHOTOVOLTAIC DEVICE PROTECTION LAYER - A photovoltaic structure can include a protective cap, which can include sodium.08-25-2011
20090007962LOW AREA SCREEN PRINTED METAL CONTACT STRUCTURE AND METHOD - A solar cell comprises adjacent regions of oppositely doped semiconductor material forming a pn junction substantially parallel to front and rear surfaces of the solar cell. A surface of the semiconductor material has a plurality of depressions, with semiconductor material regions forming internal wall surface regions of the depressions being doped to the polarity of one of the semiconductor regions, with which they are in electrical communication. The wall surface regions of the depressions are isolated from the other oppositely doped semiconductor region and form contact points for a contact structure contacting the surface in which the depressions are formed. A dielectric layer is formed over the surface, the dielectric layer being thinner or non-existent in at least a portion of each depression, such that a screen printed metal contact structure formed over the dielectric layer and extending into the depressions makes contact with the semiconductor material in the depressions after sintering.01-08-2009
20100275987Solar Cell and Solar Cell Manufacturing Method - A solar cell with a simple configuration and high efficiency, and a manufacturing method therefor are provided. A solar cell of the present invention includes a semiconductor substrate that has a first surface receiving sunlight and a second surface on the back side of the first surface and that includes a through hole passing through between the first surface and the second surface; and a first electrode that includes a main electrode portion containing a glass component and formed on the first surface of the semiconductor substrate and a conducting portion electrically connected to the main electrode portion, formed in the through hole of the semiconductor substrate, and having a lower glass-component content than the main electrode portion.11-04-2010
20100275985ELECTRON COLLECTOR AND ITS APPLICATION IN PHOTOVOLTAICS - Photovoltaic cells and methods for manufacturing photovoltaic cells. An example photovoltaic cell may include an electron conductor, a hole conductor and an active region situated therebetween. The electron conductor may include a nanowire array and a sheath disposed over the nanowire array. The nanowire array may include a material having an electron mobility that is greater than the electron mobility of the sheath. The sheath may have a density of states that is greater than the density of states of the nanowire array.11-04-2010
20100275986ORGANIC DYE AND DYE-SENSITIZED SOLAR CELL USING THE SAME - An organic dye used in a dye-sensitized solar cell is described, having general formula (1):11-04-2010
20100006149WETTING RESISTANT MATERIALS AND ARTICLES MADE THEREWITH - Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials, methods for making these articles and materials, and methods for protecting articles using coatings made from these materials. One particular embodiment is an article that comprises a coating having a surface connected porosity content of up to about 5 percent by volume. The coating comprises a material that comprises a primary oxide and a secondary oxide, wherein (i) the primary oxide comprises a cation selected from the group consisting of cerium, praseodymium, terbium, and hafnium, and (ii) the secondary oxide comprises a cation selected from the group consisting of the rare earth elements, yttrium, and scandium. The material is transparent to electromagnetic radiation of at least one type selected from the group consisting of ultraviolet radiation, visible light, and infrared radiation.01-14-2010
20110023955LATERAL COLLECTION PHOTOVOLTAICS - Lateral collection photovoltaic (LCP) structures based on micro- and nano-collecting elements are used to collect photogenerated carriers. In one set of embodiments, the collecting elements are arrayed on a conducting substrate. In certain versions, the collecting elements are substantially perpendicular to the conductor. In another set of embodiments, the micro- or nano-scale collecting elements do not have direct physical and electrical contact to any conducting substrate. In one version, both anode and cathode electrodes are laterally arrayed. In another version, the collecting elements of one electrode are a composite wherein a conductor is separated by an insulator, which is part of each collector element, from the opposing electrode residing on the substrate. In still another version, the collection of one electrode structure is a composite containing both the anode and the cathode collecting elements for collection. An active material is positioned among the collector elements.02-03-2011
20110023954SOLAR CELL AND METHOD FOR FABRICATING THE SAME - A solar cell includes a first electrode disposed on a substrate, a first light absorption layer disposed on the first electrode, an interlayer disposed on the first light absorption layer, a second light absorption layer disposed on the interlayer, and a second electrode disposed on the second light absorption layer. The solar cell further includes a groove penetrating through the first light absorption layer, the interlayer, and the second light absorption layer. The groove is filled with the second electrode. The interlayer is spaced apart from the second electrode filling the groove, to define a spacer layer which electrically insulates the interlayer from the second electrode filling the groove.02-03-2011
20110023953Solar Cell Device - A solar cell is provided Its light absorption area is close to a heat-dissipation apparatus. Thus, an excellent dissipation efficiency is obtained. The solar cell has a strong structure, an easy fabrication method and a low cost. Thus, the present invention is fit for mass-production.02-03-2011
20120031484CONDUCTIVE PASTE FOR A SOLAR CELL ELECTRODE - The invention relates to a method of manufacturing a solar cell electrode comprising steps of: (a) preparing a semiconductor substrate comprising a negative layer, a positive layer and passivation layers formed on the negative layer and the positive layer; (b) applying a conductive paste onto the passivation layer(s) formed on the positive layer, on the negative layer, or on both of the positive layer and the negative layer, wherein the conductive paste comprises; (i) a conductive powder; (ii) a glass frit comprising 45 to 81 mole percent (mol %) of PbO, 1 to 38 mol % of SiO02-09-2012
20120031487Nanoscale High-Aspect-Ratio Metallic Structure and Method of Manufacturing Same - Nanoscale high-aspect-ratio metallic structures and methods are presented. Such structures may form transparent electrode to enhance the performance of solar cells and light-emitting diodes. These structures can be used as infrared control filters because they reflect high amounts of infrared radiation. A grating structure of polymeric bars affixed to a transparent substrate is used. The sides of the bars are coated with metal forming nanowires. Electrodes may be configured to couple to a subset of the rails forming interdigitated electrodes. Encapsulation is used to improve transparency and transparency at high angles. The structure may be inverted to facilitate fabrication of a solar cell or other device on the back-side of the structure. Multiple layered electrodes having an active layer sandwiched between two conductive layers may be used. Layered electro-active layers may be used to form a smart window where the structure is encapsulated between glass to modify the incoming light.02-09-2012
20130213469HIGH EFFICIENCY SOLAR CELL STRUCTURES AND MANUFACTURING METHODS - Fabrication methods and structures relating to multi-level metallization for solar cells as well as fabrication methods and structures for forming back contact solar cells are provided.08-22-2013
20110197967PHOTOVOLTAIC ELEMENT AND METHOD FOR MANUFACTURING SAME - On a p-type conductive light absorption layer provided by a chalcopyrite structure compound that is layered bridging a pair of backside electrode layers provided on a side of a glass substrate, a light-transmissive n-type buffer layer that forms a p-n junction with the light absorption layer is layered. A light-transmissive transparent electrode layer is layered on the buffer layer to extend from a side of the light absorption layer and the buffer layer to one of the pair of backside electrode layers. The transparent electrode layer is formed in an amorphous film containing indium oxide and zinc oxide as primary components, the transparent electrode layer exhibiting a film stress of ±1×1008-18-2011
20080251120Thin Film Solar Cell and Manufacturing Method - The present invention relates to a thin film solar cell and a method of manufacturing such cells. In particular the invention relates to the use of a composite back contact (10-16-2008
20090266415NANOSTRUCTURES AND MATERIALS FOR PHOTOVOLTAIC DEVICES - A photovoltaic device includes an encapsulation layer fabricated from an elastomeric material, such as for example a perfluoropolyether having favorable optical properties, gas permeable, scratch resistant, conformal liquid material. The encapsulation layer can also include a structured surface for manipulating and trapping light incident on the photovoltaic device.10-29-2009
20090266416PHOTOVOLTAIC DEVICES INCLUDING SELF-ASSEMBLING FULLERENE DERIVATIVES FOR IMPROVED EFFICIENCIES - Described herein are photovoltaic devices including self-assembling fullerene derivatives. In one embodiment, a photovoltaic device includes a first electrode layer, a second electrode layer, and an active layer disposed between the first electrode layer and the second electrode layer. The active layer is configured to absorb incident light to produce a first type of charge carrier that is transported to the first electrode layer and a second type of charge carrier that is transported to the second electrode layer. The active layer includes self-assembled molecules of a fullerene derivative to provide a conductive path through at least a portion of the active layer.10-29-2009
20090266414PROCESS FOR PRODUCING SEMICONDUCTOR SUBSTRATE, SEMICONDUCTOR SUBSTRATE FOR SOLAR APPLICATION AND ETCHING SOLUTION - Provided are: a process for producing safely at low cost a semiconductor substrate excellent in photoelectric conversion efficiency, and stable in an etching rate and a pyramid shape, which is capable of uniformly forming a fine uneven structure with desired size suitable for a solar cell on the surface thereof; a semiconductor substrate for solar application having a uniform and fine pyramid-shaped uneven structure in a plane; and an etching solution for forming a semiconductor substrate having a uniform and fine uneven structure, which has a high stability at initial use. The process comprises etching a semiconductor substrate with the use of an alkaline etching solution containing at least one kind selected from the group consisting of carboxylic acids having a carbon number of 1 to 12 and having at least one carboxyl group in a molecule, salts thereof, and silicon, to thereby form an uneven structure on the surface of the semiconductor substrate.10-29-2009
20090266413Photovoltaic Cells With Gratings For Scattering Light Into Light-absorption Layers - Embodiments of the present invention are directed to photovoltaic cells that include a surface relief grating to couple out-of-plane light into the leaky slab modes of the photovoltaic cells. In one embodiment of the present invention, a photovoltaic cell comprises a bottom electrode, a light-absorption layer disposed on the bottom electrode, and a top electrode disposed on the light-absorption layer. The top electrode is configured with a grating that enables light incident on the grating to be scattered into the light-absorption layer and traps incident light with particular polarizations and incident angles in the grating to interact with the light-absorption layer.10-29-2009
20100096010INGAP HETEROJUNCTION BARRIER SOLAR CELLS - A new solar cell structure called a heterojunction barrier solar cell is described. As with previously reported quantum-well and quantum-dot solar cell structures, a layer of narrow band-gap material, such as GaAs or indium-rich InGaP, is inserted into the depletion region of a wide band-gap PN junction. Rather than being thin, however, the layer of narrow band-gap material is about 400-430 nm wide and forms a single, ultrawide well in the depletion region. Thin (e.g., 20-50 nm), wide band-gap InGaP barrier layers in the depletion region reduce the diode dark current. Engineering the electric field and barrier profile of the absorber layer, barrier layer, and p-type layer of the PN junction maximizes photogenerated carrier escape. This new twist on nanostructured solar cell design allows the separate optimization of current and voltage to maximize conversion efficiency.04-22-2010
20100126579SOLAR CELL HAVING REFLECTIVE STRUCTURE - A solar cell having a reflective structure is provided, which includes a front contact, a P layer, an I layer, an N layer, and a back contact that are stacked together. The solar cell having the reflective structure is characterized in that the N layer is a layer of low refraction index, and a refraction index of the layer of low refraction index is lower than that of the I layer. Furthermore, the N layer may be a multi-layer structure consisting of several films in which films with low refraction indexes and films with high refraction indexes are stacked alternately. The film in contact with the I layer in the multi-layer structure is a film of low refraction index. A refraction index of the film of low refraction index is lower than that of the I layer.05-27-2010
20100126581SOLAR CELL MODULE - There are provided a frameless solar cell module and a manufacturing method thereof, in which the frameless solar cell module includes a sub-module including a substrate glass, a thin-film solar cell device formed on the substrate glass, a cover glass attached to a light receiving surface side of the thin-film solar cell device, and a filler for adhering and holding the substrate glass and the cover glass, and is characterized in that lamination surfaces at side ends of the sub-module are sealed with a metal sealing material.05-27-2010
20120192938Method and apparatus involving high-efficiency photovoltaic with p-type oxidant - The present invention is a method and technique (apparatus) to improve the efficiency of the chemical and physical types of photovoltaics. All types of photovoltaics suffer from the build-up of counter-electrons, termed p-type electrons. The p-type electrons induce a potential break to the main potential of the photovoltaic, i.e. causing a reduction to the converted power. The application of the oxidant layer to the p-type semiconductor of the photovoltaic should reduce the p-type electrons from moving in the external circuit, therefore increases the overall efficiency.08-02-2012
20080264485DYE-SENSITIZED SOLAR CELL CONTAINING FLUORESCENT MATERIAL AND METHOD OF MANUFACTURING THE SAME - Provided are a dye-sensitized solar cell and a method of manufacturing the same. The dye-sensitized solar cell includes an opposing electrode and a photoelectrode. The opposing electrode includes a light-transmitting layer formed of a transparent glass substrate and an FTO (fluorine-doped tin oxide) thin film deposited on the transparent glass substrate, and a catalyst layer formed by depositing platinum on the FTO thin film. The photoelectrode includes a glass substrate and an FTO thin film deposited on the glass substrate. The photoelectrode is coated with a mixture of a fluorescent material and a transition metal oxide that includes titanium dioxide (TiO10-30-2008
20120192944POLYESTER FILM, AND SOLAR-CELL BACK SHEET AND SOLAR-CELL USING THE SAME - A polyester film has a laminate structure including a polyester layer (layer P08-02-2012
20090165851SOLAR CELL MODULE AND METHOD FOR MANUFACTURING SOLAR CELL MODULE - In the solar cell element 07-02-2009
20090165850TRANSPARENT CONDUCTIVE FILM AND SOLAR CELL USING THE SAME - The transparent conductive film 07-02-2009
20090165846TRIPLET EMITTER HAVING CONDENSED FIVE-MEMBERED RINGS - The present invention relates to light emitting compounds, especially to triplett emitters suitable for electrooptical applications. Compounds according to the invention are organometallic complexes of a metal, preferably Ir, having a backbone of one five-membered ring that is linked to a five- or six-membered ring, by an intermediate six-membered ring. These compounds are suitable for adaptation to the emission of light in the UV to NIR range by adaptation of atoms or groups within at least one of the five-membered or six-membered ring structures.07-02-2009
20080276988METHOD FOR REGENERATING PHOTOVOLTAIC MODULE AND PHOTOVOLTAIC MODULE - The present invention allows a crystalline photovoltaic module having a super straight type structure in which a light-receiving surface side-sealing EVA layer 11-13-2008
20080276986Photolithography Method For Contacting Thin-Film Semiconductor Structures - A photolithography method for contacting one or more contact regions of a thin-film semiconductor structure on a transparent supporting material is disclosed. The method comprises the steps of forming one or more openings (11-13-2008
20080276987Nanostructured Solar Cells - Improved photovoltaic devices and methods are disclosed. In one embodiment, an exemplary photovoltaic device includes a semiconductor layer and a light-responsive layer (which can be made, for example, of a semiconductor material) which form a junction, such as a p-n junction. The light-responsive layer can include a plurality of carbon nanostructures, such as carbon nanotubes, located therein. In many cases, the carbon nanostructures can provide a conductive pathway within the light-responsive layer. In other embodiments, exemplary photovoltaic devices include semiconductor nanostructures, which can take a variety of forms, in addition to the carbon nanostructures. Further embodiments include a wide variety of other configurations and features. Methods of fabricating photovoltaic devices are also disclosed.11-13-2008
20120291863SOLAR CELL AND MANUFACTURING METHOD THEREOF - A solar cell includes a base substrate including a first surface and a second surface opposite the first surface, the base substrate being configured to have sunlight incident on the first surface, a doping layer on the first surface of the base substrate, a first passivation layer on the doping layer, the first passivation layer including hydrogen, a first capping layer on the first passivation layer, the first capping layer being configured to prevent discharge of hydrogen from the first passivation layer, a first electrode on the first capping layer, and a second electrode on the second surface of the base substrate.11-22-2012
20080289688Photovoltaic Apparatus Including Spherical Semiconducting Particles - A photovoltaic apparatus includes a plurality of approximately spherical photoelectric conversion elements including a second semiconductor layer located outside a first semiconductor layer, for generating photoelectromotive force therebetween. The second semiconductor layer has an opening through which part of the first semiconductor layer is exposed. The apparatus also includes a support having first and second conductors and an insulator disposed between the conductors for electrically insulating the conductors from each other. The support has recesses adjacent to each other, the inside surfaces of which are constituted by the first conductor. The photoelectric conversion elements are disposed in respective recesses so that the elements are illuminated with light reflected by part of the first conductor that constitutes the recess. The first conductor is electrically connected to the second semiconductor layers of the photoelectric conversion elements, and the second conductor is electrically connected to the exposed portions of the first semiconductor layers.11-27-2008
20120291865SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate of a first conductive type having at least one via hole, an emitter layer of a second conductive type opposite the first conductive type on the substrate, a first conductor electrically connected to the emitter layer, a second conductor electrically connected to the first conductor through the via hole, and a third conductor electrically connected to the substrate. The third conductor is electrically separated from the second conductor. A portion of the first conductor and a portion of the second conductor are positioned inside the via hole.11-22-2012
20080302416Durable silver based transparent conductive coatings for solar cells - A method of creating a solar cell package is disclosed. A solar cell is obtained having an active surface. A coating is applied to the active surface of the solar cell, wherein the coating comprises a four-layer structure. A first Nickel Chromium Nitride layer is applied with a thickness between 5-15 Angstroms inclusive. A Silver layer is applied to the first Nickel Chromium Nitride layer, wherein the Silver layer comprises at least 99.999% Silver with a thickness between 40-100 Angstroms inclusive. A second Nickel Chromium Nitride layer is applied to the Silver layer, wherein the second Nickel Chromium Nitride layer comprises a thickness between 5-15 Angstroms inclusive. A Silicon Nitride layer is applied to the second Nickel Chromium Nitride layer.12-11-2008
20080314444ELECTRICALLY CONDUCTIVE PASTE AND SOLAR CELL - An electrically conductive paste which can be formed into an electrode by being fired at relatively low temperatures, which exhibits excellent adhesion strength between a light-receiving surface electrode and a semiconductor substrate, and which can satisfactorily reduce the contact resistance between the two, is provided. The electrically conductive paste used as a material for a light-receiving surface electrode of a solar cell, includes a Ag powder, an organic vehicle, and glass frit, wherein the softening point of the above-described glass frit is 570° C. 760° C., and the glass frit contains B12-25-2008
20080245410PHOTOVOLTAIC CELL - The present invention relates to a photovoltaic cell, a method of manufacturing such photovoltaic cell, and to uses of such cell.10-09-2008
20100126583THIN FILM SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A thin film solar cell and a method of manufacturing the same are provided. The thin film solar cell includes a substrate; a transparent layer positioned on the substrate and comprising a plurality of microlenses; a first electrode positioned on the transparent layer; an absorption layer to generate electron-hole pairs from incident light, and positioned on the first electrode; and a second electrode positioned on the absorption layer.05-27-2010
20130118571SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a substrate formed of n-type single crystal silicon, an emitter region of a p-type which is positioned at a first surface of the substrate and includes a first emitter region having a first sheet resistance and a second emitter region having a second sheet resistance less than the first sheet resistance, a plurality of surface field regions of the n-type locally positioned at a second surface opposite the first surface of the substrate, a plurality of first electrodes which are positioned only on the second emitter region to be separated from one another and are connected to the second emitter region, and a plurality of second electrodes which are positioned on the plurality of surface field regions to be separated from one another and are connected to the plurality of surface field regions.05-16-2013
20130118572CONDUCTIVE PASTE AND ELECTRONIC DEVICE AND SOLAR CELL INCLUDING AN ELECTRODE FORMED USING THE CONDUCTIVE PASTE - A conductive paste includes a conductive powder, a metallic glass having a glass transition temperature of less than or equal to about 600° C. and a supercooled liquid region of greater than or equal to 0 K, and an organic vehicle, and an electronic device and a solar cell include an electrode formed using the conductive paste.05-16-2013
20130118573PASTE COMPOSITION FOR ELECTRODE, PHOTOVOLTAIC CELL ELEMENT, AND PHOTOVOLTAIC CELL - The present invention provides a paste composition for an electrode comprising a phosphorus-containing copper alloy particle, a tin-containing particle, a nickel-containing particle, a glass particle, a solvent, and a resin.05-16-2013
20130118576COVERING LAYER FOR SOLAR CELL - A module is disclosed, which includes a carrier, at least one solar cell disposed on the carrier, and a covering layer that is applied to a side of the at least one solar cell facing away from the carrier. The covering layer includes side lugs, corner lugs, and notches, and wherein one notch each forms a side edge of a side lug or of a corner lug. The side lugs and corner lugs are divided by a corresponding fold line and are disposed on the side of the carrier facing away from the at least one solar cell. The side edges of the corresponding side lugs and corner lugs formed by a notch are in contact with one another.05-16-2013
20130118577Thin Film Type Solar Cell and Method for Manufacturing the Same - A thin film type solar cell and a method for manufacturing the same is disclosed, wherein the thin film type solar cell includes a first anti-oxidation layer formed on a front electrode, and a semiconductor layer formed on the first anti-oxidation layer, so that it is possible to prevent an oxide from being formed in the interface between the front electrode and the semiconductor layer by preventing a reaction between an oxidant contained in the front electrode and silicon of the semiconductor layer, to thereby realize improved cell efficiency, wherein the method for manufacturing the thin film type solar cell comprises forming the front electrode on a substrate; forming the first anti-oxidation layer on the front electrode; forming the semiconductor layer on the first anti-oxidation layer; and forming a rear electrode on the semiconductor layer.05-16-2013
20130213471ENCAPSULATING MATERIAL FOR SOLAR CELL AND SOLAR CELL MODULE - An encapsulating material for solar cell excellent in a balance among properties including transparency, flexibility, adhesiveness, heat resistance, appearance, crosslinking properties, electrical properties and calender moldability. The encapsulating material includes an ethylene/α-olefin copolymer satisfying the following requirements: (a1) the content ratio of structural units derived from ethylene is from 80 to 90 mol % and the content ratio of structural units derived from α-olefin having 3 to 20 carbon atoms is from 10 to 20 mol %; (a2) MFR is equal to or more than 2 g/10 minutes and less than 10 g/10 minutes as measured under the conditions of a temperature of 190 degrees centigrade and a load of 2.16 kg in accordance with ASTM D1238; (a3) the density is from 0.865 to 0.884 g/cm08-22-2013
20130213466METHOD OF MANUFACTURING SOLAR CELL, AND SOLAR CELL - A method of manufacturing a solar cell includes forming an emitter layer on a light-receiving surface side of a substrate for a solar cell, forming an antireflection film, patterned so as to expose a part of the light-receiving surface of the substrate, on the substrate, forming a contact region by implanting an impurity to the exposed part by using the antireflection film as a mask, and forming a light-receiving surface electrode on the contact region.08-22-2013
20090032096PROCESS FOR PRODUCING THIN-FILM DEVICE, AND DEVICES PRODUCED BY THE PROCESS - In a process for producing a thin-film device having an inorganic film formed over a resin-based substrate, a thermal-buffer layer is formed over a substrate which contains a resin material as a main component, and a light-cutting layer is formed over the thermal-buffer layer, where the light-cutting layer prevents damage from short-wavelength light to the substrate by reducing the proportion of the short-wavelength light which reaches the substrate. Thereafter, a non-monocrystalline film which is to be annealed is formed over the light-cutting layer, where the non-monocrystalline film transmits the short-wavelength light to such a degree that the short-wavelength light can damage the substrate. Then, an inorganic film is formed by irradiating the non-monocrystalline film with the short-wavelength light so as to anneal the non-monocrystalline film.02-05-2009
20120291866METHOD OF MANUFACTURING THIN-FILM SOLAR CELL MODULE - A solar cell module is manufactured by resin-sealing a solar cell having a surface electrode to which a tab wire is connected, a tab wire is connected to the surface electrode and the solar cell is sealed with a sealing resin at a relative low temperature during the resin sealing step. For such purposes, a thin-film solar cell having a surface electrode to which a tab wire is connected is resin-sealed with a conductive adhesive film by using a decompression laminator, whereby the thin-film solar cell module is manufactured. A decompression laminator having a first chamber and a second chamber partitioned by a flexible sheet is used. Each chamber is capable of independent internal pressure adjustment. The second chamber includes a heating stage capable of heating. A resin mutually compatible with the thermoplastic resin constituting the conductive adhesive film is used as the sealing resin.11-22-2012
20120291864SOLAR CELL AND SOLAR CELL FABRICATION METHOD - A solar cell is provided. The solar cell includes a substrate which converts light energy into electric energy, a hole which penetrates through the substrate in a vertical direction, and an upper electrode which has a radial pattern with reference to the hole on a surface of the substrate.11-22-2012
20080271782Method of making a photovoltaic device or front substrate for use in same with scratch-resistant coating and resulting product - A method of making an anti-reflection coating using a sol-gel process, for use in a photovoltaic device or the like. The method may include the following steps in certain example embodiments: forming a polymeric component of silica by mixing silane(s) with one or more of a first solvent, a catalyst, and water; forming a silica sol gel by mixing the polymeric component with a colloidal silica, and optionally a second solvent; forming a combined sol by mixing siloxane(s) with the silica sol; casting the mixture by spin coating or the like to form a silica and siloxane containing layer on a substrate; and curing and/or heat treating the layer. This layer may make up all or only part of an anti-reflection coating which may be used in a photovoltaic device or the like.11-06-2008
20080271781Cis Type Thin-Film Solar Cell and Process for Producing the Same - This invention provides a CIS-based thin film solar battery and a process for producing the same in which the formation of an alkali barrier layer and a metal backside electrode layer is carried out at a low cost in a short time to prevent such an unfavorable phenomenon that a light absorbing layer is separated from the interface of the light absorbing layer and the metal backside electrode layer. The CIS-based thin film solar battery (11-06-2008
20110203653PHOTOVOLTAIC BUSS BAR SYSTEM - Disclosed is a warm window system and photovoltaic system that utilizes individual buss bars. The buss bars of the warm window system are placed within the space between an inside window pane and an outside window pane and creates sufficient physical force to create an electrical contact on the tin oxide layer on the inside surface of the inside pane of glass. The buss bars have a modulus of elasticity to ensure sufficient electrical contact with the tin oxide layer and the photovoltaic layer to prevent the formation of hot spots and securely hold the buss bars in place. Both a z buss bar and c buss bar are also disclosed that are capable of generating a sufficient amount of reactive force to create a secure electrical contact to minimize hotspots and to hold the buss bar in place. The buss bars provide a large contact surface area to provide sufficient electrical contact with the photovoltaic layer to prevent hot spots.08-25-2011
20100269900PHOTOVOLTAIC CELL FRONT FACE SUBSTRATE AND USE OF A SUBSTRATE FOR A PHOTOVOLTAIC CELL FRONT FACE - The invention relates to a photovoltaic cell (10-28-2010
20090114275METHOD FOR PRODUCTION OF NANOPOROUS ELECTRODES FOR PHOTOELECTROCHEMICAL APPLICATIONS - The invention relates to a two-step method for production of low temperature mechanically stable and electrically efficient nanoporous electrodes, in particular titania nanoporous electrodes, for photoelectrochemical applications. The method of the invention comprises electrophoretic deposition (EPD) of nanosize titania crystals from a stable suspension containing thereof on a conductive substrate, and formation of mechanical and electrical contact between them. The invention further relates to nanoporous electrodes obtained by this method and to dye sensitized solar cells (DSSCs) fabricated therefrom.05-07-2009
20100139763METHOD FOR PRODUCING AN EMITTER STRUCTURE AND EMITTER STRUCTURES RESULTING THEREFROM - A method for forming an emitter structure on a substrate and emitter structures resulting therefrom is disclosed. In one aspect, a method includes forming, on the substrate, a first layer comprising semiconductor material. The method also includes texturing a surface of the first layer, thereby forming a first emitter region from the first layer, wherein the first emitter region has a first textured surface. The method also includes forming a second emitter region at the first textured surface, the second emitter region having a second textured surface.06-10-2010
20100139762COMPOUND-TYPE THIN FILM, METHOD OF FORMING THE SAME, AND ELECTRONIC DEVICE USING THE SAME - An organometal material gas is supplied into a low electron temperature and high density plasma excited by microwaves to form a thin film of a compound on a substrate as a film forming object. In this case, the temperature of a supply system for the organometal material gas is controlled by taking advantage of the relationship between the vapor pressure and temperature of the organometal material gas.06-10-2010
20110005590Tandem Photoelectrochemical Cell for Water Dissociation - A tandem photoelectrochemical (PEC) cell including a nitride PEC semiconductor connected in series with a current matched photovoltaic (PV) Si solar cell that provides an internal biasing voltage. A low resistance tunnel junction is formed between the PEC semiconductor and PV cell. The tandem PEC cell is placed together with a counter electrode in contact with an aqueous solution, such that, when exposed to solar radiation, the PEC semiconductor utilizes high energy photons to split water while the PV cell utilizes low energy photons to bias the tandem PEC cell to eliminate the barrier between Fermi energy and redox potentials, thereby initiating the spontaneous dissociation of water in the aqueous solution into hydrogen and oxygen. The conduction band edge (CBE) for n-type PEC semiconductor is located in the vicinity of the Fermi stabilization energy to reduce the barriers for the charge transfer between the PEC semiconductor and the aqueous solution.01-13-2011
20110005586Electrochemical Deposition Methods for Fabricating Group IBIIIAVIA Compound Absorber Based Solar Cells - A method of forming a Group IBIIIAVIA absorber layer on a base for manufacturing a solar cell is provided. The method, in one embodiment, includes forming a precursor stack by electroplating a first metallic layer on the base. The first metallic layer includes at least one of copper, indium and gallium. A first selenium layer is deposited on the first metallic layer, and an interlayer is electrodeposited on the selenium layer. The interlayer includes one of gold and silver. A second metallic layer is electrodeposited on the interlayer, the second metallic layer comprising at least one of copper indium and gallium. The interlayer inhibits dissolution of selenium during the electrodeposition of the second metallic layer. Such prepared precursor stack is reacted at a temperature range of 300-600° C. to form the Group IBIIIAVIA absorber layer.01-13-2011
20110005589ASPHALTENE BASED PHOTOVOLTAIC DEVICES - Photovoltaic devices and methods of making the same, are disclosed herein. The cell comprises: a first electrically conductive layer; at least one photoelectrochemical layer comprising metal-oxide particles, an electrolyte solution, an asphaltene dye, and a second electrically conductive layer.01-13-2011
20110005588Photovoltaic Device and Manufacturing Method Thereof - A photovoltaic device with a low degradation rate and a high stability efficiency. In one aspect, the photovoltaic device includes: a substrate; a first electrode disposed on the substrate; at least one photoelectric transformation layer disposed on the first electrode, the photoelectric transformation layer including a light absorbing layer; and a second electrode disposed on the photoelectric transformation layer; wherein the light absorbing layer includes the first sub-layer and the second sub-layer, the first sub-layer including hydrogenated micro-crystalline silicon germanium (μc-SiGe:H) and an amorphous silicon germanium network (a-SiGe:H) formed among the hydrogenated micro-crystalline silicon germaniums, the second sub-layer including hydrogenated micro-crystalline silicon (μc-Si:H) and an amorphous silicon network (a-Si:H) formed among the hydrogenated micro-crystalline silicons.01-13-2011
20110005587MADE TO ELEMENTS CAPABLE OF COLLECTING LIGHT - A substrate (01-13-2011
20090188556Conductive inks - A conductive ink substantially free of frit and photovoltaic cells having conductive gridlines formed from a conductive ink substantially free of glass frit are described. Conductive inks according embodiments of the present invention are adapted to adhere to the surface of a substrate and, upon firing, form a solid metal oxide phase and cause a conductive species to form an electrical conductor on the substrate. In further embodiments, the conductive ink is capable of penetrating anti-reflection coatings disposed on surfaces of substrates. In accordance with one or more embodiments, the conductive inks include a plurality of metallo-organic components which form a solid metal oxide phase upon firing and a conductive species. In other embodiments, the conductive inks include a plurality of precursors, including one or more precursors which form conductive elements upon firing or heating.07-30-2009
20090114276METHODS AND APPARATUSES FOR IMPROVING POWER EXTRACTION FROM SOLAR CELLS - The field of the invention relates to minimization of resistive loss of solar panels in order to achieve maximum solar energy conversion efficiency, extracting more electricity power from available solar irradiance. Schemes are designed to take advantage of the geometrical and mechanical configurations of back contact solar cells to make better electrical contacts and connections so as to achieve maximum solar energy conversion efficiency and better power extraction.05-07-2009
20100139760Connection and Junction Box for a Solar Module - The invention relates to a connection and junction box (06-10-2010
20100139764Backside Contact Solar Cell With Formed Polysilicon Doped Regions - A solar cell includes abutting P-type and N-type doped regions in a contiguous portion of a polysilicon layer. The polysilicon layer may be formed on a thin dielectric layer, which is formed on a backside of a solar cell substrate (e.g., silicon wafer). The polysilicon layer has a relatively large average grain size to reduce or eliminate recombination in a space charge region between the P-type and N-type doped regions, thereby increasing efficiency.06-10-2010
20100139761DYE-SENSITIZED SOLAR CELL AND METHOD OF FABRICATING THE SAME - Provided are a dye-sensitized solar cell and a method of fabricating the same. The dye-sensitized solar cell includes a lower substrate, an upper substrate, a dielectric, a semiconductor electrode layer, a dye layer, and an electrolyte. The upper substrate is spaced from the lower substrate and has a light emitting surface facing a surface of the lower substrate and a light incident surface opposite to the light emitting surface. The dielectric is disposed on the surface of the lower substrate. The semiconductor electrode layer includes electrode dots disposed on the dielectric. The dye layer is disposed on surfaces of the electrode dots. The electrolyte is disposed between the lower substrate and the upper substrate.06-10-2010
20090188557Photonic Device And Method Of Making Same Using Nanowire Bramble Layer - A photonic device and a method of making the device employ a bramble layer of nanowires having an uneven contour. The photonic device and the method include a first layer of a microcrystalline material provided on a substrate surface and a bramble layer of nanowires formed on the first layer. The photonic device and the method further include a second layer provided on the bramble layer. The nanowires have first ends integral to crystallites in the microcrystalline first layer and second ends opposite to the first ends. Different angular orientations of the nanowires provide the uneven contour of the bramble layer. The second layer has an uneven surface corresponding to the uneven contour of the bramble layer.07-30-2009
20090188555Conductive Inks With Metallo-Organic Modifiers - A conductive ink having a glass frit, an organic medium a conductive species and one or more metallo-organic components which form metal oxides upon firing and reduce series resistance to a same or greater degree a ink that do not include metallo-organic components, is provided. Embodiments of conductive ink include metallo-organic components that include a bismuth metallo-organic component and glass frits comprising one or more of bismuth oxide, silica, boron oxide, tellurium dioxide, and combinations thereof. Embodiments of photovoltaic cells with an anti-reflection coating, gridlines formed from conductive ink incorporating one or more metallo-organic components, are also provided.07-30-2009
20090188554III-V Compound Semiconductor Solar Cell for Terrestrial Solar Array - A concentrator photovoltaic solar cell array for terrestrial use for generating electrical power from solar radiation including a multifunction III-V compound semiconductor solar cell with material composition and bandgaps to maximize absorption in the AM1.5 spectral region, and a thickness of one micron or greater so as to be able to produce in excess of 15 watts of DC power with conversion efficiency in excess of 37%. The aggregate surface area of the grid pattern covers approximately 2 to 5% of the top cell.07-30-2009
20110214730DYE-SENSITIZED SOLAR CELL - A dye-sensitized solar cell includes a first electrode, a second electrode, an electron-collector/dye layer, and an electron donor. The second electrode faces the first electrode. The electron-collector/dye layer provided on the first electrode includes an electron collector and dye. The electron collector includes first electron collector grains and second electron collector grains. The first electron collector grains have a diameter or diameters within a first diameter range and the second electron collector grains have a diameter or diameters within a second diameter range. A minimum value of the second diameter range is greater than a maximum value of the first diameter range. The electron donor is provided between the electron-collector/dye layer and the second electrode.09-08-2011
20080257407Photoactive Devices and Components with Enhanced Efficiency - Devices, compositions and methods for producing photoactive devices, systems and compositions that have improved conversion efficiencies relative to previously described devices, systems and compositions. This improved efficiency is generally obtained by one or both of improving the efficiency of light absorption into the photoactive component, and improving the efficiency of energy extraction from that active component.10-23-2008
20080257406Photoactive Devices and Components with Enhanced Efficiency - Devices, compositions and methods for producing photoactive devices, systems and compositions that have improved conversion efficiencies relative to previously described devices, systems and compositions. This improved efficiency is generally obtained by one or both of improving the efficiency of light absorption into the photoactive component, and improving the efficiency of energy extraction from that active component.10-23-2008
20080257405Multijunction solar cell with strained-balanced quantum well middle cell - A multijunction photovoltaic cell including a top subcell; a second subcell disposed immediately adjacent to the top subcell and producing a first photo-generated current; and including a sequence of first and second different semiconductor layers with different lattice constant; and a lower subcell disposed immediately adjacent to the second subcell and producing a second photo-generated current substantially equal in amount to the first photo-generated current density.10-23-2008
20100139755FRONT CONNECTED PHOTOVOLTAIC ASSEMBLY AND ASSOCIATED METHODS - A photovoltaic device is disclosed herein that, in various aspects, includes a conductive layer, and a substantially crystalline lamina with a first surface oriented toward the conductive layer and a second surface oriented away from the conductive layer. The lamina thickness is within the range between about 0.2 microns and about 50 microns. An aperture passes through the lamina from the first surface to the second surface. A connector in electrical communication with the conductive layer is disposed through the aperture. Methods of manufacture of the photovoltaic devise are also disclosed.06-10-2010
20100000602Photovoltaic Cell with Efficient Finger and Tab Layout - A photovoltaic cell has a photosensitive substrate, a plurality of fingers in ohmic contact with the substrate, and a plurality of pads on the substrate. The plurality of pads effectively form a plurality of discontinuous busbars. Two of the fingers extend from a first pad of the plurality of pads. Specifically, a given one of the two fingers (“given finger”) may connect with a second pad of the plurality of pads. This given finger may have an inter-pad portion between the first and second pads. The cell further has a tab at least partially covering the inter-pad portion of the given finger.01-07-2010
20090183769Solar Cell Having Nanostructure and Method for Preparing the Same - The present invention discloses a solar cell having a multi-layered nanostructure that is used to generate, transport, and collect electric charges. The multi-layered nanostructure comprises a cathode, a hole-blocking layer, a photo-active layer, and an anode. The hole-blocking layer is made of the material selected from the group consisting of the following: inorganic semiconducting material, metal oxide material and mixture of inorganic and metal oxide materials. The photo-active layer comprises a porous body and a conjugated polymer filler. The porous body is used as an electron acceptor while the conjugate polymer filler is as an electron donor. The conjugated polymer filler is formed in the pores of the porous body by in-situ polymerization. In addition, the invention discloses a method for preparing the solar cell having a multi-layered nanostructure.07-23-2009
20090183770CARBON NANOTUBE PATTERNING ON A METAL SUBSTRATE - A CNT electron source, a method of manufacturing a CNT electron source, and a solar cell utilizing a CNT patterned sculptured substrate are disclosed. Embodiments utilize a metal substrate which enables CNTs to be grown directly from the substrate. An inhibitor may be applied to the metal substrate to inhibit growth of CNTs from the metal substrate. The inhibitor may be precisely applied to the metal substrate in any pattern, thereby enabling the positioning of the CNT groupings to be more precisely controlled. The surface roughness of the metal substrate may be varied to control the density of the CNTs within each CNT grouping. Further, an absorber layer and an acceptor layer may be applied to the CNT electron source to form a solar cell, where a voltage potential may be generated between the acceptor layer and the metal substrate in response to sunlight exposure.07-23-2009
20120138139DRY ETCHING METHOD OF SURFACE TEXTURE FORMATION ON SILICON WAFER - Systems and methods for improving surface reflectance of silicon wafers are disclosed. The systems and methods improve surface reflectance by forming a textured surface on the silicon wafer by performing surface oxidation and dry etching processes. The surface oxidation maybe performed using a dry oxygen plasma process. A dry etch process is performed to remove the oxide layer formed by the surface oxidation step and etch the Silicon layer with oxide masking. Dry etching enables black silicon formation, which minimizes or eliminates light reflection or scattering, eventually leading to higher energy conversion efficiency.06-07-2012
20110220199Inkjet Ink - An inkjet ink comprises phosphoric acid; one or more solvents for the phosphoric acid, preferably ethyl lactate and water; and one or more aprotic organic sulfoxides, preferably dimethyl sulfoxide (DMSO) or dimethyl sulfone (SMSO09-15-2011
20090025785SOLAR CELL WITH FLEXIBLE SUBSTRATE - An exemplary solar cell includes a flexible substrate, a back metal contact layer, a P-type semiconductor layer, a P-N junction layer, an N-type semiconductor layer, and a front metal contact layer. The substrate is made of stainless steel. The back metal contact layer is formed on the substrate. The P-type semiconductor layer is formed on the back metal contact layer. The P-N junction layer is formed on the P-type semiconductor layer. The N-type semiconductor layer is formed on a P-N junction layer. The front metal contact layer is formed on the N-type semiconductor layer.01-29-2009
20090199898SOLAR CELL AND METHOD OF TEXTURING SOLAR CELL - A solar cell and a method of texturing a solar cell are disclosed. The method includes coating an ink containing metal particles on a surface of a substrate, drying the ink to attach the metal particles to the surface of the substrate, and differentially etching the surface of the substrate using the metal particles as a catalyst to form an uneven portion.08-13-2009
20090199897GLASS COMPOSITION AND ITS APPLICATIONS - A glass composition substantially free from lead and bismuth and containing vanadium oxide and phosphor oxide as main ingredients, wherein the sintered glass of the glass composition exhibits 1008-13-2009
20090320922Contact Fabrication of Emitter Wrap-Through Back Contact Silicon Solar Cells - Back contact solar cells including rear surface structures and methods for making same. The rear surface has small contact areas through at least one dielectric layer, including but not limited to a passivation layer, a nitride layer, a diffusion barrier, and/or a metallization barrier. The dielectric layer is preferably screen printed. Large grid areas overlay the dielectric layer. The methods provide for increasing efficiency by minimizing p-type contact areas and maximizing n-type doped regions on the rear surface of a p-type substrate.12-31-2009
20090320919Photoelectric conversion device - The present invention provides a photoelectric conversion device capable of improving conversion efficiency. The photoelectric conversion device includes a working electrode and a facing electrode, and a semi-solid electrolyte containing layer supported between the working electrode and the facing electrode. The electrolyte containing layer contains a particle, an organic solvent, and ionic liquid. An electron is efficiently injected from dye excited by absorbing light to a metal oxide semiconductor layer, and the electron quickly travels from the metal oxide semiconductor layer to an external circuit in comparison with the case where the electrolyte containing layer does not contain the organic solvent.12-31-2009
20090320918Photoelectric conversion device - The present invention provides a photoelectric conversion device capable of improving durability without using particular material. The photoelectric conversion device includes a working electrode in which dye is carried by a metal oxide semiconductor layer and a facing electrode having a conductive layer, and a semi-solid electrolyte containing layer supported between the working electrode and the facing electrode. The electrolyte containing layer contains an electrolyte solution in which a solid electrolyte salt is dissolved in an organic solvent, and a particle. Thereby, liquid leakage or the like hardly occurs even under a high-temperature environment in comparison with the case where the electrolyte containing layer does not contain a particle.12-31-2009
20090320916Techniques for Enhancing Performance of Photovoltaic Devices - Techniques for improving energy conversion efficiency in photovoltaic devices are provided. In one aspect, an antimony (Sb)-doped film represented by the formula, Cu12-31-2009
20090314341SIMPLIFIED BACK CONTACT FOR POLYSILICON EMITTER SOLAR CELLS - The present invention relates to forming contacts for solar cells. According to one aspect, an interdigitated back contact (IBC) cell design according to the invention requires only one patterning step to form the interdigitated junctions (vs. two for alternate designs). According to another aspect, the back contact structure includes a silicon nitride or a nitrided tunnel dielectric. This acts as a diffusion barrier, so that the properties of the tunnel dielectric can be maintained during a high temperature process step, and boron diffusion through the tunnel dielectric can be prevented. According to another aspect, the process for forming the back contacts requires no deep drive-in diffusions.12-24-2009
20090314339DYE-SENSITIZED SOLAR CELL AND PROCESS FOR PRODUCING THE SAME - A dye-sensitized solar cell is provided, wherein it can be produced by a relatively easy and simple process and ensures high conversion efficiency even in cases where the thickness of the porous semiconductor layer is increased. The dye-sensitized solar cell 12-24-2009
20090314340POLYMER-BASED SOLAR CELL - Described are processes for enlarging the surface area of a polymer-based solar cell relative to a flat surface and/or for enlarging the active surface area of the organic semiconductor layer of the solar cell in relation to a flat surface. There is further described a polymer-based solar cell (12-24-2009
20090314344Solar Cell Production Using Non-Contact Patterning And Direct-Write Metallization - Photovoltaic devices (i.e., solar cells) are formed using non-contact patterning apparatus (e.g., a laser-based patterning systems) to define contact openings through a passivation layer, and direct-write metallization apparatus (e.g., an inkjet-type printing or extrusion-type deposition apparatus) to deposit metallization into the contact openings and over the passivation surface. The metallization includes two portions: a contact (e.g., silicide-producing) material is deposited into the contact openings, then a highly conductive metal is deposited on the contact material and between the contact holes. The device wafers are transported between the patterning and metallization apparatus in hard tooled registration using a conveyor mechanism. Optional sensors are utilized to align the patterning and metallization apparatus to the contact openings. An extrusion-type apparatus is used to form grid lines having a high aspect central metal line that is supported on each side by a transparent material.12-24-2009
20090314343PV MODULE AND METHOD FOR MANUFACTURING PV MODULE - Provided is a photovoltaic (PV) module by which electric power generation efficiency can be improved by improving light use rate. An encapsulant (12-24-2009
20120067417SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell containing an electrode, wherein the electrode is formed by firing a conductive paste, wherein the conductive paste includes an organic binder, a solvent, conductive particles, glass frits and a compound containing Al, Ga, In or Tl. A method for producing a solar cell by forming an electrode by firing a conductive paste, wherein the conductive paste includes an organic binder, a solvent, conductive particles, glass frits and a compound containing Al, Ga, In or Tl.03-22-2012
20120067416Photovoltaic Device - Disclosed is a photovoltaic device that includes: a substrate; a first electrode disposed on the substrate; a photoelectric transformation layer disposed on the first electrode, the photoelectric transformation layer comprising a light absorbing layer which comprises at least one pair of an intrinsic first sub-layer and an intrinsic second sub-layer, each of which comprises hydrogenated amorphous silicon and hydrogenated proto-crystalline silicon; and a second electrode disposed on the photoelectric transformation layer; wherein a thickness ratio between the first sub-layer and the second sub-layer in each of the pair is constant.03-22-2012
20120067415GLASS COMPOSITION, ELECTRICALLY CONDUCTIVE PASTE COMPOSITION COMPRISING SAME, ELECTRODE WIRING MEMBER, AND ELCTRONIC COMPONENT - A glass composition according to the present invention comprises: phosphorus, vanadium and at least one transition metal selected from a group consisting of tungsten, iron, and manganese, the glass composition not containing substances included in the JIG level A and B lists, a softening point of the glass composition being 550° C. or lower.03-22-2012
20120067414CdZnO OR SnZnO BUFFER LAYER FOR SOLAR CELL - A structure for use in a photovoltaic device is disclosed, the structure includes a substrate, a buffer material, a barrier material in contact with the substrate; and a transparent conductive oxide between the buffer material and the barrier material. The buffer material comprises at least one of CdZnO and SnZnO. The structure can be included in a photovoltaic device. Methods for forming the structure are also disclosed.03-22-2012
20120067413SOLAR CELLS AND METHODS OF FORMING THE SAME - Provided are solar cells and methods of forming the same. The solar cell includes an anti-reflection layer on a substrate, a first electrode on the anti-reflection layer, a photo-electro conversion layer on the first electrode, and a second electrode on the photo-electro conversion layer.03-22-2012
20090044857Dye-Sensitized Photoelectric Conversion Device - Disclosed is a photoelectric conversion device wherein a methine dye represented by the formula (1) below is supported by a thin film of oxide semiconductor particles arranged on a substrate. Also disclosed is a solar cell manufactured by using such a photoelectric conversion device.02-19-2009
20110220198Method and Device Utilizing Strained AZO Layer and Interfacial Fermi Level Pinning in Bifacial Thin Film PV Cells - A method for forming a bifacial thin film photovoltaic cell includes providing a glass substrate having a surface region covered by an intermediate layer and forming a thin film photovoltaic cell on the surface region. Additionally, the thin film photovoltaic cell includes an anode overlying the intermediate layer, an absorber over the anode, and a window layer and cathode over the absorber mediated by a buffer layer. The anode comprises an aluminum doped zinc oxide (AZO) layer forming a first interface with the intermediate layer and a second interface with the absorber. The AZO layer is configured to induce Fermi level pinning at the first interface and a strain field from the first interface to the second interface.09-15-2011
20110220197PHOTOVOLTAIC DEVICE INCLUDING FLEXIBLE SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a photovoltaic device. The photovoltaic device includes: a flexible substrate; a first electrode and a second electrode located over the flexible substrate; and at least one unit cell located between the first electrode and the second electrode, wherein the first electrode includes a transparent conductive oxide layer, wherein a texturing structure is formed on the transparent conductive oxide layer, and wherein a ratio of a root mean square (rms) roughness to an average pitch of the texturing structure is equal to or more than 0.05 and equal to or less than 0.13.09-15-2011
20110220196LEAD WIRE FOR SOLAR CELL, MANUFACTURING METHOD AND STORAGE METHOD THEREOF, AND SOLAR CELL - Disclosed is a lead wire for a solar cell having excellent bondability with a solar cell. The solar cell lead wire (09-15-2011
20110220194LIGHT CONVERSION EFFICIENCY-ENHANCED SOLAR CELL FABRICATED WITH DOWNSHIFTING NANOMATERIAL - The light conversion efficiency of a solar cell (09-15-2011
20110139233QUANTUM DOT SOLAR CELL - Quantum dot solar cells with enhanced efficiency are disclosed. An example solar cell includes an electron conductor layer, a quantum dot layer and a hole conductor layer. The electron conductor layer may include a plurality of nanoparticles having an average outer dimension that is greater than about 25 nanometers. The hole conductor layer may include an electrolytic salt, and/or a low surface tension solvent, as desired.06-16-2011
20090050200SOLAR CELL - A solar cell includes a back metal-contact layer, a P-type semiconductor layer, a P-N junction layer, an N-type semiconductor layer, and a transparent electrically conductive layer. The P-type semiconductor layer is formed on the back metal-contact layer. The P-N junction layer is formed on the P-type semiconductor layer. The N-type semiconductor layer is formed on the P-N junction layer. The transparent electrically conductive layer is formed on the N-type semiconductor layer. The transparent electrically conductive layer functions as a front contact layer, and has a basic film and a plurality of photocatalyst nano-particles dispersed in the basic film.02-26-2009
20090188553Methods of fabricating solar-cell structures and resulting solar-cell structures - Embodiments of the invention relate to methods of fabricating solar-cell structures and resulting solar-cell structures. In one embodiment of a method of fabricating a solar-cell structure, a substrate including a front surface and an opposing back surface is provided. A porous-silicon layer may be electrochemically formed from a portion of the substrate that extends inwardly from the front surface. A portion of the porous-silicon layer may be electrochemically passivated. Metallic material may be plated to form at least a portion of each of a plurality of electrical contacts that are in electrical contact with the substrate. In a method according to another embodiment of the invention, the porous-silicon layer may used to getter impurities present in the substrate. In such an embodiment, the porous-silicon layer may be removed after gettering.07-30-2009
20090050199SEMICONDUCTING POLYMER FILMS WITH FIXED ELECTRONIC JUNCTIONS - A polymer film having fixed electronic junctions; devices that include the film; and methods for making and using the film.02-26-2009
20110226321TITANIUM DIOXIDE NANO PARTICLE MODIFIED BY SURFACE STABILIZER, TITANIUM DIOXIDE NANO INK COMPRISING THE SAME, SOLAR CELL EMPLOYING THE SAME, AND PRODUCING METHOD OF THE SAME - Disclosed are a titanium dioxide nano ink having such a strong dispersibility as to be applicable by inkjet printing and having adequate viscosity without requiring printing several times, and a titanium dioxide nano particle modified by a surface stabilizer included therein. Inkjet printing of the titanium dioxide nano ink enables printing of a minute electrode. In addition, efficiency of a solar cell may be maximized since occurrence of pattern cracking is minimized.09-22-2011
20090165849TRANSPARENT SOLAR CELL MODULE - A transparent solar cell module including a transparent solar cell and an optical filter is provided. The transparent solar cell includes a transparent substrate and a transparent solar cell part located on a first surface of the transparen substrate. The optical filter is located on the transparent solar cell.07-02-2009
20090101205PROCESS FOR PREPARING A RUBBER COMPOSITION, RUBBER COMPOSITION OBTAINED THEREFROM, AND USE THEREOF - The present invention pertains to a process for preparing a rubber precursor or a rubber composition comprising a modified inorganic oxygen-containing particulate material comprising the steps of: a) preparing a mixture of the modified inorganic oxygen-containing particulate material and a first solvent; and b1) adding the mixture to a rubber precursor comprising at least one polymer and optionally a second solvent; or b2) adding the mixture to a rubber composition comprising at least one monomer of a rubber precursor and optionally a second solvent, and polymerising the monomer(s) to form the rubber precursor; c) optionally cross-linking the rubber precursor in the presence of a cross-linking agent to form a rubber composition; and d) optionally removing the first and/or second solvents before, during or after any of the steps b1), b2), and c). The invention further pertains to rubber compositions comprising rubber and inorganic oxygen-containing particulate material modified with a coupling agent.04-23-2009
20090101204PHOTOVOLTAIC LAMINATED MODULE BACKSHEET, FILMS AND COATINGS FOR USE IN MODULE BACKSHEET, AND PROCESSES FOR MAKING THE SAME - Improved photovoltaic module backsheets, and processes for making the same, are disclosed, including paper and polymer films for use in photovoltaic laminated modules. The present disclosure provides electrical insulation paper and one or more coatings or resin laminates having improved material properties, such as improved thermal and humidity performance, for use as backsheet materials in photovoltaic modules.04-23-2009
20100018576SOLAR CELL - A solar cell is disclosed. The solar cell includes a semiconductor substrate on which a p-n junction is formed, a first electrode contacting a first conductive type semiconductor of the semiconductor substrate, a second electrode contacting a semiconductor of a second conductive type opposite the first conductive type, a plurality of first projections on a light receiving surface of the semiconductor substrate, and at least one second projection inside each of the plurality of first projections. A height of the second projection is less than a height of the first projection.01-28-2010
20090084436Effective organic solar cells based on triplet materials - A photovoltaic device has a first electrode, a second electrode spaced apart from the first electrode, and a layer of light responsive material disposed between the first electrode and the second electrode. The layer of light responsive material includes a material that has a triplet exciton state which can be excited by incident electromagnetic radiation to provide collectable free charged particles at one of the first and second electrodes.04-02-2009
20090084439TCO-based hybrid solar photovoltaic energy conversion apparatus - The invention relates to a solar photovoltaic energy conversion apparatus. The apparatus consists of a substrate, a buffer layer formed on the substrate layer, a first transparent conductive oxide layer formed on the buffer layer, periodic protrusions containing first silicon layers formed on the first transparent conductive oxide layer, second silicon layers formed on the first silicon layers, a second transparent conductive oxide layer covering the first silicon layers, the second silicon layers and the first transparent conductive oxide layer, and an anti-reflective protective layer. The first silicon layer and the second silicon layer are the electrodes with the opposite type of charge carriers. The first transparent conductive layer and the second transparent conductive layer are the electrodes with the opposite type of charge carriers. This TCO-based hybrid solar photovoltaic energy conversion device not only can allow the transmission of visible sunlight but also can enhance the photovoltaic energy.04-02-2009
20090084438Front electrode for use in photovoltaic device and method of making same - This invention relates to a front electrode/contact for use in an electronic device such as a photovoltaic device. In certain example embodiments, the front electrode of a photovoltaic device or the like includes a multilayer coating including at least one transparent conductive oxide (TCO) layer (e.g., of or including a material such as tin oxide, ITO, zinc oxide, or the like) and/or at least one conductive substantially metallic IR reflecting layer (e.g., based on silver, gold, or the like). In certain example instances, the multilayer front electrode coating may include one or more conductive metal(s) oxide layer(s) and/or one or more conductive substantially metallic IR reflecting layer(s) in order to provide for reduced visible light reflection, increased conductivity, cheaper manufacturability, and/or increased infrared (IR) reflection capability.04-02-2009
20090084437SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - Imperfect filling sometimes occurs when a conductive material is filled into a through-hole formed on a solar cell. A method of manufacturing a solar cell of the invention employs a support wherein a conductive material is filled into a through-hole. Accordingly, it is possible to suppress occurrence of imperfect filling and thereby provide a method of manufacturing a solar cell with enhanced reliability. Moreover, a flat surface is provided on a solar cell of the present invention when a connector electrode is formed on a through-hole and this enables enhanced connection reliability.04-02-2009
20110139241SOLAR CELL AND METHOD FOR PRODUCING A SOLAR CELL - A solar cell and to a method for producing a solar cell is provided. The solar cell includes a semi-conductor substrate with doped regions (06-16-2011
20110139236SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a solar cell includes forming a textured surface at a surface of a substrate of a first conductivity type using a dry etching method, the textured surface having a plurality of jagged portions, forming a doping pattern by applying a doping material containing an impurity of a second conductivity type on a portion of the textured surface, forming an emitter region by doping the impurity of the second conductive type into the substrate to form a first emitter portion and a second emitter portion having a different impurity doped concentration from each other, forming an anti-reflection layer on the first emitter portion and the second emitter portion, and forming a first electrode connected to the second emitter portion and a second electrode connected to the substrate.06-16-2011
20110139235CADMIUM TELLURIDE THIN FILM PHOTVOLTAIC DEVICES AND METHODS OF MANUFACTURING THE SAME - Methods for manufacturing a cadmium telluride based thin film photovoltaic device are generally disclosed. The method can include sputtering a resistive transparent layer on a transparent conductive oxide layer from an alloy target including zinc from about 5% by weight and about 33% by weight and tin. The method can also include forming a cadmium sulfide layer on the resistive transparent layer, forming a cadmium telluride layer on the cadmium sulfide layer, and forming a back contact layer on the cadmium telluride layer. Cadmium telluride thin film photovoltaic devices are also generally disclosed including a resistive transparent layer having a mixture of zinc oxide and tin oxide having a zinc oxide concentration between about 5% and about 33% by mole fraction.06-16-2011
20110226329SOLAR CELL ELECTRODE - A p-type electrode on p09-22-2011
20110226324System for the Production of Single Crystal Semiconductors and Solar Panels Using the Single Crystal Semiconductors - A process and the required technical arrangement has been developed to produce single crystal solar panels or otherwise used semiconductors, which starts with the raw material to produce single crystal copper ribbons, extruded directly from the melt, with unharmed and optical surfaces onto which in the next unit a silicon or germanium film will be deposited. In the next unit the copper ribbon will be removed from the silicon film, whilst a hard plastic support or ceramic support is mounted, leaving copper contours on the silicon film to be used as electrical conductors or contacts. In the next unit a thin film is deposited of II-VI-compounds that enhance the infrared sensitivity of the base film of silicon or germanium up to 56% of the incoming light. This technology guarantees the lowest possible cost in production of the highest possible efficiency of materials for infrared applications and also for electronic applications.09-22-2011
20110139239SOLAR CELL - A solar cell includes a substrate having a textured surface, the textured surface including a plurality of jagged portions; an emitter region forming a p-n junction with the substrate; a plurality of first electrodes connected to the emitter region; and a second electrode connected to the substrate, wherein each of the plurality of jagged portions has a diameter and a height that are equal to or less than 1 μm, and each of the plurality of first electrodes has a width of about 20 μm to about 80 μm.06-16-2011
20120192939HETEROJUNCTION WIRE ARRAY SOLAR CELLS - This disclosure relates to structures for the conversion of light into energy. More specifically, the disclosure describes devices for conversion of light to electricity using ordered arrays of semiconductor wires coated in a wider band-gap material.08-02-2012
20110226327SOLAR CELL MODULE AND FABRICATING METHOD THEREOF - A solar cell module includes a substrate, a first electrode layer, an active layer, a second electrode layer and a plurality of reflective layers. The first electrode layer is disposed on the substrate. The active layer is disposed on the first electrode layer. The second electrode layer is disposed on the active layer. The reflective layers are coated respectively on the second electrode layer.09-22-2011
20110226328SOLAR CELL ELECTRODE - A p-type electrode on p09-22-2011
20110226326SILICON SUBSTRATE FOR SOLAR BATTERY, MANUFACTURING APPARATUS THEREOF, MANUFACTURING METHOD THEREOF, AND SOLAR BATTERY - The present invention relates to a silicon substrate 09-22-2011
20110186123SUBSTRATE WITH INSULATION LAYER AND THIN-FILM SOLAR CELL - A substrate with an insulation layer has at least one metal base and an insulation layer. The insulation layer is laminated on a surface of the metal base. A linear thermal expansion coefficient of a material that constitutes the insulation layer is 8 ppm/K or less, and a linear thermal expansion coefficient of a material that constitutes the metal base is 17 ppm/K or more. The linear thermal expansion coefficient on the front surface of the insulation layer on a side opposite to the metal base is 6-15 ppm/K.08-04-2011
20110186122SOLAR CELL - A solar cell is discussed. The solar cell includes a substrate, a photoelectric transformation unit including at least one semiconductor layer, a transparent electrode positioned between the substrate and the photoelectric transformation unit, and a buffer layer positioned between the transparent electrode and the substrate. The photoelectric transformation unit includes at least one p-type semiconductor layer, at least one n-type semiconductor layer, and at least one i-type semiconductor layer.08-04-2011
20110186119Light-trapping plasmonic back reflector design for solar cells - A solar cell includes a nano-scale patterned back contact layer; a spacer layer on the nano-scale patterned back contact layer; a semiconductor layer on the spacer layer; and a light transmissive first electrode on the semiconductor layer.08-04-2011
20110186118METHOD OF DOPING IMPURITIES, METHOD OF MANUFACTURING A SOLAR CELL USING THE METHOD AND SOLAR CELL MANUFACTURED BY USING THE METHOD - There are provided a method of doping impurities, a method of manufacturing a solar cell, and a solar cell. In the doping method, a diffusion protective pattern having at least one opening is formed on a substrate that contains a first area and a second area. A first dopant is doped in the first area by using a first mask to form a first doped pattern. A second dopant is doped in the second area by using a second mask to form a second doped pattern. The first dopant and the second dopant may be doped in neighboring first and second areas, respectively, without creating a short circuit by using the first mask, the second mask, and the diffusion protective pattern.08-04-2011
20090211634QUANTUM DOT SOLAR CELL - A solar cell may include a quantum dot and an electron conductor. A bifunctional ligand may be disposed between the quantum dot and the electron conductor. The ligand molecule may include an electron conductor anchor that bonds to the electron conductor and a first quantum dot anchor that bonds to the quantum dot. A hole conductor such as a conductive polymer may include a second quantum dot anchor.08-27-2009
20090211632PHOTOVOLTAIC DEVICE BASED ON CONFORMAL COATING OF COLUMNAR STRUCTURES - A photovoltaic device, comprises a first electrode, an electron donor layer in electrical contact with the first electrode, an electron acceptor layer in contact with the electron donor layer across an interface having a shape defined by a columnar structure grown by oblique angle deposition, and a second electrode in electrical contact with the electron acceptor layer.08-27-2009
20090250104Dye-Sensitized Photoelectric Conversion Device and Method for Manufacturing Same - Disclosed is a photoelectric conversion device comprising a first conductive support having a layer containing a semiconductor, a second conductive support arranged opposite to the first conductive support and having a counter electrode, and a charge transfer layer interposed between the first conductive support and the second conductive support at a certain distance from the supports, and a sealing agent which is arranged around the charge transfer layer in the form of a single or more than single layer for bonding the first conductive support and the second conductive support together.10-08-2009
20090272433Functional Device and Method for Making the Same - To provide a functional device suitable for dye-sensitized solar cells and the like and having a structure suited for thickness reduction, and a method for making the same with good productivity. A dye-sensitized photovoltaic device 11-05-2009
20090250108SILICON CARBIDE FOR CRYSTALLINE SILICON SOLAR CELL SURFACE PASSIVATION - Embodiments of the present invention generally provide methods for depositing a silicon carbide (SiC) passivation layer that may act as a high-quality passivation layer for solar cells. Embodiments of the invention also provide methods for depositing a silicon carbide/silicon oxide passivation layer that acts as a high-quality rear surface passivation layer for solar cells. The methods described herein enable the use of deposition systems configured for processing large-area substrates for solar cell processing. According to embodiments of the invention, a SiC passivation layer may be formed with improved minority carrier lifetime measurements. The SiC passivation layer may be formed at a temperature between about 150° C. and 450° C., which is much lower than temperatures for thermal oxide passivation.10-08-2009
20090250107PHOTOVOLTAIC DEVICE - A photovoltaic device includes a substrate, a first electrode and a carbon nanotube structure. The substrate has a front surface and a rear surface. The carbon nanotube structure is disposed on the front surface of the substrate. The first electrode is disposed on the rear surface of the substrate.10-08-2009
20090139570SOLAR CELL AND A MANUFACTURING METHOD OF THE SOLAR CELL - The manufacturing method of the solar cell according to the present invention includes: 1) a first etching process in which an anisotropic etching is performed on an inner wall of each of a plurality of through holes, and 2) a second etching process in which an anisotropic etching is performed on a light-receiving surface. In the first etching process, a high concentration NaOH water solution (about 5% by weight) is used. Meanwhile, in the second etching process, a low concentration (about 1.5% by weight) NaOH water solution is used.06-04-2009
20090139568Crystalline Solar Cell Metallization Methods - Embodiments of the invention contemplate formation of a low cost solar cell using novel methods and apparatus to form a metal contact structure. The method generally uses a conductive contact layer that enables formation of a good electrical contact to the solar cell device. In one case, the contact layer is a nickel containing layer. Various deposition techniques may be used to form the metal contact structure.06-04-2009
20090139569Method of manufacturing photoelectric conversion device, and photoelectric conversion device - Provided is a method of manufacturing a photoelectric conversion device capable of maintaining a durability and improving initial characteristics. A dye-sensitized photoelectric conversion device including a working electrode and a facing electrode, and an electrolyte inclusion is manufactured. First, a facing electrode in which a dye is carried by a metal oxide semiconductor layer having a porous structure, and a facing electrode are manufactured. Next, the working electrode and the facing electrode are stuck together so as to have a predetermined space in between. A low-viscosity liquid is injected between the working electrode and the facing electrode and impregnated into the porous structure. Then, the high-viscosity material is injected and the electrolyte is adjusted so as to form the electrolyte inclusion. Even if the viscosity of the electrolyte is high, an electrolytic salt is quickly dispersed into the porous structure.06-04-2009
20090139567CONFORMAL PROTECTIVE COATING FOR SOLAR PANEL - A multilayer conformal coating is optimized in both composition and geometry to protect the back and sides of a transparent-fronted thin-film solar photovoltaic panel or similar device from various damage mechanisms associated with long-term outdoor exposure without an additional backcap or edge frame. A “barrier stack” or “barrier layer” of inorganic moisture-barrier and chemical-barrier layers is applied to the back of the photovoltaic functional film stack, extending into a bare-substrate border zone around the functional stack edges. The barrier stack shields the functional stack from moisture and chemical invasion, and the coated border zone effectively seals the vulnerable edges of the functional stack. An “envelope stack” or “envelope layer” of thicker polymer films is applied over the mechanically delicate inorganic barrier stack and around the solar photovoltaic panel edges. The envelope stack electrically insulates the solar photovoltaic panel and substantially protects the panel back and sides from mechanical shock, stress, and abrasion, thermal stress, fire, weathering, and UV-exposure degradation.06-04-2009
20090260683QUANTUM DOT SOLAR CELL - A solar cell including a quantum dot and an electron conductor, with a bifunctional ligand disposed between the quantum dot and the electron conductor. The bifunctional ligand molecule may include an electron conductor anchor that bonds to the electron conductor and a first quantum dot anchor that bonds to the quantum dot. A hole conductor such as a conductive polymer may include a second quantum dot anchor. In some instances, the first quantum dot may include selenium.10-22-2009
20090242025Thin film type solar cell, and method for manufacturing the same - A thin film type solar cell and a method for manufacturing the same is disclosed, wherein the thin film type solar cell comprises a substrate; a plurality of front electrodes formed on the substrate at fixed intervals by each first separating channel interposed in-between; a semiconductor layer formed on the front electrodes, the semiconductor layer having a contact portion therein; and a plurality of rear electrodes formed at fixed intervals by each second separating channel interposed in-between, and electrically connected with the front electrode through the contact portion, wherein the rear electrode is comprised of a first rear electrode and a plurality of second rear electrodes branching from the first rear electrode, wherein the first rear electrode is formed along a first direction, and the plurality of second rear electrodes extend from the first rear electrode and are arranged at a second direction which is different from the first direction, so that it is possible to obtain a predetermined visible range by transmitting the solar ray through the portion between each of the second rear electrodes.10-01-2009
20090242024PHOTOVOLTAICS WITH INTERFEROMETRIC BACK SIDE MASKS - An interferometric mask covers reflective conductors on the back side of a photovoltaic device. Such an interferometric mask may reduce reflections of incident light from the conductors. In various embodiments, the mask reduces reflections, so that a front and back electrode pattern appears black or similar in color to surrounding features of the device. In other embodiments, the mask may modulate reflections of light such that the electrode pattern matches a color in the visible spectrum.10-01-2009
20090242023SYSTEM AND METHOD FOR PRODUCING A SOLAR CELL ARRAY - A method for soldering at least one substantially large terminal of a high power electrical component to a substantially large area contact surface includes depositing soldering material on the substantially large area contact surface according to a protruding pattern and placing the at least one substantially large terminal on the deposited soldering material. The at least one substantially large terminal, the soldering material and the substantially large area contact surface are heated according to a predetermined heating profile. The protruding pattern defines a plurality of passages leading toward the perimeter of the substantially large contact surface. The area of the at least one terminal substantially overlaps with a portion of the substantially large area contact surface, and the passages provide discharge of gas, entrapped between the soldering material and the at least one substantially large terminal, toward the perimeter, to produce a substantially void free solid soldering material.10-01-2009
20100175751Dilute Group III-V Nitride Intermediate Band Solar Cells with Contact Blocking Layers - An intermediate band solar cell (IBSC) is provided including a p-n junction based on dilute III-V nitride materials and a pair of contact blocking layers positioned on opposite surfaces of the p-n junction for electrically isolating the intermediate band of the p-n junction by blocking the charge transport in the intermediate band without affecting the electron and hole collection efficiency of the p-n junction, thereby increasing open circuit voltage (V07-15-2010
20100175747Multilayer photovoltaic electric energy generating compound and process for its preparation and application - A multilayer photovoltaic compound to be applied to outer surfaces of any movable and/or stationary support for absorption and conversion of light radiation into electrical energy comprising, in the following order, at least one first layer (07-15-2010
20100175754PASTE FOR SOLAR CELL ELECTRODES, METHOD FOR THE MANUFACTURE OF SOLAR CELL ELECTRODES, AND THE SOLAR CELL - Disclosed is an electrically conducting paste comprising a silver powder, a glass frit, a resin binder and a sintering inhibitor. The paste is used in the manufacture of solar cell electrodes by applying the electrically conducting paste to a substrate and then firing of the coated substrate.07-15-2010
20090255579Converter of Electromagnetic Radiation - The invention relates to converters of the energy of electromagnetic radiation to electrical energy and may be used in the production of solar photocells. The converter according to the invention contains at least one photosensitive layer that achieves the generation of a photocurrent through the absorption of electromagnetic radiation, as well as collector electrodes. At the same time, the converter also contains metallic nanoparticles, the size of which is on the order of, or less than, the wavelength in the maximum of the spectrum of the incident radiation, that achieve the concentration of the incident radiation in the near-field around the nanoparticles and the generation of a photocurrent through the absorption of said radiation. Intensification of the photocurrent and enhancement of the efficiency of the converter are achieved as a result.10-15-2009
20120192943FABRICATION METHOD FOR LOCAL BACK CONTACT PHOTOVOLTAIC CELLS - A method is disclosed for fabricating a photovoltaic cell comprising local back contacts. In one aspect, the method includes providing a silicon substrate, depositing a surface passivation layer at a rear side of the silicon substrate, forming delaminated regions or bubbles at an interface between the surface passivation layer and the silicon substrate, depositing a metal layer on the surface passivation layer, and performing a metal firing.08-02-2012
20120192942SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell and a method for manufacturing the same are discussed. The solar cell includes a semiconductor substrate containing first impurities of a first conductive type, an anti-reflection layer which is positioned on the semiconductor substrate and has a fixed charge of the first conductive type, an ohmic contact region in which second impurities of a second conductive type different from the first conductive type of the first impurities of the semiconductor substrate are selectively positioned at the semiconductor substrate, a plurality of first electrodes which are positioned on the ohmic contact region and are connected to the ohmic contact region, and a second electrode connected to the semiconductor substrate.08-02-2012
20120192941BARRIER AND PLANARIZATION LAYER FOR THIN-FILM PHOTOVOLTAIC CELL - Thin film photovoltaic cells and methods of manufacturing such cells that include one or more diffusion barrier layers configured to provide a relatively smooth growth surface for subsequent deposition of a p-type semiconductor layer. Diffusion barrier layers according to the present teachings may be amorphous, microcrystalline or nanocrystalline layers of materials including molybdenum, conductive oxides, conductive nitrides, conductive carbides, or mixtures thereof. In some cases a diffusion barrier layer may be configured to have surface roughness less than a predetermined threshold value.08-02-2012
20120192937THIN FILM STRUCTURE FOR PHOTOVOLTAIC APPLICATIONS - A thin film structure for photovoltaic applications includes a biaxially textured metal substrate; a seed layer epitaxially disposed on the metal substrate; a barrier layer comprising SrTiO08-02-2012
20090255578Plasma-treated photovoltaic devices - A method of manufacturing a thin film photovoltaic device includes depositing a first compound semiconductor layer on a substrate and exposing the device to plasma, the plasma treating the layer.10-15-2009
20090260685SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the same are provided. The solar cell includes a semiconductor unit, an electrode, and a passivation layer between the semiconductor unit and the electrode. The passivation layer includes a first layer containing silicon oxide (SiO10-22-2009
20090260681SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a solar cell and a method for manufacturing the same. More specifically, the present invention provides a silicon solar cell capable of minimizing defects and recombination of electrons-holes by removing a damaged layer formed by a laser edge isolation process to isolate a silicon substrate and covering a protective layer on a surface thereof and a method for manufacturing the same.10-22-2009
20090260682QUANTUM DOT SOLAR CELL - A solar cell is disclosed that includes an electron conductor layer and a quantum dot layer. The quantum dot layer may include a plurality of quantum dots. A bridge layer may be coupled to the electron conductor layer and to the quantum dot layer. The bridge layer may include an antibiotic, a sulfur-containing amino acid, a vitamin, and/or a vitamin analogue. In some cases, a hole conductor layer may be coupled to the quantum dot layer.10-22-2009
20080308151Front electrode for use in photovoltaic device and method of making same - This invention relates to a front electrode/contact for use in an electronic device such as a photovoltaic device. In certain example embodiments, the front electrode of a photovoltaic device or the like includes a multilayer coating including at least one transparent conductive oxide (TCO) layer (e.g., of or including a material such as tin oxide, ITO, zinc oxide, or the like) and/or at least one conductive substantially metallic IR reflecting layer (e.g., based on silver, gold, or the like). In certain example instances, the multilayer front electrode coating may include one or more conductive metal(s) oxide layer(s) and one or more conductive substantially metallic IR reflecting layer(s) in order to provide for reduced visible light reflection, increased conductivity, cheaper manufacturability, and/or increased infrared (IR) reflection capability. In certain example embodiments, the front electrode acts as not only a transparent conductive front contact/electrode but also a short pass filter that allows an increased amount of photons having high energy (such as in visible and near infra-red regions of the spectrum) into the active region or absorber of the photovoltaic device.12-18-2008
20100012183Thin Film Solar Cell Having Photo-Luminescent Medium Coated Therein And Method For Fabricating The Same - A thin film solar cell having a photo-luminescent medium coated therein and a method for fabricating the same are provided. The thin film solar cell at least includes a transparent layer, a front electrode layer, a photoconductive layer, and a back electrode layer, which are sequentially stacked in that order from a light incident surface of the thin film solar cell. The transparent layer is a cover glass or a transparent substrate. The thin film solar cell further includes a photo-luminescent medium disposed on outer surface or inner surface of the transparent layer for absorbing the rest short wavelength light contained in the incident light and is then excited to emit a long wavelength light which can be effectively absorbed by the photoconductive layer. In such a way, the spectrum of the incident light is shifted, and thus an improved energy conversion efficiency is achieved.01-21-2010
20100263722SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - The invention provides a solar cell of increased manufacturing productivity. An aspect of the invention provides a solar cell that comprises a semiconductor substrate having a light-receiving surface and a back surface disposed at the opposite side from the light-receiving surface; a n-type semiconductor region and a p-type semiconductor region both formed on the back surface; and a protection layer formed on the light-receiving surface, the protection layer includes a first surface formed on the semiconductor substrate side and a second surface formed on the opposite side from the first surface, and the second surface has a higher acid-resistance than the first surface.10-21-2010
20100154884Zinc Ferrite Thin Film, Method for Manufacturing the Same and Application Thereof - Electrochemical methods for manufacturing a zinc ferrite (ZnFe06-24-2010
20100154883METHOD OF MANUFACTURING CRYSTALLINE SILICON SOLAR CELLS WITH IMPROVED SURFACE PASSIVATION - The present invention provides a method of manufacturing a crystalline silicon solar cell, comprising: —providing a crystalline silicon substrate having a front side and a back side; —forming a thin silicon oxide film on at least one of the front and the back side by soaking the crystalline silicon substrate in a chemical solution; —forming a dielectric coating film on the thin silicon oxide film on at least one of the front and the back side. The thin silicon oxide film may be formed with a thickness of 0.5-10 nm. By forming a oxide layer using a chemical solution, it is possible to form a thin oxide film for surface passivation wherein the relatively low temperature avoids deterioration of the semiconductor layers.06-24-2010
20100154880DYE-SENSITIZED SOLAR CELL, ANODE THEREOF, AND METHOD OF MANUFACTURING THE SAME - A dye-sensitized solar cell (DSSC), anode thereof, and method of manufacturing the same are disclosed. The anode has a titanium dioxide layer mixed with a desired ratio of carbon black nanoparticles to increase the conductivity of the anode. Thereby, the conversion efficiency of the solar energy to electricity for the DSSC is effectively improved.06-24-2010
20100147373Thin Film Photovoltaic Module With Contoured Deairing Substrate - The present invention provides a thin film photovoltaic module that has a protective substrate, such as glass, that has been contoured to define a space that allows air to avoid entrapment by a bus bar on the thin film photovoltaic device. The contouring of the protective substrate greatly facilitates the deairing and lamination of the module because it reduces or eliminates the amount of trapped air during lamination.06-17-2010
20100147378SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the same are disclosed. The method includes simultaneously forming a first doping region of a first conductive type and a second doping region of a second conductive type opposite the first conductive type into a substrate of the first conductive type, forming a back passivation layer on the first doping region and the second doping region, removing portions of the back passivation layer to expose a portion of the first doping region and a portion of the second doping region, and forming a first electrode and a second electrode that are connected to the exposed portion of the first doping region and the exposed portion of the second doping region, respectively.06-17-2010
20100147376SOLAR BATTERY DEVICE, METHOD OF PRODUCING SAME, AND ELECTRONIC DEVICE - A solar battery device includes: a substrate; a plurality of solar cells on the substrate; and a surface protector on the solar cell, so as to protect a surface of the solar battery device. The surface protector has an incident surface to which light enters, and which is subjected to an anti-reflection process for preventing reflection of the light, thereby to improve power generation efficiency. The anti-reflection process for examples gives the surface protector a saw-tooth-like shape. The surface protector is made of a synthetic resin. In this way, the present invention provides a solar battery device in which reduction in the power generation efficiency due to the surface protector or the like on the surface thereof is prevented, and which has excellent transportability and applicability to portable devices.06-17-2010
20100147374ELECTRODE OF SOLAR CELL AND FABRICATING METHOD THEREOF - A fabricating method of an electrode of a solar cell includes forming a first electrode layer on a photoelectric conversion layer, forming an antireflective layer on the photoelectric conversion layer to cover the first electrode layer, forming a second electrode layer on the antireflective layer, and performing a sintering process. A material of the first electrode layer does not react with the photoelectric conversion layer and the antireflective layer during the sintering process, while at least a material of the second electrode layer reacts with the antireflective layer during the sintering process. The sintering process is performed, such that the second electrode layer reacts with the antireflective layer, and the second electrode layer penetrates the antireflective layer to electrically connect the first electrode layer.06-17-2010
20100175750ENHANCED EFFICIENCY SOLAR CELLS AND METHOD OF MANUFACTURE - Enhanced efficiency solar cells and methods of manufacture of such cells are described herein. In an illustrative example, the solar cell includes at least one or more collector lens bars each of which extend on sides of front contacts and positioned over a respective active area of one or more active areas in such as position as to guide light onto the one or more active areas. A protective layer covers the at least one or more collector lens bars.07-15-2010
20100175753SOLAR CELL MODULE - The present invention provides a solar cell module including: a solar cell element; a wiring which is connected to the solar cell element; a cover member which is disposed around the solar cell element; a protective resin which seals a space between the solar cell element and the cover member; a hole portion which is formed to the cover member, the wiring being ejected to an external portion via the hole portion; a terminal portion which is provided at an external portion of the cover member, the wiring being connected to the terminal portion; and an adsorbent which is provided on a surface of the wiring and absorbs water.07-15-2010
20090078315ELECTRODE, METHOD OF MAKING SAME, PHOTOELECTRIC TRANSFER ELEMENT, METHOD OF MANUFACTURING SAME, ELECTRONIC DEVICE AND METHOD OF MANUFACTURING SAME - An electrode is composed of a carbon carrying a metal and a binder polymer, and it is used as a counter electrode of a dye-sensitized solar cell. The metal carried by carbon is at least one kind of metal selected from the group consisting of Pt, Ru, Co, Ti, Ni, Al and Au. The carbon is needle-like carbon, fullerene, carbon nanotube, conductive carbon black, or the like, and its specific surface area is equal to or larger than 100 m03-26-2009
20100154882SOLAR CELL - A solar cell is provided and includes a front contact, a first conductive type layer, an intrinsic (I) layer, a second conductive type layer, and a back contact. The first conductive type layer is a material layer of low refractive index which has a refractive index lower than 3. The material layer with low refractive index was used to increase light transmittance of the solar cell and decrease reflection which occurs at interfaces in the solar cell, and thus the solar cell has an optimum sunlight utility rate. Therefore, the solar cell has a large short circuit current (Jsc) and high efficiency.06-24-2010
20100154885THIN FILM SOLAR CELL AND MANUFACTURING METHOD THEREOF - The invention discloses a thin film solar cell and the manufacturing method thereof. The thin film solar cell comprises a substrate, a back electrode layer, an absorber layer, a buffer layer, and a transparent electrode layer. The buffer layer is a compound consisted essentially of a metal and at least two elements of Group VIA. The compound has a chemical formula of M06-24-2010
20100154877Semiconductor Core, Integrated Fibrous Photovoltaic Device - A cane having optical properties includes: a core formed of a semiconductor material; and a transparent cladding formed of glass, glass-ceramic, or polymer coaxially oriented about the core, the cane may be used to produce a photovoltaic device, including: a semiconductor core including at least one p-n junction, defined by respective n-type and p-type regions; a substantially transparent cladding in coaxial relationship with the semiconductor core, forming a longitudinally oriented cane; and first and second electrodes, each being electrically coupled to a respective one of the n-type and p-type regions.06-24-2010
20120103416SOLAR CELL APPARATUS AND METHOD FOR MANUFACTURING THE SAME - Disclosed are a solar cell apparatus and a method for manufacturing the same. The solar cell apparatus includes a substrate; a back electrode layer on the substrate; a light absorbing layer on the back electrode layer; a front electrode layer on the light absorbing layer; and a connection wire extending from the front electrode layer and connected to the back electrode layer through the light absorbing layer, wherein the connection wire directly makes contact with an inner side of a recess formed in the back electrode layer.05-03-2012
20120103414PASTE COMPOSITION AND SOLAR CELL ELEMENT USING THE SAME - A paste composition with no bow of a silicon semiconductor substrate and no blisters and globules of aluminum in the aluminum electrode layer obtained after firing. In addition, adhesiveness of an aluminum electrode layer and the silicon semiconductor substrate is enhanced and the reaction of the aluminum electrode layer and moisture is suppressed. A solar cell element including electrodes is formed by using the composition. The paste composition is a paste used for forming an electrode on a silicon semiconductor substrate including an aluminum powder, an organic vehicle, and glass frit. The glass frit including at least one kind of a transition metal oxide selected from the group including a titanium oxide, a vanadium oxide, an iron oxide, a molybdenum oxide, a neodymium oxide, and a tungsten oxide. A solar cell element includes a back side electrode formed by using the above paste composition.05-03-2012
20120103413THIN-FILM SOLAR CELL AND METHOD FOR FABRICATING THE SAME - A thin-film solar cell includes a body and a polymer layer. The body includes a first electrode layer, a photoelectric conversion layer, and a second electrode layer, and the polymer layer includes a hardening material and an interface material. The photoelectric conversion layer is disposed between the first electrode layer and the second electrode layer, and the polymer layer surrounds the photoelectric conversion layer, in which the interface material is used for bonding to the hardening material and the photoelectric conversion layer respectively. Therefore, the thin-film solar cell may reduce the Staebler-Wronski Effect generated by the photoelectric conversion layer in the photoelectric conversion procedure. Accordingly, the photoelectric conversion efficiency is improved.05-03-2012
20120103412METHOD FOR FABRICATING A LASER-INDUCED SURFACE NANOARRAY STRUCTURE, AND DEVICE STRUCTURE FABRICATED USING SAID METHOD - Provided is a method for manufacturing a two-dimensional pattern by simultaneously forming a plurality of quantum dots on a surface of a solid material and making the quantum dots a periodic structure by a laser irradiation, and a device structure and a device fabricated by the method. 05-03-2012
20120103411PHOTOVOLTAIC MODULE SUBSTRATE - A photovoltaic module may include a back glass including a cobalt oxide or copper oxide.05-03-2012
20120103408BACKPLANE REINFORCEMENT AND INTERCONNECTS FOR SOLAR CELLS - Fabrication methods and structures relating to backplanes for back contact solar cells that provide for solar cell substrate reinforcement and electrical interconnects are described. The method comprises depositing an interdigitated pattern of base electrodes and emitter electrodes on a backside surface of a semiconductor substrate, forming electrically conductive emitter plugs and base plugs on the interdigitated pattern, and attaching a backplane having a second interdigitated pattern of base electrodes and emitter electrodes at the conductive emitter and base plugs to form electrical interconnects.05-03-2012
20120103407SOLAR CELL AND METHOD FOR MANUFACTURING THE SOLAR CELL - An exemplary embodiment of the present invention provides a method for manufacturing a solar cell, which includes: forming a first semiconductor layer on a first surface of a light-absorbing layer, forming a second semiconductor layer on a second surface of the light-absorbing layer, forming a first transparent conductive layer having one X-ray diffraction peak on the first semiconductor layer in a first direction, forming a second transparent conductive layer having one X-ray diffraction peak on the second semiconductor layer in a second direction opposite to the first direction, forming a first electrode on the first transparent conductive layer in the first direction and forming a second electrode on the second transparent conductive layer in the second direction, in which at least one of the first transparent conductive layer and the second transparent conductive layer is formed at about 180 to about 220° C., at least one of the first transparent conductive layer and the second transparent conductive layer includes oxidized tungsten, and 2θ is 30.2±0.1 degrees in the X-ray diffraction peak.05-03-2012
20100163106THIN FILM SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A highly reliable thin film solar cell and a method of manufacturing the same are provided to improve bonding strength between a back-surface electrode layer and a bus bar without limiting the kind of metal film of the back-surface electrode layer. The thin film solar cell at least includes a light-transmitting insulating substrate, a transparent conductive film, a photoelectric conversion layer, and a back-surface electrode layer provided on the light-transmitting insulating substrate, and a bus bar provided on the back-surface electrode layer. The bus bar is electrically connected with the back-surface electrode layer with a conductive tape interposed whereby the back-surface electrode layer is used as a take-out electrode. The conductive tape preferably includes a thermosetting resin and a conductive particle. Furthermore, the conductive tape is preferably an anisotropic conductive tape.07-01-2010
20100163102SOLAR CELL AND THE METHOD OF MANUFACTURING THEREOF - A solar cell comprises a substrate, a titanium oxide sputtering layer, at least one titanium oxide porous layer, a counter electrode and an electrolyte. The titanium oxide sputtering layer is sputtered on the substrate. The titanium oxide porous layer comprises a stack of titanium dioxide particles on the titanium oxide sputtering layer. The counter electrode is arranged on the titanium oxide porous layer. The electrolyte is filled between the counter electrode and the substrate.07-01-2010
20100186814Coating which is applied to a substrate, a solar cell, and method for applying the coating to the substrate - The invention relates to a coating which has been applied to a substrate, comprising at least a first film and a second film which have been applied on top of each other and each comprise a transparent conducting oxide and an electron donor, wherein the second film comprises relatively at least 10 percent less electron donor than the first film. The invention also relates to a solar cell comprising a coating according to the invention. The invention further relates to a method for applying the coating according to the invention to a substrate, wherein at least a first and a second mixture which each comprise one or more precursors for a transparent conducting oxide and an electron donor are applied to the substrate, wherein the second mixture is composed such that relatively at least 10 percent less electron donor is incorporated in the film compared with the film deposited by the first mixture.07-29-2010
20100186810METHOD FOR THE FORMATION OF A NON-RECTIFYING BACK-CONTACT A CDTE/CDS THIN FILM SOLAR CELL - A method of forming a non-rectifying, ohmic contact on a p-type semiconductor CdTe thin film, which comprises the steps of depositing a layer of As07-29-2010
20090014065METHOD FOR THE PRODUCTION OF A TRANSPARENT CONDUCTIVE OXIDE COATING - The present invention concerns a method for the generation of a transparent conductive oxide coating (TCO layer), in particular a transparent conductive oxide coating as a transparent contact for thin section solar cells. The TCO layer consists at least of a first layer of high conductivity and a second layer of low conductivity, with the second layer generated by DC sputtering of at least one target, which contains zinc oxide and additionally aluminum, and the process atmosphere contains oxygen. Further, the present invention relates to a TCO layer as well as thin section solar cells on CIGS and CdTe basis.01-15-2009
20100258179THIN FILM SODIUM SPECIES BARRIER METHOD AND STRUCTURE FOR CIGS BASED THIN FILM PHOTOVOLTAIC CELL - A method for fabricating a thin film solar cell includes providing a soda lime glass substrate comprising a surface region and a concentration of sodium oxide of greater than about 10 wt % and treating the surface region with one or more cleaning process, using a deionized water rinse, to remove surface contaminants having a particles size of greater than three microns. The method also includes forming a barrier layer overlying the surface region, forming a first molybdenum layer in tensile configuration overlying the barrier layer, and forming a second molybdenum layer in compressive configuration using a second process overlying the first molybdenum layer. Additionally, the method includes patterning the first molybdenum layer and the second molybdenum layer to form a lower electrode layer and forming a layer of photovoltaic material overlying the lower electrode layer. Moreover, the method includes forming a first zinc oxide layer overlying the layer of photovoltaic materials.10-14-2010
20130213464CONDUCTIVE FILM SUBSTRATE, PHOTOVOLTAIC CELL HAVING THE SAME, AND METHOD OF MANUFACTURING THE SAME - A conductive film substrate, a photovoltaic cell having the same, and a method of manufacturing the same. The conductive film substrate includes a base substrate and a transparent conductive film formed on the base substrate. The transparent conductive film is a zinc oxide thin film which has first texture structures and second texture structures concurrently formed on a surface thereof. The second texture structures are smaller than the first texture structures.08-22-2013
20130213465Oxide Thin Film Substrate, Method Of Manufacturing The Same, And Photovoltaic Cell And Organic Light-Emitting Device Including The Same - An oxide thin film substrate which has a high haze value, a method of manufacturing the same, and a photovoltaic cell and organic light-emitting device including the same. The oxide thin film substrate includes a base substrate having a first texture on the surface thereof and a transparent oxide thin film formed on the base substrate. The transparent oxide thin film has a second texture on the surface thereof.08-22-2013
20130213467PRODUCTION OF MICROHOLES - A method and apparatus for producing a multiplicity of holes in thin sheet-like workpieces of dielectric material or semiconductors is provided. The perforation points are marked by HF coupling points and caused to soften using HF energy in order to obtain dielectric breakdowns. The breakdowns are then widened into holes.08-22-2013
20130213468COATING COMPOSITION FOR PROTECTION COVER OF SOLAR CELL - There is provided a protection cover of solar cell having processability at room temperature, solvent resistance, weather resistance and durability without impairing its transparency, and also a curable fluorine-containing coating composition being capable of forming the protection cover. The curable fluorine-containing coating composition for a protection cover of solar cell comprises (A) a curable fluorine-containing resin, (B) a curing agent and (C) a solvent and is used for forming a top coat layer (III) of a cured article comprising the fluorine-containing resin, in which the top coat layer is provided, directly or via a primer layer (IV), on a transparent resin layer (II) provided on the sunlight irradiation side of a solar cell module (I).08-22-2013
20130213470SOLAR CELL AND METHOD FOR MANUFACTURING SAME - The invention provides a solar cell and a method for manufacturing same. The solar cell contains a carbon structure layer; a microstructure formed on the carbon structure layer; and a charge separation layer which includes a charge separation junction part and which is formed on the surface of the microstructure.08-22-2013
20120138137Solar Cell - The invention provides a solar cell which includes a solar cell, comprising: a first conductivity type semiconductor substrate, wherein the first conductivity type semiconductor substrate comprises a light receiving surface, a non-light receiving surface and a plurality of through holes extending from the light receiving surface to the non-light receiving surface; a second conductivity type semiconductor layer formed on the non-light receiving surface and extended into the first conductivity type semiconductor substrate, wherein the second conductivity type is opposite to the first conductivity type; a first electrode layer formed on the second conductivity type semiconductor layer; and a second electrode layer formed on the light receiving surface and extended to the non-light receiving surface by the through hole.06-07-2012
20100258178SOLAR CELL - A solar cell comprises a substrate configured to have a plurality of via holes and a first conductive type, an emitter layer placed in the substrate and configured to have a second conductive type opposite to the first conductive type, a plurality of first electrodes electrically coupled to the emitter layer, a plurality of current collectors electrically coupled to the first electrodes through the plurality of via holes, and a plurality of second electrodes electrically coupled to the substrate. The plurality of via holes comprises at least two via holes having different angles.10-14-2010
20100258180Method of forming an indium-containing transparent conductive oxide film, metal targets used in the method and photovoltaic devices utilizing said films - A method of forming an indium-containing transparent conductive oxide by reactive sputtering a metal target containing indium in an oxygen containing atmosphere and then depositing the resulting indium oxide on a substrate. Metal targets used in the method and photovoltaic devices utilizing the transparent conductive oxides are also disclosed.10-14-2010
20100186816SOLAR CELL - A solar cell, including a substrate, a first electrode disposed on the substrate, a photoelectric conversion layer disposed on the first electrode, and a second electrode disposed on the photoelectric conversion layer, wherein a grating is disposed on at least one of the first electrode and the second electrode.07-29-2010
20100186806PHOTOVOLTAIC MODULE - A solar cell has a non-light-receiving side and a light-receiving side that faces a backside of an optically-transparent cover plate. A heatsink has a backside that faces the non-light-receiving side of the solar cell. The heatsink is formed of a graphite-containing material having a concave and convex texture as a radiating fin.07-29-2010
20100186809NANOWIRE- BASED SOLAR CELL STRUCTURE - The solar cell structure according to the present invention comprises a nanowire (07-29-2010
20100163103Organic Thin-Film Solar Cell Using Fullerene Derivative for Electron Acceptor and Method of Manufacturing the Same - A fullerene derivative for electron acceptor is disclosed. Introducing a benzylalkyl group into the fullerene derivative can increase the affinity of the fullerene derivative with electron donors, and introducing an alkyl group into the fullerene derivative can increase the solubility of the fullerene derivative with an organic solvent. In addition, an organic thin-film solar cell and a method of manufacturing the same are further disclosed. An annealing process can be employed to improve the crystallization and to reduce the phase separation state of a photoactive layer that is formed by the fullerene derivative and the electron acceptor. Thereby, the fullerene derivative is facilitated to enhance the solar energy to electricity conversion efficiency of the resultant organic thin-film solar cell.07-01-2010
20100186811Silicon Carbonitride Antireflective Coating - An antireflective coating for silicon-based solar cells comprising amorphous silicon carbonitride, wherein the amount of carbon in the silicon carbonitride is from 5 to 25%, a solar cell comprising the antireflective coating, and a method of preparing the antireflective coating.07-29-2010
20100186808PLATING THROUGH TUNNEL DIELECTRICS FOR SOLAR CELL CONTACT FORMATION - In general, the present invention relates to forming electrical contacts in a semiconductor device, including contact regions in solar cells. According to certain aspects, the invention provides methods and apparatuses for forming plated contacts in the presence of a thin tunnel oxide. Preferably, the tunnel oxide dielectric layer is thin enough to sustain a tunnel current. Plating over the tunnel dielectric is then performed. The benefits of the invention include that no annealing is required to form the metal-silicide contact. Moreover, there is no requirement for special metals for n- or p-type contacts. Another advantage is that shallow contacts according to the invention avoid punching through a shallow junction, thereby enabling the use of shallower emitters with improved blue response. Still further, there is no need to control the amount of silicide metal plated in order to prevent driving the silicide alloy through the junction.07-29-2010
20100186807POINT CONTACTS FOR POLYSILICON EMITTER SOLAR CELL - The present invention relates to electrical contacts in a semiconductor device, and more particularly to methods and apparatuses for providing point contacts in a polysilicon emitter or HIT type solar cell. According to certain aspects, the invention uses a dielectric layer interposed between the substrate and a conductive layer to provide a limited area over which junction current can flow. The benefit is that the metal grid conductors do not need to align to the contacts, and can be applied freely without registration. Another benefit of the invention is that it provides increased efficiency for poly emitter and HIT cells through use of point contacts to increase current density. A further benefit is that patterning can be accomplished using low cost methods such as inclusion masking, screen printing or laser ablation. A still further benefit is that final contacts do not need alignment to the point contacts, eliminating registration required for conventional point contact designs.07-29-2010
20100258184GLASS COMPOSITIONS USED IN CONDUCTORS FOR PHOTOVOLTAIC CELLS - The invention relates to glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells.10-14-2010
20100258177SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate of a first conductive type having at least one via hole; an emitter layer only on at least a portion of the via hole and at least one selected from a group consisting of an incident surface and side surfaces of the substrate, the emitter layer having a second conductive type opposite the first conductive type; at least one first electrode on the incident surface, the first electrode being electrically connected to the emitter layer; a second electrode connected to an opposite surface to the incident surface; and at least one first electrode current collector on the opposite surface, the at least one first electrode current collector being insulated from the second electrode and being electrically connected to the at least one first electrode through the via hole.10-14-2010
20100258173POLISHING A THIN METALLIC SUBSTRATE FOR A SOLAR CELL - A method for fabricating a solar cell. The method includes providing a thin metallic substrate in roll form. The method also includes applying an abrasive grit to a surface of the thin metallic substrate. The method includes mechanical-polishing the surface with the abrasive grit such that the surface is polished to remove at least one defect from the surface. Mechanical-polishing the surface of the thin metallic substrate is by a roll-to-roll polishing process of the surface of the thin metallic substrate. Moreover, the method includes depositing an absorber layer of the solar cell on the thin metallic substrate.10-14-2010
20100258185TEXTURED SUBSTRATE FOR THIN-FILM SOLAR CELL - Provided herein are textured substrates for thin-film solar cells. According to various embodiments, the textured substrates are characterized by substrate patterns exhibiting low-frequency roughness or flatness and long range order. The substrates may be metallic or non-metallic substrates, and in certain embodiments are stainless steel foils. According to various embodiments, the substrates may be provided in the form of a web, ready for deposition of thin-film photovoltaic stacks. Also provided are textured back contact thin films.10-14-2010
20100258183PHOTOVOLTAIC MODULES HAVING REDUCED WEIGHT - The construction principles according to the present invention make possible large sheet-like solar modules with low weight, which have great mechanical toughness, are inured to rough climatic environment influences and withstand thermal stress due to solar irradiation and shadowing effects. The solar modules have front and back panes, one of which has a thickness of at least 3 mm and the other of which has a thickness of at most 2 mm. The coefficient of thermal expansion of the thicker pane is preferably greater than that of the thinner pane. In preferred embodiments burling or a wavy structure is provided on one side of the front pane and/or the back pane.10-14-2010
20100193025QUANTUM DOT SOLAR CELL - A solar cell is disclosed that may include a quantum dot, an electron conductor, and a bifunctional ligand disposed between the quantum dot and the electron conductor. The bifunctional ligand may include a first anchor group that bonds to the quantum dot and a second anchor group that bonds to the electron conductor. The solar cell may include a hole conductor that is configured to reduce the quantum dot once the quantum dot absorbs a photon and ejects an electron through the bifunctional ligand and into the electron conductor. The hole conductor may be a p-type polymer.08-05-2010
20100193026QUANTUM DOT SOLAR CELL - A solar cell is disclosed that may include a quantum dot, an electron conductor, and a bifunctional ligand disposed between the quantum dot and the electron conductor. The bifunctional ligand may include a first anchor group that bonds to the quantum dot and a second anchor group that bonds to the electron conductor. The solar cell may include a hole conductor that is configured to reduce the quantum dot once the quantum dot absorbs a photon and ejects an electron through the bifunctional ligand and into the electron conductor. The hole conductor may be a p-type polymer.08-05-2010
20100193028SOLAR CELL - A solar cell includes a photoelectric conversion layer, a first electrode on one surface of the photoelectric conversion layer, a second electrode provided on other surface of the photoelectric conversion layer, and a third electrode on the other surface of the photoelectric conversion layer. The third electrode is substantially rectangular with its corners rounded off in the in-plane direction of the photoelectric conversion layer, and overlaps the second electrode at the periphery thereof.08-05-2010
20090078314Backing Sheet For Photovoltaic Modules - The present invention provides a protective backing sheet for photovoltaic modules. The backing sheet has a layer including fluoropolymer which is cured on a substrate, and the layer includes a hydrophobic silica. The amount of hydrophobic silica contained in the layer is within the range of 2.5 to 15.0% by weight, and preferably in the range of 7.5 to 12.5%. Also, the layer including fluoropolymer may further include a titanium dioxide.03-26-2009
20100258174GLOBAL OPTIMIZATION OF THIN FILM PHOTOVOLTAIC CELL FRONT COATINGS - A solar cell includes a thin film photovoltaic material structure used in absorbing light of a selective bandwidth. A multitude of dielectric front coatings are positioned on the thin film photovoltaic material structure so as to maximize admittance over the selected bandwidth. The thicknesses and indices of each of the front coatings are chosen by a global-optimization procedure to maximize the short-circuit current of the solar cell.10-14-2010
20100175752High-Efficiency Thin-Film Solar Cells - A three-dimensional solar cell comprising a semiconductor substrate with an inverted pyramidal cavity, emitter metallization regions on ridges on the surface of the semiconductor substrate which define an opening of the inverted pyramidal cavity, and base metallization regions on a region which form the apex of the inverted pyramidal cavity. A method for fabricating a three-dimensional thin-film solar cell from an inverted pyramidal three-dimensional thin-film silicon substrate by doping ridges on the surface of the semiconductor substrate which define an opening of an inverted pyramidal cavity on the substrate to form an emitter region, and doping a region which forms the apex of the inverted pyramidal cavity to form a base region. Adding a surface passivation layer to the surface of the substrate. Selectively etching the passivation layer from the emitter region and base region. Then concurrently metallizing the emitter region and base region.07-15-2010
20100193021THIN FILM SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A thin film solar cell includes a first substrate, a transparent conductive layer on an inner surface of the first substrate, the transparent conductive layer having an uneven top surface and including through-holes, a light-absorbing layer on the transparent conductive layer, a reflection electrode on the light-absorbing layer, a second substrate facing and attached with the first substrate, and a polymeric material layer on an inner surface of the second substrate.08-05-2010
20100193027SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell and a method for manufacturing the same are disclosed. The solar cell includes a substrate of a first conductive type, an anti-reflection layer that is positioned on the substrate and is formed of a transparent conductive oxide material, a plurality of emitter layers on the substrate, the plurality of emitter layers being of a second conductive type opposite the first conductive type, a plurality of first electrodes on the plurality of emitter layers, and a plurality of second electrodes that are electrically connected to the substrate and are positioned to be spaced apart from the plurality of first electrodes. The first electrodes and the second electrodes are positioned on the same surface of the substrate.08-05-2010
20100193020Photovoltaic Cells Including Spaced Ramps and Methods of Manufacture - Photovoltaic cells and methods for the manufacture of photovoltaic cells are described. Operative layers of the photovoltaic cell are deposited onto a superstrate having a plurality of spaced ramps, allowing for the individual cells to be connected in series with minimal loss of the efficiency due to dead space between the cells.08-05-2010
20100193022SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - Provided are a solar cell and a method of manufacturing the same. The solar cell includes a transparent substrate. A first electrode and a transparent insulating layer are sequentially stacked over a plurality of first regions of the transparent substrate. A first electrode, a light-converting layer, a transparent insulating layer, and a second electrode are sequentially stacked over a second region of the transparent substrate other than the first regions. Therefore, light incident from the substrate can penetrate between the light-converting layers spaced apart from each other, thus manufacturing a transparent solar cell. Also, since light scattered by the transparent insulating layer is also incident into the side of the light-converting layer, the light-receiving area is not reduced and thus the efficiency of the solar cell can be increased.08-05-2010
20100224246METHOD AND APPARATUS FOR GENERATING ELECTRICAL POWER USING SUNLIGHT AND MICROORGANISMS - Systems and methods are presented for generating and storing electric power in which a microbial solar cell is provided in a sealed container with photosynthetic organisms that generate reactants of the microbial fuel cell and the products of the microbial fuel cell from sunlight received through the container.09-09-2010
20100224241Solar Cell and Solar Cell Manufacturing Method - It is possible to provide a solar cell of sophisticated characteristic capable of reducing warp of a semiconductor substrate which causes crack of the solar cell and a manufacturing method of the solar cell. In order to achieve the aforementioned object, the solar cell (09-09-2010
20100236622REFLECTIVE LIGHT WAVELENGTH MODULATOR - A reflective light wavelength modulator includes a reflection module with a reflective arc surface, at least one thermal conducting column installed at the reflective arc surface, at least one optoelectric conversion module, particularly an illumination module, a solar cell or an photocell, installed on a distal surface of the thermal conducting column, and a reflective mask installed at an appropriate distance from the optoelectric conversion module. The reflection module or the reflective mask is made of a wavelength modulation material, such that when the light produced by the optoelectric conversion module or the received light source is reflected from the reflective mask, the wavelength of the light source is changed to achieve the effects of providing a wavelength modulation function of a light source with a color and a cost-effective optoelectric equipment.09-23-2010
20100236618METHOD FOR MANUFACTURING A PHOTOVOLTAIC CELL AND A PHOTOVOLTAIC CELL OBTAINED WITH SUCH A METHOD - A method for manufacturing a photovoltaic cell, such as a solar cell is disclosed. The method includes: providing a silicon substrate; applying to a side of the silicon substrate, a first layer of a metal with a relatively high optical reflectance, such as a layer of silver; applying to the first layer, a second layer of a metal with a relatively high electrical conductivity coefficient, such as a layer of aluminum or an Al alloy; and then firing the substrate having the first and second layers in order to obtain an alloy of the metals of the first and second layers and the silicon, wherein the alloy formed comprises a maximum amount of metal dissolved in the silicon in amounts up to the eutectic point of the alloy. In one implementation, the alloy is substantially an n-type Si—Al—Ag alloy. Thus, an improved Back Surface Field is formed in the substrate. The invention further relates to a photo voltaic cell obtained with the aid of such method.09-23-2010
20100236616CIGS SOLAR CELL HAVING THERMAL EXPANSION BUFFER LAYER AND METHOD FOR FABRICATING THE SAME - A copper/indium/gallium/selenium (CIGS) solar cell including a thermal expansion buffer layer, and a method for fabricating the same are provided. The thermal expansion buffer layer is configured between an alloy thin film layer and a CIGS thin film layer. The thermal expansion buffer layer is deposited by executing a thin film deposition process with a continuous sputtering machine bombarding a cuprous sulphide (Cu09-23-2010
20100275990PHOTOELECTRIC CONVERSION DEVICE AND MANUFACTURING METHOD THEREOF - To provide a novel photoelectric conversion device and a manufacturing method thereof. Over a base substrate having a light-transmitting property, a light-transmitting insulating layer and a single crystal semiconductor layer over the insulating layer are formed. A plurality of first impurity semiconductor layers each having one conductivity type is provided in a band shape in a surface layer of the single crystal semiconductor layer or on a surface of the single crystal semiconductor layer, and a plurality of second impurity semiconductor layers each having a conductivity type which is opposite to the one conductivity type is provided in a band shape in such a manner that the first impurity semiconductor layers and the second impurity semiconductor layers are alternately provided and do not overlap with each other. First electrodes in contact with the first impurity semiconductor layers and second electrodes in contact with the second impurity semiconductor layers are provided, and a back contact cell is formed, whereby a photoelectric conversion device provided with a photo acceptance surface on the base substrate side is formed.11-04-2010
20100275992Solar Cell Module and Process for its Production - An ultrahigh durability solar cell module that can be used semi-permanently, with an ultrahigh durability transparent substrate, solar cell element and filler, wherein the solar cell element and a liquid substance or a gel obtained by reacting the liquid substance as the filler, are sealed by a fast sealed structure comprising a high durability crosslinking reactive adhesive provided between a glass panel and back side protective substrate, and a hot-melt adhesive. The module is produced by placing the sealing compound, solar cell element and liquid substance on the glass panel and finally laying the back side protective substrate to form a provisional laminated body, and then compression bonding the provisional laminated body at room temperature in a vacuum for sealing.11-04-2010
20100275989SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - An object relates to an electrode of a semiconductor device or a method for manufacturing a semiconductor device, which includes a bonding step, and problems are: (1) high resistance of a semiconductor device due to the use of an Al electrode, (2) formation of an alloy by Al and Si, (3) high resistance of a film formed by a sputtering method, and (4) defective bonding in a bonding step which is caused if a bonding surface has a large unevenness. A semiconductor device includes a metal substrate or a substrate provided with a metal film, a copper (Cu) plating film over and bonded to the metal substrate or the metal film by employing a thermocompression bonding method, a barrier film over the Cu plating film, a single crystal silicon film over the barrier film, and an electrode layer over the single crystal silicon film.11-04-2010
20100275988PHOTOELECTRIC CONVERSION ELEMENT AND SOLAR CELL - A dye-sensitized photoelectric conversion element, comprises a pair of electrodes arranged opposite to each other; a semiconductor layer including a semiconductor supporting a sensitizing dye; and an electrolyte layer. At least the semiconductor layer and the electrolyte layer are provided between the pair of electrodes, and the sensitizing dye contains a compound represented by the following Formula (1).11-04-2010
20100275991Photovoltaic System, a Terminal Box Thereof and a Voltage Converting Device - A photovoltaic system, a terminal box and a voltage converting device thereof is provided. The terminal box and the voltage converting device have a connector plug or a connector socket, wherein said connector plug and connector socket are electrically connected by plugging. The photovoltaic system comprises a solar module, the terminal box and the voltage converting device, the terminal box and the voltage converting device being electrically connected by plugging the connector plug and connector socket, and the converting device being fixed to the solar module through a support member. With this photovoltaic system, the installation manner, which is free from conducting wires, is convenient, reliable and cost-effective.11-04-2010
20100212735SOLAR CELL AND METHOD FOR FABRICATING THE SAME - This invention discloses a high-efficiency solar cell structure which enables high throughput manufacturing process thereof. The solar cell is accomplished by forming a plurality of first emitter regions in a front surface of a substrate, a plurality of second emitter regions in the front surface, and a plurality of fingers. Each of the fingers is formed over a least a portion of the second emitter region and a portion of the first emitter region. The first emitter regions and the second emitter regions have a depth not less than 0.2 μm.08-26-2010
20100212734Encapsulation process for thin-film solar cells - An encapsulation process for thin-film solar cells comprises the steps of: coating a resin on an electrode of a TCO glass of a thin film solar cell by a coating machine, and coating edges of the thin film solar cell synchronously by a frame coating machine. The resin has a predetermined rigidity, stickness, aging resistance, abrasion resistance and puncture resistance after solidification.08-26-2010
20100212732Protective layer for large-scale production of thin-film solar cells - A solar cell includes a substrate, a protective layer located over a first surface of the substrate, a first electrode located over a second surface of the substrate, at least one p-type semiconductor absorber layer located over the first electrode, an n-type semiconductor layer located over the p-type semiconductor absorber layer, and a second electrode over the n-type semiconductor layer. The p-type semiconductor absorber layer includes a copper indium selenide (CIS) based alloy material, and the second electrode is transparent and electrically conductive. The protective layer has an emissivity greater than 0.25 at a wavelength of 2 μm, has a reactivity with a selenium-containing gas lower than that of the substrate, and may differ from the first electrode in at least one of composition, thickness, density, emissivity, conductivity or stress state. The emissivity profile of the protective layer may be uniform or non-uniform.08-26-2010
20100212736SOLAR ENERGY UTILIZATION DEVICE AND METHOD FOR MANUFACTURING THE SAME - A solar energy utilization device wherein the surface of the incident light side of the transparent base material 08-26-2010
20100170564HIGH-THROUGHPUT PRINTING OF SEMICONDUCTOR PRECURSOR LAYER BY USE OF CHALCOGEN-RICH CHALCOGENIDES - A high-throughput method of forming a semiconductor precursor layer by use of a chalcogen-rich chalcogenides is disclosed. The method comprises forming a precursor material comprising group IB-chalcogenide and/or group IIIA-chalcogenide particles, wherein an overall amount of chalcogen in the particles relative to an overall amount of chalcogen in a group IB-IIIA-chalcogenide film created from the precursor material, is at a ratio that provides an excess amount of chalcogen in the precursor material. The excess amount of chalcogen assumes a liquid form and acts as a flux to improve intermixing of elements to form the group IB-IIIA-chalcogenide film at a desired stoichiometric ratio, wherein the excess amount of chalcogen in the precursor material is an amount greater than or equal to a stoichiometric amount found in the IB-IIIA-chalcogenide film.07-08-2010
20100224244PHOTOVOLTAIC CONVERTER DEVICE AND ELECTRONIC DEVICE - A photovoltaic converter device includes a photovoltaic conversion layer containing a plurality of nanoparticles in a first material in a dispersed state, wherein the nanoparticles include a second material in particles and a third material that coats the second material, the third material having a band gap E09-09-2010
20100224243ADHESION BETWEEN AZO AND AG FOR THE BACK CONTACT IN TANDEM JUNCTION CELL BY METAL ALLOY - Methods of promoting adhesion between a reflective backing layer and a solar cell substrate are provided. The reflective backing layer is formed over a conductive metal oxide layer as an alloy using reflective and adhesive components, the adhesive components being present in levels generally below about 5 atomic percent. Techniques are disclosed for depositing varying the concentration of the reflective backing layer to localize the adhesive components in an adhesion region near the conductive metal oxide layer. Techniques are also disclosed for boosting bonding species in the conductive metal oxide layer to further enhance adhesion.09-09-2010
20100236623SOLAR CELL MODULE - In the solar cell module 09-23-2010
20100236620THIN FILM SOLAR CELL AND METHOD FOR PRODUCING THE SAME - According to one aspect of the present invention, there is provided a thin film solar cell comprising a substrate, a photoelectric conversion layer formed on said substrate, said photoelectric conversion layer having a thickness of 1 μm or less, and said photoelectric conversion layer comprising a p-type semiconductor layer, an n-type semiconductor layer, and are i-type semiconductor layer placed between said p-type semiconductor layer and said n-type semiconductor layer, a light-incident side electrode layer formed on a light-incident surface of said photoelectric conversion layer and a counter electrode layer formed on the surface opposite to the light-incident surface. Said light-incident side electrode layer has plural openings bored though said layer, and the thickness thereof is in the range of 10 nm to 200 nm. Each of said openings occupies an area of 80 nm09-23-2010
20100236621GLASS COMPOSITIONS USED IN CONDUCTORS FOR PHOTOVOLTAIC CELLS - An objective of this present invention is to provide a conductive paste that could obtain good electrical property, for example series resistance in an electrode. An aspect of the present invention relates to a conductive paste which comprises electrically conductive powder; glass frit which comprises, based on weight percent (wt %) of the glass frit, 8-26 wt % of SiO09-23-2010
20100236617Stacked Structure Solar Cell Having Backside Conductive Contacts - A solar cell having back side conductive contacts and method for forming the solar cell is provided. One embodiment is a solar cell having back side conductive contacts. The solar cell has a first region of a first material having a first conductivity over a front side of a substrate, a second region of a second material conformably on the first material, and a third region of a third material having a second conductivity conformably on the second material. The first region, the second region, and the third region form a structure that generates charge carriers from solar radiation. The solar cell has a first conductive contact and a second conductive contact exposed on the back side of the substrate. The first conductive contact is in electrical contact with the first material and the second conductive contact is in electrical contact with the third material.09-23-2010
20100252097SEMICONDUCTOR MATERIAL, SOLAR CELL USING THE SEMICONDUCTOR MATERIAL, AND METHODS FOR PRODUCING THE SEMICONDUCTOR MATERIAL AND THE SOLAR CELL - A method for producing a semiconductor material, comprises a step of allowing impurity atoms, Ba atoms and Si atoms to react with each other, the impurity atoms being at least one atom selected from the group consisting of As atom, Sb atom, Bi atom and N atom; and a solar cell comprises the semiconductor material.10-07-2010
20130125968LOW-COST SOLAR CELL METALLIZATION OVER TCO AND METHODS OF THEIR FABRICATION - Methods for fabricating busbar and finger metallization over TCO are disclosed. Rather than using expensive and relatively resistive silver paste, a high conductivity and relatively low cost copper is used. Methods for enabling the use of copper as busbar and fingers over a TCO are disclosed, providing good adhesion while preventing migration of the copper into the TCO. Also, provisions are made for easy soldering contacts to the copper busbars.05-23-2013
20130125978Fluoropolymer Containing Laminates - The multilayer film serves as a laminate. In some embodiments, the film is a multilayered structure that, in its base form, encompasses an intermediate layer with first and second outer layer affixed to opposing sides of the intermediate layer. In some embodiments, the first outer layer is a semi-crystalline fluoropolymer. In some embodiments, the intermediate layer includes a polyester and the second outer layer is an olefinic polymer.05-23-2013
20090211630DYE-SENSITIZED SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - Provided are a dye-sensitized solar cell and a method of manufacturing the same. The dye-sensitized solar cell includes a semiconductor electrode and a counter electrode that face each other, and an electrolytic solution interposed therebetween, wherein the semiconductor electrode includes: a conductive substrate; an oxide semiconductor-conductor structure formed on the conductive substrate; and dye molecules layer adsorbed onto the surface of the oxide semiconductor. A dye-sensitized solar cell manufactured using the method can effectively prevent electrons transferred to the conductor and an electrolyte from recombining, thus having maximal photoelectron conversion efficiency.08-27-2009
20120138138Solar cells with back side contacting and also method for production thereof - A method for producing solar cells with back side contacting, which is based on a microstructuring of a wafer provided with a dielectric layer and a doping of the microstructured regions on the back side and also an emitter diffusion on the front side. Subsequently, the deposition of a metal-containing nucleation layer and also a galvanic reinforcement of the contactings on the back side is effected. Solar cells which can be produced in accordance with the foregoing method.06-07-2012
20120138135METHOD OF FORMING CONTACTS FOR A BACK-CONTACT SOLAR CELL - Methods of forming contacts for back-contact solar cells are described. In one embodiment, a method includes forming a thin dielectric layer on a substrate, forming a polysilicon layer on the thin dielectric layer, forming and patterning a solid-state p-type dopant source on the polysilicon layer, forming an n-type dopant source layer over exposed regions of the polysilicon layer and over a plurality of regions of the solid-state p-type dopant source, and heating the substrate to provide a plurality of n-type doped polysilicon regions among a plurality of p-type doped polysilicon regions.06-07-2012
20120125431ORGANIC ELECTRONIC DEVICE AND METHOD FOR MANUFACTURING THE SAME - An organic electronic device which does not deteriorate a device function over a long period of time and a method for its manufacture. The organic electronic device, containing: an organic semiconductor element (B) including a pair of electrodes; a layer (C) containing a scavenger, which absorbs at least one of moisture and oxygen; and a gas barrier film (D), in that order; and an anticorrosion layer (E) between the pair of electrodes and the layer (C), 05-24-2012
20120125430Solar Cell Comprising a Plasmonic Back Reflector and Method Therefor - A method for forming a solar cell having a plasmonic back reflector is disclosed. The method includes the formation of a nanoimprinted surface on which a metal electrode is conformally disposed. The surface structure of the nanoimprinted surface gives rise to a two-dimensional pattern of nanometer-scale features in the metal electrode enabling these features to collectively form the plasmonic back reflector.05-24-2012
20120125429SEE-THROUGH TYPE PHOTOVOLTAIC MODULE INCLUDING 3-DIMENSIONAL PHOTONIC CRYSTAL, MANUFACTURING METHOD THEREOF, AND INSULATED GLASS UNIT INCLUDING THE SAME - Disclosed is a see-through type photovoltaic module that includes: a first transparent substrate; a second transparent substrate; a first transparent electrode and a second electrode, all of which are placed between the first transparent substrate and the second transparent substrate; a photoactive layer being placed between the first transparent electrode and the second electrode and converting light into electrical energy; and a protective layer placed between the second electrode and the second transparent substrate, wherein a 3-dimensional photonic crystal structural layer is formed on the surface of the second transparent substrate facing the first transparent substrate.05-24-2012
20090250103Aluminum paste composition and solar cell element using the same - Provided are an aluminum paste composition capable of inhibiting formation of blisters and globules of aluminum in a back surface electrode layer, which is caused at the time of firing, of reducing bow of a silicon semiconductor substrate even when a thinner silicon semiconductor substrate is used, and of attaining a high BSF effect and a high energy conversion efficiency; and a solar cell element comprising an electrode formed by using the composition. The aluminum paste composition is a paste composition for forming an electrode (10-08-2009
20100139754Solar Cell With Co-Planar Backside Metallization - A solar cell includes two backside metallization materials that are simultaneously extrusion deposited on a semiconductor substrate such that both a back surface field (BSF) metal layer (e.g., Al) and a solder pad metal structure (e.g., AgAl) are coplanar and non-overlapping, and the two metals abut each other to form a continuous metal layer that extends over the backside surface of the substrate. In one embodiment, the solder pad metal is formed directly on the backside surface of the substrate, either by co-extruding the two materials in the form of a continuous sheet, or by depositing spaced apart structures that are then flattened to contact each other by way of an air jet device. In another embodiment, the solder pad metal is disposed over a thin layer of the BSF metal (i.e., either disposed directly on the BSF metal, or disposed on an intervening barrier layer) using a co-extrusion head.06-10-2010
20100126578WORKING ELECTRODE, DYE-SENSITIZED SOLAR CELL HAVING SAME AND METHOD FOR MAKING SAME - An exemplary working electrode includes a transparent conductive substrate, a nanorod layer formed on the transparent conductive substrate, and a porous semiconductor layer formed on the nanorod layer. The nanorod layer includes a plurality of nanorods. Each nanorod is comprised of a material selected from the group consisting of iridium-iridium oxide and ruthenium-ruthenium oxide. The porous semiconductor layer has a dye sensitizer adsorbed thereon.05-27-2010
20120138141SOLAR CELL - A solar cell includes a photoelectric conversion layer and a front electrode on the photoelectric conversion layer. The front electrode includes a bus bar electrode; at least one first finger electrode directly connected to the bus bar electrode; a plurality of connecting electrodes extending from the bus bar electrode and having a width smaller than a width of the bus bar electrode, wherein the plurality of connecting electrodes includes portions that are spaced apart from each other to form a space therebetween; at least one second finger electrode connected to at least one of the plurality of connecting electrodes; and an auxiliary electrode formed at the space between the portions of the plurality of connecting electrodes.06-07-2012
20100243047MADE TO A JUNCTION BOX FOR ELEMENTS CAPABLE OF COLLECTING LIGHT - The invention related to an element capable of collecting light, comprising a first substrate (09-30-2010
20100243045Photoelectric conversion device and manufacturing method of the same - To provide a photoelectric conversion device that has excellent photoelectric conversion efficiency and enhanced reliability without wide variations in performance. A manufacturing method of a photoelectric conversion device that includes a working electrode having a dye-supported metal oxide layer, a counter electrode disposed so as to face the working electrode, and an electrolyte layer enclosed between the working electrode and the counter electrode, includes: a step of preparing an electrolyte sheet in which an electrolyte is retained by a reticulated support member; and a step of enclosing the electrolyte sheet between the working electrode and the counter electrode.09-30-2010
20100258176SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate of a first conductive type having at least one via hole, an emitter layer of a second conductive type opposite the first conductive type on the substrate, a first conductor electrically connected to the emitter layer, a second conductor electrically connected to the first conductor through the via hole, and a third conductor electrically connected to the substrate. The third conductor is electrically separated from the second conductor. A portion of the first conductor and a portion of the second conductor are positioned inside the via hole.10-14-2010
20100252098Cord Plate Attachment to Photovoltaic Modules - A method of attaching a cord plate to a photovoltaic module is disclosed. The photovoltaic module has a cover plate.10-07-2010
20100252100MULTI-LAYER THIN FILM FOR PHOTOVOLTAIC CELL - A multilayer thin film for a photovoltaic cell includes a plurality of low-refractivity thin film layers and a plurality of high-refractivity thin film layers alternately coating a transparent substrate. The thickest layer of the low-refractivity thin film layers is thicker than all of the high-refractivity thin film layers and is one and half times thicker than all of the other layers of the low-refractivity thin film layers.10-07-2010
20100252105Cell Structure With High Aspect Ratio Gridlines - A cell structure (e.g., a battery or solar cell) is formed by extruding/dispensing materials on a substrate such that centrally disposed conductive high aspect ratio line structures (gridlines) are formed on the substrate surface such that each gridline has an aspect ratio greater than 2:1. Each gridline is formed with localized support structures coincidentally disposed on opposing side surfaces of the gridlines such that the gridlines are surrounded or otherwise supported by the localized support structures. The localized support structures are sacrificial in the sense that they are removed as part of the solar cell structure manufacturing process (e.g., after subsequent processing hardens the gridline material). In one embodiment each gridline has a width in the range of 100 nanometers to 100 microns. The co-extrusion process is performed such that both the central gridline and the localized support structures are in direct contact with the surface of the substrate.10-07-2010
20100252099HIGH EFFICIENCY COLORED SOLAR CELL AND MANUFACTURING METHOD THEREOF - A high efficiency colored solar cell is described. The high efficiency colored solar cell includes a substrate, a first antireflection layer formed on the substrate, a second antireflection layer formed on the first antireflection layer. A color of a reflecting light of the high efficiency colored solar cell can be controlled according to the combination of the first antireflection layer and the second antireflection layer.10-07-2010
20110232740SOLAR CELL - A solar cell includes a first conductivity-type semiconductor layer, a second conductivity-type semiconductor layer, a first electrode, and a second electrode. The first conductivity-type semiconductor layer has a front side intended to serve as a light-receiving surface. The second conductivity-type semiconductor layer is disposed on a back side of the first conductivity-type semiconductor layer, forming a p-n junction together with the first conductivity-type semiconductor layer. The first electrode passes through the second conductivity-type semiconductor layer toward the first conductivity-type semiconductor layer with a tip extending into and ending within the first conductivity-type semiconductor layer. The second electrode is disposed at a back side of the solar cell.09-29-2011
20100139753SEMICONDUCTOR DEVICE AND METHOD OF PRODUCING A SEMICONDUCTOR DEVICE - A solar cell module comprises a transparent substrate, e.g., a glass substrate. On top of the glass substrate a layer system is deposited. The layer system comprises a front electrode which may be a transparent conductive oxide (TCO) layer. Furthermore, the layer system comprises a thin film semiconductor layer deposited on the front electrode layer. A back electrode is formed on the thin film semiconductor layer which includes a very thin metal layer having a thickness d smaller than 50 nm. A Lambertian reflective layer is deposited on the thin metal layer in order to reflect light transmitted through the metal layer.06-10-2010
20100101639Optoelectronic device having a multi-layer solder and manufacturing method thereof - An optoelectronic device having a multi-layer solder is disclosed. It included a semiconductor stack, an ohmic layer and a multi-layer solder including a plurality of first type conductive material layers and a plurality of second type conductive material layers. The plurality of first type conductive material layers and the plurality of second type conductive material layers are interlaced each other and the first type conductive material layer is an alloy layer and the second type conductive material layer is a metal layer.04-29-2010
20100089444Method of making front electrode of photovoltaic device having etched surface and corresponding photovoltaic device - Certain example embodiments of this invention relate to a photovoltaic (PV) device including an electrode such as a front electrode/contact, and a method of making the same. In certain example embodiments, the front electrode has a textured (e.g., etched) surface that faces the photovoltaic semiconductor film of the PV device. The front electrode has a transparent conductive oxide (TCO) film having first and second layers (continuous or discontinuous) of the same material (e.g., zinc oxide, zinc aluminum oxide, indium-tin-oxide, or tin oxide), where the first TCO layer is sputter-deposited using a ceramic sputtering target(s) and the second TCO layer of the same material is sputter-deposited using a metallic or substantially metallic sputtering target(s). This allows the better quality TCO of the film, deposited more slowly via the ceramic target(s), to be formed using the ceramic target and the lesser quality TCO of the film to be deposited more quickly and cost effectively via the metallic target(s). After the etching, most or all of the better quality ceramic-deposited TCO remains whereas much of the lesser quality metallic-deposited TCO of the film was removed during the etching process.04-15-2010
20100200060SOLUTION BASED NON-VACUUM METHOD AND APPARATUS FOR PREPARING OXIDE MATERIALS - A high quality, highly adherent layer of a metal and oxygen material such as a transparent electrically conductive oxide material is electro deposited onto a substrate in a solution deposition process. The substrate is activated prior to the electro deposition of the metal and oxygen material thereonto by contacting it with a multidentate activating agent which promotes the adhesion of the metal and oxygen material to the substrate. Use of the activation agent eliminates the need to pre-deposit a “seed” layer of the metal and oxygen material onto the substrate by a vacuum deposition process. Process parameters are controlled so as to result in the deposition of a high quality layer of material which is suitable for use in a back reflector structure of a high efficiency photovoltaic device In particular instances the activation method may be implemented in a continuous, roll-to-roll process. Further disclosed are semiconductor devices and components of semiconductor devices made by the present process, as well as apparatus for carrying out the process.08-12-2010
20100200055METHOD OF MANUFACTURING A DYE SENSITIZED SOLAR CELL BY ATMOSPHERIC PRESSURE ATOMIC LAYER DEPOSITION (ALD) - A method of laying down one or more layers of material to reduce electrolytic reaction whilst allowing electron transfer between a conductive substrate and a light collecting charge separating layer, the layer being deposited between the conductive substrate and the light collecting charge separating layer and/or over the light collecting charge separating layer, the layer being deposited by atmospheric pressure atomic layer deposition.08-12-2010
20100200054Compound for organic photoelectric device and organic photoelectric device including the same - A compound for an organic photoelectric device, represented by the following Chemical Formula 1:08-12-2010
20100101640Optical structure and solar cell using the same - An optical structure is characterized by improving a primary lens of a photovoltaic concentrator system. The optical structure is accomplished by properly dividing the primary lens, determining required optical operational regions, and arranging the optical operational regions basing on an identical location into an annular array, thereby forming the complete optical structure. The optical structure facilitates enhancing uniformity of light distribution throughout the optical operational regions, improving photoelectric conversion efficiency of a solar cell having the optical structure, and reducing operational distance between the primary lens and the solar cell.04-29-2010
20100288354CADMIUM STANNATE TCO STRUCTURE WITH DIFFUSION BARRIER LAYER AND SEPARATION LAYER - A photovoltaic device can include a transparent conductive oxide layer adjacent to a substrate and one or more barrier layers, which can include a silicon oxide or a silicon nitride.11-18-2010
20110100446High haze transparent contact including ion-beam treated layer for solar cells, and/or method of making the same - Certain example embodiments of this invention relate to a front transparent conductive electrode for solar cell devices (e.g., amorphous silicon or a-Si solar cell devices), and/or methods of making the same. Advantageously, certain example embodiments enable high haze to be realized in the top layer of the thin film stack. In certain example embodiments, an insertion layer comprising ITO or AZO is provided between a layer of AZO and a layer of ITO. The AZO may be deposited at room temperature. The insertion layer is provided with an oxygen content selected so that the insertion layer sufficient to alter the crystalline growth of the layer of AZO compared to a situation where no insertion layer is provided. In certain example embodiments, the layer of ITO may be ion-beam treated so as to roughen a surface thereof. The ion beam treating may be performed a voltage sufficient to alter the crystalline growth of the layer of AZO compared to a situation where no insertion layer is provided.05-05-2011
20100059113DYE-SENSITIZED SOLAR CELL - A dye-sensitized solar cell is provided, which includes glass substrates (03-11-2010
20100200057Solar Cell Module - A solar cell module includes a substrate including a first surface receiving a light and a second surface disposed at a back side of the first surface, a first electrode provided on the first surface of the substrate, and a second electrode provided on the second surface of the substrate and including a first opening immediately below the first electrode, wherein a part of the periphery of the first electrode is disposed in the first opening as seen in a perspective plain view.08-12-2010
20100200059DUAL-SIDE LIGHT-ABSORBING THIN FILM SOLAR CELL - The present invention discloses a dual-side light-absorbing thin film solar cell that comprises a substrate, a p-type transparent conductive layer, a semiconductive film and a transparent conductive layer. The p-type transparent conductive layer is formed on the substrate and its material is a p-type transparent conductive material, for example, CuMO08-12-2010
20100200061Encapsulated Solar Cell - The present invention relates to an encapsulated solar cell having the following layer structure: a lower layer of thermoplastic silicone; a solar cell; an upper layer of thermoplastic silicone; a cover layer of a fluoropolymer, wherein the solar cell is sealed all around between the lower layer and the upper layer and wherein the upper layer is bonded to the cover layer.08-12-2010
20110056556DYE-SENSITIZED SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a dye-sensitized solar cell wherein an improved photoelectric conversion efficiency is realized by suppressing reverse electron transfer and improving conductivity of electrodes. Corrosion of electrodes by an electrolyte solution is greatly suppressed in the dye-sensitized solar cell. A method for manufacturing the dye-sensitized solar cell is also disclosed. The dye-sensitized solar cell comprises: an anode electrode wherein a conductive base containing at least a metal collector grid and a semiconductor porous film layer to which a sensitizing dye is adsorbed are arranged on a light-transmitting substrate; a cathode electrode so arranged as to face the semiconductor porous film layer of the anode electrode; and an electrolyte sealed between two electrode pieces, namely between the anode electrode and the cathode electrode. The dye-sensitized solar cell is characterized in that an intermediate layer is arranged between the conductive base and the semiconductor porous film layer and the intermediate layer has a water vapor transmission rate of not more than 0.1 g/(m03-10-2011
20110056555Photovoltaic Modules Containing Plasticized Intermediate Layer Films With High Volume Resistivity and Good Penetration Resistance - Plasticizer-containing films based on polyvinyl acetal and comprising more than 10 ppm of metal ions selected from the group of alkaline earth metals, zinc and aluminum and less than as 150 ppm of alkali metal ions are used for the production of photovoltaic modules. The films preferably exhibit an electrical volume resistivity of more than 1E11 ohm·cm in an ambient of 85% RH/23° C. The photovoltaic modules may be used as facade elements, roof surfaces, winter garden coverings, sound-insulating walls, balcony or balustrade elements, or as components of window surfaces.03-10-2011
20110056554SOLAR CELL AND METHOD OF MANUFACTURING SOLAR CELL - A solar cell including a semiconductor substrate having a pn junction, a silver electrode and an aluminum electrode on a rear surface of the semiconductor substrate, and an overlap region where the silver electrode and the aluminum electrode overlap each other, a glass softening point temperature of a glass component contained in the silver electrode being equal to or higher than a glass softening point temperature of a glass component contained in the aluminum electrode, and a method of manufacturing the solar cell are provided.03-10-2011
20110056553PHOTOVOLTAIC DEVICE - Methods and apparatus are provided for converting electromagnetic radiation, such as solar energy, into electric energy with increased efficiency when compared to conventional solar cells. A photovoltaic (PV) unit, according to embodiments of the invention, may have a very thin absorber layer produced by epitaxial lift-off (ELO), all electrical contacts positioned on the back side of the PV device to avoid shadowing, and/or front side and back side light trapping employing a diffuser and a reflector to increase absorption of the photons impinging on the front side of the PV unit. Several PV units may be combined into PV banks, and an array of PV banks may be connected to form a PV module with thin strips of metal or conductive polymer applied at low temperature. Such innovations may allow for greater efficiency and flexibility in PV devices when compared to conventional solar cells.03-10-2011
20110056552SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell comprises a photoelectric conversion body configured to generate photogenerated carriers upon receiving light; a first transparent conductive film formed on a first major surface of the photoelectric conversion body; and a second transparent conductive film formed on a second major surface provided on an side opposite to the first major surface, wherein the first major surface is formed by an n-type semiconductor layer, the second major surface is formed by a p-type semiconductor layer, and a hydrogen atom content of a part of the first transparent conductive film on a side close to the n-type semiconductor layer is lower than a hydrogen atom content of the second transparent conductive film.03-10-2011
20110056551SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell and a method for manufacturing the same are discussed. The solar cell includes a semiconductor substrate, a first doped region of a first conductive type, a second doped region of a second conductive type opposite the first conductive type, a back passivation layer having contact holes exposing a portion of each of the first and second doped regions, a first electrode formed on the first doped region exposed through the contact holes, a second electrode formed on the second doped region exposed through the contact holes, an alignment mark formed at one surface of the semiconductor substrate, and a textured surface that is formed at a light receiving surface of the semiconductor substrate opposite the one surface of the semiconductor substrate in which the first and second doped regions are formed.03-10-2011
20110056550SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell and a method for manufacturing the same are disclosed. The solar cell includes a substrate that contains first impurities of a first conductive type and is formed of a crystalline semiconductor, a first field region that is positioned on an incident surface of the substrate and contains second impurities of a second conductive type, an emitter region that contains third impurities of a third conductive type, is formed of a non-crystalline semiconductor, and is positioned on a non-incident surface of the substrate opposite the incident surface of the substrate, a first electrode electrically connected to the emitter region, and a second electrode electrically connected to the substrate.03-10-2011
20110056549Thin-film solar module and method of making - In a thin-film solar module comprising a transparent substrate (03-10-2011
20110056548Wafer-Based Solar Cell with Deeply Etched Structure - The present invention provides a solar cell fabricated with a single-crystalline, polycrystalline or amorphous semiconductor wafer. The semiconductor wafer has etched holes or a groove array on it. The depthes of the holes or grooves are larger than one fourth thickness of the wafer. Or, the bottom areas of the holes or grooves are within 50 micrometers to the opposite side of the wafer. Without forming a buried contact structure, the present invention shortens diffusion distance of carriers, and thus enhances opto-electric conversion efficiency.03-10-2011
20100175749SOLAR CELL AND METHOD FOR MANUFACTURING METAL ELECTRODE LAYER TO BE USED IN THE SOLAR CELL - A solar cell includes: a first electrode layer formed on a substrate; a generating layer formed on the first electrode layer; and a second electrode layer formed on the generating layer, at least one of the first electrode layer and the second electrode layer being a metal electrode layer having optical transparency, the metal electrode layer having a plurality of openings that penetrate through the metal electrode layer. The metal electrode layer includes metal parts, any two metal parts of the metal electrode layer continues to each other without a cut portion, the metal electrode layer has a film thickness in the range of 10 nm to 200 nm, and sizes of the openings are equal to or smaller than ½ of the wavelength of light to be used for generating electricity.07-15-2010
20110100452SOLAR ENERGY COLLECTOR AND METHOD OF MANUFACTURING THE SAME - A solar energy collector and a method for manufacturing the same. The solar energy collector has a solar chip, conductive wires connected to the solar chip, and a securing line that secures the solar chip and the conductive wires. The solar energy collector is rollable, foldable and expandable.05-05-2011
20100193023PHOTOVOLTAIC MODULES COMPRISING PLASTICIZED FILMS BASED ON POLYVINYL ACETAL HAVING A HIGH SPECIFIC RESISTANCE - Plasticizer-containing films based on polyvinyl acetal having a glass transition temperature Tg of at least 20° C. are useful for the production of photovoltaic modules. The films preferably have a plasticizer content of a maximum of 08-05-2010
20100000601PHOTOVOLTAIC MODULES HAVING A POLYVINYLIDENE FLUORIDE SURFACE - The invention relates to a photovoltaic module for capturing and using solar radiation having as a transparent glazing a thermoplastic structural component covered by a thin polyvinylidene fluoride layer The polyvinylidene fluoride layer is exposed to the environment and provides a chemical resistant and dirt shedding surface. The structure may contain a tie layer between the polyvinylidene fluoride layer and the structural thermoplastic to aid in adhesion.01-07-2010
20090283142QUANTUM DOT SOLAR CELL - A solar cell including a quantum dot and an electron conductor, and a bifunctional ligand disposed between the quantum dot and the electron conductor. The bifunctional ligand molecule may include an electron conductor anchor that bonds to the electron conductor and a first quantum dot anchor that bonds to the quantum dot. A hole conductor such as a conductive polymer may include a second quantum dot anchor.11-19-2009
20080308149SQUARYLIUM DYE, METHOD OF PRODUCING THE SAME, PHOTOELECTRIC CONVERSION ELEMENT CONTAINING THE DYE, AND SOLID-STATE IMAGING DEVICE - A squarylium dye represented by formula (1):12-18-2008
20090242026SEAL FILM FOR SOLAR CELL MODULE AND SOLAR CELL MODULE UTILIZING THE SAME - A seal film for solar cell module includes a resin film layer including a biaxially oriented film layer formed of a resin composition containing poly-p-phenylene sulfide as a major component; and a gas barrier layer formed of at least one selected from the group consisting of a metal, a metal oxide, an inorganic compound, and an organic compound. In the seal film for solar cell module, longitudinal and width direction heat shrink ratios at 150° C. of the seal film for solar cell module both fall within a range of −2.0% to +2.0%, and an absolute value of a difference between the longitudinal and width direction heat shrink ratios at 150° C. is 2.0% or less.10-01-2009
20090211628Rear contact solar cell and method for making same - The invention concerns a solar cell (08-27-2009
20090165848Quinacridine Derivatives and Organic Electronic Devices Using the Same - The present invention relates to a novel quinacridine derivative and an organic electronic device using the same.07-02-2009
20100218816GRID-LINE-FREE CONTACT FOR A PHOTOVOLTAIC CELL - Electrical contact to the front side of a photovoltaic cell is provided by an array of conductive through-substrate vias, and optionally, an array of conductive blocks located on the front side of the photovoltaic cell. A dielectric liner provides electrical isolation of each conductive through-substrate via from the semiconductor material of the photovoltaic cell. A dielectric layer on the backside of the photovoltaic cell is patterned to cover a contiguous region including all of the conductive through-substrate vias, while exposing a portion of the backside of the photovoltaic cell. A conductive material layer is deposited on the back surface of the photovoltaic cell, and is patterned to form a first conductive wiring structure that electrically connects the conductive through-substrate vias and a second conductive wiring structure that provides electrical connection to the backside of the photovoltaic cell.09-02-2010
20090107548STRESS-INDUCED BANDGAP-SHIFTED SEMICONDUCTOR PHOTOELECTROLYTIC/PHOTOCATALYTIC/PHOTOVOLTAIC SURFACE AND METHOD FOR MAKING SAME - Titania is a semiconductor and photocatalyst that is also chemically inert. With its bandgap of 3.0, to activate the photocatalytic property of titania requires light of about 390 nm wavelength, which is in the ultra-violet, where sunlight is very low in intensity. A method and devices are disclosed wherein stress is induced and managed in a thin film of titania in order to shift and lower the bandgap energy into the longer wavelengths that are more abundant in sunlight. Applications of this stress-induced bandgap-shifted titania photocatalytic surface include photoelectrolysis for production of hydrogen gas from water, photovoltaics for production of electricity, and photocatalysis for detoxification and disinfection.04-30-2009
20090107545TEMPLATE FOR PYRAMIDAL THREE-DIMENSIONAL THIN-FILM SOLAR CELL MANUFACTURING AND METHODS OF USE - A template 04-30-2009
20090038679Thin Multijunction Solar Cells With Plated Metal OHMIC Contact and Support - A method of forming a thin multifunction solar cell in which an electroplating process is used to form a thick metal layer to give strength and support to the solar cell. The strain of the plated thick metal layer is adjusted during the process by parameter control to compensate for the strain in the other device layers, so that the curvature of the thin device can be eliminated or otherwise controlled.02-12-2009
20090038680SOLAR BUILDING - An exemplary solar building includes a roof and a peripheral side wall enclosure supporting the roof. The roof and the peripheral sidewall enclosure are comprised of glass. A solar cell is formed on an exterior surface of the roof and the peripheral side wall enclosure. The solar cell includes a substrate, a back metal contact layer formed on the substrate, a P-type semiconductor layer formed on the back metal contact layer, a P-N junction layer formed on the P-type semiconductor layer, an N-type semiconductor layer formed on the P-N junction layer, and a front metal contact layer formed on the N-type semiconductor layer.02-12-2009
20110108103SOLAR CELL - The invention relates to a solar cell (05-12-2011
20100288348SOLAR CELL DEVICE AND METHOD FOR FABRICATING THE SAME - A solar cell device is provided, including a transparent substrate, a composite transparent conductive layer disposed over the transparent substrate, a photovoltaic element formed over the composite transparent conductive layer, and an electrode layer disposed over the photovoltaic element. In one embodiment, the composite transparent conductive layer includes a first transparent conductive layer and a second transparent conductive layer sequentially stacked over the transparent substrate, and the first transparent conductive layer is made of lithium and fluorine-codoped tin oxide and the second transparent conductive layer is made of a material selected from a group consisting of zinc oxide and titanium dioxide.11-18-2010
20090107546CO-EXTRUDED COMPOSITIONS FOR HIGH ASPECT RATIO STRUCTURES - A material set that can be used for making high aspect ratio lines includes a sacrificial feedstock comprising an organic polymer, a solvent, and one or more optional additives, and a functional material that forms a ribbon with the sacrificial feedstock without the sacrificial feedstock and the functional material substantially intermixing, wherein the sacrificial feedstock has a yield strength of greater than about 100 Pa or a viscosity of greater than about 1004-30-2009
20090071536Internal light trapping method and structure using porous monocyrstalline silicon films for photovoltaic applications - A thin photovoltaic device for solar cell applications. As used herein, the term “thin” generally means less than about 20 microns of silicon crystal material, but can also be other dimensions. The term thin should not be limited and should be construed broadly and consistently as one of ordinary skill in the art. In a specific embodiment, the device has a support substrate having a surface region. The device has a thickness of photovoltaic material overlying the surface region of support substrate and having a predefined surface texture to facilitate trapping of one or more incident photons using at least a refraction process to cause the one or more photons to traverse a longer optical path within an inner region of the thickness of material according to a specific embodiment. In a specific embodiment the longer optical path is provided relative to a shorter optical path characteristic of a surface region without the predefined surface roughness. In a specific embodiment, the device also has a dimension of about one wavelength of visible light to about two microns characterizing the thickness of the photovoltaic material.03-19-2009
20090071535ANTIREFLECTIVE COATING ON SOLAR CELLS AND METHOD FOR THE PRODUCTION OF SUCH AN ANTIREFLECTIVE COATING - Disclosed is an antireflective coating on solar cells made of crystalline silicon as well as a method for producing such an antireflective coating. The aim is to create an antireflective coating on solar cells made of crystalline silicon which makes it possible to optimize the optical and passivating properties thereof while making it possible to easily and economically integrate the production thereof into the production process especially of very thin crystalline silicon solar cells. The antireflective coating is composed of successive partial layers, i.e., a lower partial layer which covers the crystalline silicon, is embodied as an antireflective coating and as passivation with a particularly great hydrogen concentration, and is covered by an upper partial layer having an increased barrier effect against hydrogen diffusion.03-19-2009
20100294358SEMICONDUCTOR PACKAGE - A semiconductor chip and an interposer are bonded by a conductive die bonding material. Between the semiconductor chip and the interposer, an application region in which the die bonding material resides and a region in which a sealing resin resides are provided. This allows adhesivity between the semiconductor chip and the interposer to be higher than that in conventional semiconductor packages, thereby causing no detachment at the adhesive interface. As a result, it becomes possible to improve electrical property and long-term reliability as compared to conventional semiconductor packages. Moreover, it is also possible to prevent the semiconductor chip from warping.11-25-2010
20100294354PATTERNED PHOTOVOLTAIC DEVICES - A patterned photovoltaic device includes at least one photovoltaic cell, at least one carrier substrate attached to the cell, and at least one opening extending through the cell and the carrier substrate.11-25-2010
20100294352METAL PATTERNING FOR ELECTRICALLY CONDUCTIVE STRUCTURES BASED ON ALLOY FORMATION - Layered metal structures are patterned to form a surface with some locations having an alloy along the top surface at some locations and the original top metal layer at other locations along the surface. The alloy and original top metal layer can be selected to have differential etching properties such that the pattern of the alloy or original metal can be selectively etched to form a patterned metal interconnect. In general, the patterning is performed by localized heating that drives formation of the alloy at the heated locations. The metal patterning can be useful for solar cell applications as well as for electronics applications, such as display applications.11-25-2010
20100294356INTEGRATED 3-DIMENSIONAL AND PLANAR METALLIZATION STRUCTURE FOR THIN FILM SOLAR CELLS - A method operable to produce integrated 3-dimension and planar metallization structure for thin film solar cells is provided. This method involves depositing a thin film on a template mask, the template mask having both substantially flat and textured areas. The thin film is then released from the template mask. Emitters are formed on the thin film. Finally, metallization of the substantially flat areas takes place.11-25-2010
20100294359PROCESS OF FORMING A GRID ELECTRODE ON THE FRONT-SIDE OF A SILICON WAFER - A process of forming a front-grid electrode on a silicon wafer having an ARC layer, comprising the steps: 11-25-2010
20100294361PROCESS OF FORMING A GRID ELECTRODE ON THE FRONT-SIDE OF A SILICON WAFER - A process of forming a front-grid electrode on a silicon wafer having an ARC layer, comprising the steps:11-25-2010
20100294360PROCESS OF FORMING A GRID ELECTRODE ON THE FRONT-SIDE OF A SILICON WAFER - A process of forming a front-grid electrode on a silicon wafer having an ARC layer, comprising the steps: 11-25-2010
20100300519PHOTOVOLTAIC CELL FRONT FACE SUBSTRATE AND USE OF A SUBSTRATE FOR A PHOTOVOLTAIC CELL FRONT FACE - The invention relates to a photovoltaic cell having an absorbent photovoltaic material, said cell comprising a front face substrate (12-02-2010
20100300524ATOMIC LAYER DEPOSITION OF METAL SULFIDE THIN FILMS USING NON-HALOGENATED PRECURSORS - A method for preparing a metal sulfide thin film using ALD and structures incorporating the metal sulfide thin film. The method includes providing an ALD reactor, a substrate, a first precursor comprising a metal and a second precursor comprising a sulfur compound. The first and the second precursors are reacted in the ALD precursor to form a metal sulfide thin film on the substrate. In a particular embodiment, the metal compound comprises Bis(N,N′-di-sec-butylacetamidinato)dicopper(I) and the sulfur compound comprises hydrogen sulfide (H12-02-2010
20100300525INTEGRATED THIN-FILM SOLAR CELL AND MANUFACTURING METHOD THEREOF - An integrated thin-film solar cell and a method of manufacturing the same. In one aspect, the invention can be a method of manufacturing a thin-film solar cell comprising: providing a substrate on which trenches are formed separately from each other by a predetermined interval; forming a first electrode layer on a portion or the bottom side and one side of each of the trenches by using a first conductive material; forming a solar cell layer on the first electrode layer and on a portion of the trench on which the first electrode layer is not formed; forming a second electrode layer by obliquely emitting a second conductive material so that the second conductive material is deposited on the solar cell layer; etching the solar cell layer formed on the trenches such that the first electrode layer is exposed; and forming a conductive layer by obliquely emitting a third conductive material and depositing the third conductive material on the second electrode layer such that the exposed first electrode layer is electrically connected to the second electrode layer.12-02-2010
20100300521SQUARYLIUM DYES INCLUDING AN ANCHORING GROUP - The present invention relates to squarylium dyes including an anchoring group, to a method of synthesis of such dye, to an electronic device comprising such dye, and to uses of such dye.12-02-2010
20100300523DYE-SENSITIZED SOLAR CELL AND METHOD OF FABRICATING THE SAME - Provided are dye-sensitized solar cells in which a transparent conductive oxide is not used as a light receiving substrate and methods of fabricating the same. The dye-sensitized solar cell includes an upper electrode layer, which is disposed between a lower electrode layer and a photovoltaic conversion part and has through-holes, and a supporter disposed between the lower electrode layer and the light receiving substrate. The supporter may be a pore layer.12-02-2010
20100252101BACK PROTECTIVE SHEET FOR SOLAR CELL MODULE AND SOLAR CELL MODULE PROTECTED THEREBY - A back protective sheet for a solar cell module, including a three-layered composite film (10-07-2010
20100313946SOLAR CELL MODULE, LAMINATE, AND METHOD FOR PRODUCTION OF SOLAR CELL MODULE - Provided is a solar cell module which has a PCTFE film as the light-transmitting surface layer and/or back side protective sheet and is excellent in interlayer adhesion. The invention consists in a solar cell module comprising a light-transmitting surface layer, a solar cell element embedded in a filler and a back side protective sheet, wherein at least one of the light-transmitting surface layer and back side protective sheet is a polychlorotrifluoroethylene film (A) having a treated surface layer obtained by electric discharge treatment in an inert gas containing a reactive organic compound and the treated surface layer is disposed on the solar cell element side.12-16-2010
20110126900Dye-sensitized solar cell electrode and dye-sensitized solar cell - A dye-sensitized solar cell electrode includes a substrate made of a polyimide film obtained by reaction of a biphenyl tetracarboxylic acid dianhydride compound with a paraphenylenediamine compound.06-02-2011
20110126899OXIDE EVAPORATION MATERIAL, TRANSPARENT CONDUCTING FILM, AND SOLAR CELL - An oxide evaporation material according to the present invention includes a sintered body containing indium oxide as a main component thereof and cerium with a Ce/In atomic ratio of 0.001 to 0.110. The L* value in the CIE 1976 color space is 62 to 95. The oxide evaporation material with the L* value of 62 to 95 has an optimal oxygen amount. Accordingly, even when a small amount of an oxygen gas is introduced into a film-formation vacuum chamber, a transparent conducting film having a low resistance and a high transmittance in the visible to near-infrared region is formed by vacuum deposition methods. Since the amount of the oxygen gas introduced is small, the difference in composition between the film and the evaporation material is made small. This reduces the variations in composition and characteristics among films formed in large quantities.06-02-2011
20110240118METHOD AND DEVICE FOR SCRIBING A THIN FILM PHOTOVOLTAIC CELL - The present invention is a method for scribing a thin film solar cell that includes a soda lime glass substrate, a film of molybdenum (Mo), a film of copper indium gallium diselenide (GIGS), a buffering layer, a layer of zinc oxide (i-ZnO), a layer of aluminum doped zinc oxide (n-ZnO:Al or AZO), a first scribe, a conductive link and a second scribe. The method steps include producing the first scribe on the Mo film, depositing the CICS film, the buffering layer and the zinc oxide layer onto the Mo film, producing the second scribe on the CICS film, the zinc oxide layer and the buffering layer above the Mo film, depositing and filling a first insulating material into the first scribe. and depositing a second insulating material that covers the solar cell while filling the first scribe forming a conduction layer.10-06-2011
20110126897COMPOSITION FOR EXTRUDING FIBERS - The present invention relates a composition which is useful in printing by extruding a metalized fiber on a substrate. Zinc oxide is incorporated in combination with glass frit into a composition to etch the substrate and a binder polymer is used to allow extrusion of narrow fibers which also may have adequate height to provide sufficient electrical conduction. The present invention is also a process to extrude a pattern of the composition. The present invention is further directed to a solar cell formed from such composition and the process.06-02-2011
20110126901SOLAR CELL AND MANUFACTURING METHOD THEREOF - A solar cell comprises a substrate that includes a photoelectric conversion function, a first electrode provided on one surface of the substrate, a second electrode provided on other surface of the substrate, and a third electrode provided on the other surface of the substrate with its periphery overlapping the second electrode in the in-plane direction of the substrate for extracting an electric power from the second electrode. The thickness of the second electrode is larger than that of the third electrode, and the difference between the thickness of the second electrode and that of the third electrode is within a range from equal to or more than 10 micrometers to equal to or less than 30 micrometers. Thereby, in the solar cell, an electrode separation (alloy separation) can be effectively prevented.06-02-2011
20110126898SOLAR CELL CONTACT FORMATION USING LASER ABLATION - The formation of solar cell contacts using a laser is described. A method of fabricating a back-contact solar cell includes forming a poly-crystalline material layer above a single-crystalline substrate. The method also includes forming a dielectric material stack above the poly-crystalline material layer. The method also includes forming, by laser ablation, a plurality of contacts holes in the dielectric material stack, each of the contact holes exposing a portion of the poly-crystalline material layer; and forming conductive contacts in the plurality of contact holes.06-02-2011
20110126903PHOTOVOLTAIC DEVICE - A photovoltaic device in which, by optimizing the structures for a substrate-side transparent electrode layer, an intermediate layer, and a back electrode layer, the extracted electrical current can be increased. The photovoltaic device includes at least a transparent electrode layer, a photovoltaic layer and a back electrode layer provided on a substrate, wherein the surface of the transparent electrode layer on which the photovoltaic layer is disposed includes a textured structure composed of ridges and a fine micro-texture provided on the surface of the ridges, the pitch of the textured structure is not less than 1.2 μm and not more than 1.6 μm, the height of the ridges is not less than 0.2 μm and not more than 0.8 μm, the pitch between peaks in the fine micro-texture is not less than 0.05 μm and not more than 0.14 μm, and the height of peaks is not less than 0.02 μm and not more than 0.1 μm.06-02-2011
20120240995FOIL-BASED INTERCONNECT FOR REAR-CONTACT SOLAR CELLS - A rear-contact solar cell interconnect is disclosed. The rear-contact solar cell interconnect includes a first conductive foil with an opening and a second conductive foil. The first conductive foil is arranged to be electrically connected to a first polarity contact of a solar cell. The second conductive foil is arranged to be electrically connected to a second polarity contact of the solar cell through the opening of the first conductive foil. The solar cell includes a first surface arranged to receive solar irradiation and a second surface substantially opposite the first surface. The first polarity contact and the second polarity contact are provided on the second surface of the solar cell.09-27-2012
20100236619LIGHT TRANSMISSION TYPE SOLAR CELL AND METHOD FOR PRODUCING THE SAME - The present invention provides a light transmission type solar cell excellent in both power generation efficiency and light transparency, and also provides a method for producing that solar cell. The solar cell of the present invention comprises a photoelectric conversion layer, a light-incident side electrode layer, and a counter electrode layer. The incident side electrode layer is provided with plural openings bored through the layer, and has a thickness of 10 nm to 200 nm. Each of the openings occupies an area of 80 nm09-23-2010
20100224247Enhancement of Semiconducting Photovoltaic Absorbers by the Addition of Alkali Salts Through Solution Coating Techniques - In particular embodiments, a method is described for forming photovoltaic devices that includes providing a substrate suitable for use in a photovoltaic device, depositing a conductive contact layer over the substrate, depositing a salt solution over the surface of the conductive contact layer, the solution comprising a volatile solvent and an alkali metal salt solute, and depositing a semiconducting absorber layer over the solute residue left by the evaporated solvent.09-09-2010
20110126896Photovoltaic Devices and Methods for Producing the Same - Disclosed herein are hybrid solar cells and methods for fabricating the same. In one aspect, the method is characterized in transferring nanowires from one substrate to another substrate. In another aspect, the method is characterized in having an organic active layer that is not made of [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) and said organic active layer comprises nanowires embedded therein.06-02-2011
20110023956REAR-CONTACT SOLAR CELL HAVING EXTENSIVE REAR SIDE EMITTER REGIONS AND METHOD FOR PRODUCING THE SAME - The invention relates to a rear-contact solar cell and to a method for producing the same. The rear-contact solar cell comprises a semiconductor substrate on the rear side surface of which emitter regions, contacted by emitter contacts, and base regions, contacted by base contacts, are defined. The emitter regions and the base regions overlap at least in overlap regions, the emitter regions in the overlap regions reaching deeper into the semiconductor substrate than the base regions, when seen from the rear side surface of the solar cell. As a result, a large area percentage of the rear side of the semiconductor substrate can be covered with a charge-collecting emitter, said emitter being at least partially buried in the interior of the semiconductor substrate so that there is no risk of the base contacts provoking a short circuit towards the buried emitter regions.02-03-2011
20120145233BACK CONTACT SOLAR CELL AND MANUFACTURING METHOD THEREOF - A back contact solar cell and a method for manufacturing the back contact solar cell are discussed. The back contact solar cell includes a substrate made of crystalline silicon having a first conductivity type, a passivation layer on one side of the substrate, an antireflection layer on the passivation layer, a first electrode on the other side of the substrate, a second electrode on the other side of the substrate and separated from the first electrode, a first semiconductor layer disposed between the first electrode and the substrate and having the first conductivity type, and a second semiconductor layer disposed between the second electrode and the substrate and having a second conductivity type that is opposite to the first conductivity type. The passivation layer includes at least one of amorphous silicon oxide and amorphous silicon carbide.06-14-2012
20110000536Solar cell and method of manufacturing the same - The present invention relates to solar cells. Such solar cells include a substrate containing a first impurity of a first conductive type and having a textured surface with a plurality of jagged portions. Such solar cells also have an emitter layer positioned on the textured surface and containing a second impurity of a second conductive type opposite to the first conductive type, a first electrode having a plurality of first metal particles, electrically connected to the emitter layer, and a second electrode electrically connected to the substrate. The diameter of the first metal particles is larger than the peak-to-peak distance between adjacent jagged portions.01-06-2011
20110126902APPARATUS AND METHOD FOR MANUFACTURING THIN FILM SOLAR CELL, AND THIN FILM SOLAR CELL - An apparatus for manufacturing a thin film solar cell that increase homogeneity in film characteristics. In a process of conveying a substrate from one roll to another roll, a power generation layer, which is a laminated body of a plurality of semiconductor layers, is formed in a plurality of film formation compartments partitioned along a conveying direction between the roll pair. A plurality of flat application electrodes are laid out in the conveying direction facing toward the substrate in each film formation compartment. Each flat application electrode includes a power supply terminal supplied with high frequency power in a VHF band. When the wavelength of the high frequency power is represented by λ, the distance between an edge of the flat application electrode and the power supply terminal is set to be shorter than λ/4 in a direction orthogonal to the conveying direction.06-02-2011
20110017288Thin film type solar cell and method of manufacturing the same - There is provided a thin film type solar cell including: a crystalline silicon wafer subject to surface texturing and forming an n-type semiconductor layer; a pn junction formed of a non-crystalline p-type silicon layer deposited on one surface of the crystalline silicon wafer and a non-crystalline n-type silicon layer deposited on the other surface thereof; a transparent surface electrode formed outward of the pn junction; a water repellent light transmitting layer formed on the pn junction, the surface electrode, or both the pn junction and the surface electrode and allowing for an increase in light transmittance; and a pattern electrode formed on the surface electrode or the water repellent light transmitting layer.01-27-2011
20110000538NON-IMAGING SOLAR CONCENTRATOR REFLECTOR FOR PHOTOVOLTAIC CELLS - The invention discloses a non-imaging reflecting surface optimized for concentrating solar energy onto a high efficiency solar cell. It provides for accurate mapping of solar radiation from the reflector to the cell. Additionally it provides for using only that portion of the surface that participates in the radiation transfer and it creates substantially uniform radiation intensity on the cell surface. The uniformity applies to both the spectral and the intensity distribution of the radiation on the cell. The reflecting surface is an off-axis parabolic surface trimmed to include only ray intercepts that travel to the solar cell surface. The solar cell is located off-focus so that rays from the reflector intercept the cell surface according to a predetermined mapping.01-06-2011
20110000540Back Side Contact Solar Cell Structures And Fabrication Processes - In one embodiment, active diffusion junctions of a solar cell are formed by diffusing dopants from dopant sources selectively deposited on the back side of a wafer. The dopant sources may be selectively deposited using a printing method, for example. Multiple dopant sources may be employed to form active diffusion regions of varying doping levels. For example, three or four active diffusion regions may be fabricated to optimize the silicon/dielectric, silicon/metal, or both interfaces of a solar cell. The front side of the wafer may be textured prior to forming the dopant sources using a texturing process that minimizes removal of wafer material. Openings to allow metal gridlines to be connected to the active diffusion junctions may be formed using a self-aligned contact opening etch process to minimize the effects of misalignments.01-06-2011
20110000535Spanish shingles with photovoltaic cells, method of producing and method of installation - A photovoltaic shingle having a photovoltaic assembly with a photovoltaic cell or cells. The substrate has an outward face and an inward face and a profile having a plurality of traverse parallel ridges with each ridge separated from the next ridge by a traverse parallel trough. The substrate facilitates vertical and horizontal nesting and alignment. The photovoltaic cell substantially spans the outward face except for a portion thereof that is intended to be overlapped by another similar shingle. The substrate can have two tiers or more, each tier being separated by an integral riser that creates the appearance of two rows or more of shingles. The substrate can be produced from recyclable plastic. The shingles have a translucent color enhancing means for imparting an uniform color and can be produced in many colors and shapes. The shingle is attached directly to a building or roof structure without an intermediary support or framing structure therebetween.01-06-2011
20110023962Solar Cell Element and Solar Cell Module - A solar cell element comprising a semiconductor substrate including a first surface to receive light, and a second surface provided on a back side of the first surface, a plurality of base collector electrodes provided on the second surface of the semiconductor substrate, a plurality of collector electrodes provided on the plurality of base collector electrodes, a connector electrode to electrically connect the collector electrodes adjacent to each other across a region between the plurality of base collector electrodes among the plurality of collector electrodes. A first extracting electrode provided between the plurality of base collector electrodes, and a second extracting electrode electrically connected to at least one of the plurality of collector electrodes.02-03-2011
20110023960SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a p-n structure having a first conductive semiconductor substrate, a second conductive semiconductor layer formed on the first conductive semiconductor substrate and having a conduction opposite to the first conductive semiconductor substrate, and a p-n junction formed at an interface between the first and second conductive semiconductor substrate/layer; a first anti-reflection film formed on the second conductive semiconductor layer and composed of SiNx:H thin film with 40-100 nm thickness; a second anti-reflection film formed on the first anti-reflection film and composed of silicon oxy-nitride; a front electrode formed on the second anti-reflection film in a predetermined pattern and connected to the second conductive semiconductor layer through the first and second anti-reflection films; and a rear electrode formed at an opposite side to the front electrode with the first conductive semiconductor substrate being interposed therebetween to be connected to the first conductive semiconductor substrate.02-03-2011
20110023959Photovoltaic Cell Substrate And Method Of Manufacturing The Same - A photovoltaic cell substrate and a method of manufacturing the same. The photovoltaic cell substrate includes a transparent substrate and a transparent conductive film. The transparent conductive film includes zinc oxide (ZnO) which is doped with a dopant and is formed over the transparent substrate. A surface charge activated layer is formed on a surface of the transparent conductive film by Rapid-Thermal-Annealing.02-03-2011
20110023958SOLAR CELL AND METHOD OF FABRICATION THEREOF - A solar cell and a method of fabricating solar cells. The method includes a step of separating neighbor solar cells formed on a semiconductor wafer by scribing the wafer to form scribe lines on the wafer and applying a force at, or adjacent to, the scribed lines to separate the solar cells. The scribing is effected on a cap layer covering a window layer of solar cells, thereby minimizing damage to the window layer and mitigating propagation of defects into p-n junctions formed in the solar cells.02-03-2011
20110023957PHOTOVOLTAIC CELLS INCLUDING PEAKS AND METHODS OF MANUFACTURE - Photovoltaic module and methods for the manufacture of photovoltaic modules are described. Operative layers of the photovoltaic cell are deposited onto a superstrate having one or more of at least one peak allowing for electrical isolation of a portion of a photovoltaic module and at least one ramp creating a series connection between individual photovoltaic cells with minimal loss of the efficiency due to dead space between the cells.02-03-2011
20110023961Melt Planarization Of Solar Cell Bus Bars - Solar cells include bus bars and high aspect-ratio gridlines that are printed on a substrate, and localized melting is induced to slump or flatten the gridline “vertex” portions that are disposed on the bus bars, while maintaining the high aspect-ratio of gridlines portions disposed on the substrate between the bus bars. The localized melting process is induced using one of several disclosed methods, such as rheological melting in which the two printed inks produce a compound that is relatively liquid. Localized melting is also induced using a deliquescing material (e.g., a flux or a solvent film) that is applied to the bus bar or gridline material. Also, eutectic melting is induced using a processing temperature that is between a melting point of the combined gridline/bus bar inks and the individual melting points of the inks alone. Laser-based melting and the use of copolymers is also disclosed.02-03-2011
20110030773PHOTOVOLTAIC CELL WITH BACK-SURFACE REFLECTIVITY SCATTERING - Crystal oriented photovoltaic cells with increased efficiency are disclosed herein. In an exemplary embodiment, a photovoltaic device includes a metal substrate with a crystalline orientation comprising a diffracting structure integrated into a surface of the metal substrate. The photovoltaic device includes a heteroepitaxial crystal silicon layer having the crystalline orientation of the metal substrate and a heteroepitaxially grown buffer layer having the crystalline orientation. The buffer layer is positioned adjacent to the surface of the metal substrate having the diffracting structure.02-10-2011
20110030779SILICON SOLAR CELL - A silicon solar cell includes a silicon substrate (02-10-2011
20110030780SOLAR CELL - A solar cell includes: a substrate having optical transparency; a photoelectric converter provided on the substrate, including a top-face electrode having optical transparency, a photoelectric conversion layer, and a back-face electrode having light reflectivity; and a low-refractive conductive layer whose refractive index is less than or equal to 2.0, the low-refractive conductive layer being made of a conductive material having optical transparency, being adjacent to the photoelectric conversion layer, and being disposed on a side of the photoelectric conversion layer opposite to the substrate.02-10-2011
20110030776Photovoltaic device back contact - A photovoltaic device back contact is disclosed. The back contact can include an indium nitride.02-10-2011
20110030781PASTE FOR DYE-SENSITIZED SOLAR CELL, TRANSPARENT INSULATION FILM FOR DYE-SENSITIZED SOLAR CELL, DYE-SENSITIZED SOLAR CELL, AND DYE-SENSITIZED SOLAR CELL FABRICATION METHOD - A paste containing a silica polymer, made by substituting at least some of the surface functional groups thereof with alkyl groups, and solvent-removable inorganic particles is prepared, and the paste is applied and fired to form a transparent insulating film in a dye-sensitized solar cell.02-10-2011
20110030775SOLAR CELL MODULE AND METHOD OF MANUFACTURING THE SAME - A method for fabricating a solar cell module includes disposing a reflective layer on one side of a thin film solar cell, and laminating the reflective layer with the thin film solar cell. The reflective layer is prepared separately from the thin film solar cell.02-10-2011
20110030774Inverted Metamorphic Multijunction Solar Cells with Back Contacts - A method of manufacturing a solar cell by providing a first substrate; depositing sequentially on the first substrate a plurality of semiconductor layers, the plurality of semiconductor layers comprising a first layer and a last layer in the direction of deposition; forming a backside contact layer on the last semiconductor layer; forming on the last semiconductor layer a back cathode contact isolated from at least a first portion of the backside contact layer, the first portion forming the anode contact; attaching a second substrate on the backside contact layer and removing the first substrate to expose the first semiconductor layer and to define a front surface and an opposite back surface of a solar cell; forming a front cathode contact on the front surface of the solar cell; etching a first trench through the plurality of semiconductor layers to define an active portion of the solar cell with a first mesa structure including the front cathode contact and the anode contact and being surrounded by the first trench, the first mesa having a first sidewall in the first trench and a lateral peripheral region beyond the sidewall, and forming in the lateral peripheral region an electrically conductive layer extending from the front surface where it is electrically connected to the front cathode contact along the first sidewall of the first trench to be electrically connected to the back cathode contact.02-10-2011
20110030778Method of Passivating and Reducing Reflectance of a Photovoltaic Cell - Disclosed is a method of passivating and reducing reflectance of a silicon photovoltaic cell. The method includes the step of providing a silicon wafer of a solar cell having a major surface. A passivation layer of silicon nitride is applied on at least 98 percent of the major surface through a vacuum deposition process. An index-matching film structure, different from silicon nitride, is applied on top of the passivation layer. The index matching film structure provides the majority of the antireflective property of the combination of the passivation layer and the index matching film structure.02-10-2011
20110030771Organic photosensitive optoelectronic device with near-infrared sensitivity - An organic photosensitive optoelectronic device having near infrared sensitivity and the method of fabrication thereof are described. The organic photosensitive optoelectronic device comprises a first electrode and a second electrode and organic photoactive materials comprising ClAlPc.02-10-2011
20090065053Photovoltaic device - A photovoltaic device employs several major components or features which work together to provide a device that allows for the use of many different photoactive chemicals simultaneously to more efficiently convert solar energy into electrical energy. In the order of sunlight impingement, the components comprise: a physical interruption device, a resolving mechanism and a gap or space between the resolving mechanism and the next component, a chemical composition of photoactive chemicals. An electron capture mechanism includes electrodes which derive the electrical charge from the electron capture mechanism. The last feature is an electronic control mechanism which coordinates the polarity of the electrodes and the movement of the photo interruption device. Polarity reversal and pulsed excitation are key to the operation of the device.03-12-2009
20090065050Method and structure for textured thermal cut for photovoltaic applications for thin films - A photovoltaic device and related methods of manufacture. The device has a support substrate having a support surface region. The device has a thickness of crystalline material overlying the support surface region of the support substrate. Preferably, the thickness of material has an upper surface region. The device has a glue layer provided between the support surface region and the thickness of material according to a specific embodiment. In a preferred embodiment, the device has a textured surface region formed overlying from the upper surface region of the thickness of crystalline material. Depending upon the embodiment, the device has a plurality of elevated regions having a first thickness defining a first portion of the textured surface region and a plurality of recessed regions having a second thickness defining a second portion of the textured surface region.03-12-2009
20090065049Getter Paste Composition - The present invention relates to a getter paste composition, and more particularly, to a getter paste composition which is quickly densified at low densification temperatures to be applied to a device that is weak to heat, provides good adhesiveness, controls moisture and gas effectively and is screen-printable to thereby improve productivity.03-12-2009
20100224245Deposition of Photovoltaic Thin Films by Plasma Spray Deposition - In particular embodiments, a method is described for depositing thin films, such as those used in forming a photovoltaic cell or device. In a particular embodiment, the method includes providing a substrate suitable for use in a photovoltaic device and plasma spraying one or more layers over the substrate, the grain size of the grains in each of the one or more layers being at least approximately two times greater than the thickness of the respective layer.09-09-2010
20110240113SOLAR CELL STRUCTURE - A solar cell structure includes a silicon crystal having at least one slant penetrating hole, the penetrating hole internally having at least one inclined surface; an emitter covering the silicon crystal and the inclined surface in the penetrating hole; and a first metal electrode being electrically connected to the emitter and located in the penetrating hole of the silicon crystal at a bottom thereof. By forming the inclined surface having an inclination angle in the slant penetrating hole, light incident upon the inclined surface of the penetrating hole can have a length-increased optical path in the solar cell to thereby enhance the photocurrent of the solar cell.10-06-2011
20100132786PHOTOELECTRIC CONVERSION ELEMENT AND METHOD OF PRODUCING THE SAME - The present invention provides a photoelectric conversion element having a high power generation efficiency, raising no problem of corrosion, and being applicable to a substrate having a low heat resistance, as well as a method of producing the same. It is a photoelectric conversion element formed in such a manner that a reference electrode serving as a negative electrode and a counter electrode serving as a positive electrode are arranged to oppose each other. The reference electrode is constructed by forming a photocatalyst film (06-03-2010
20100132784DYE SENSITIZED SOLAR CELL WITH SEPARATION MEMBRANE AND METHOD THEREOF - Disclosed herein is a dye-sensitized solar cell provided with a separation membrane between a photoelectrode and a counter electrode, in which, because the separation membrane serves as a support, it is possible to prevent damage thereto, the shorting between the two electrodes, and the leaning phenomenon of an electrolyte, and in which, because the separation membrane serves as a support, unit cells having large areas can be fabricated, so that the effective area thereof is increased, thereby realizing a highly efficient cell.06-03-2010
20110017291DIFFUSING AGENT COMPOSITION FOR INK-JET, AND METHOD FOR PRODUCTION OF ELECTRODE OR SOLAR BATTERY USING THE COMPOSITION - Provided are: a diffusing agent composition for ink-jet; a method for production of electrode and solar battery using the diffusing agent composition; and a solar battery produced by the method for production. The diffusing agent composition for ink-jet includes (a) a silicon compound, (b) an impurity-diffusing component and (c) a solvent, in which: the solvent (c) contains (c1) a solvent having a boiling point of no higher than 100° C. and (c2) a solvent having a boiling point of 180 to 230° C.; and the solvent (c1) is contained at a ratio of 70 to 90% by mass and the solvent (c2) is contained at a ratio of 1 to 20% by mass both relative to the total mass of the composition.01-27-2011
20110017290METHOD FOR MANUFACTURING SOLAR CELL AND SOLAR CELL MANUFACTURED BY THE METHOD - A method for manufacturing a solar cell includes (S1) forming, on a first conductive semiconductor substrate, a second conductive semiconductor layer having an opposite conduction type by means of ion implantation to form a pn junction in an interface thereof; (S2) treating an alkali solution on the second conductive semiconductor layer for texturing; (S3) forming an antireflection film on the textured second conductive semiconductor layer; (S4) forming a front electrode to pass through a partial region of the antireflection film and connect to a part of the second conductive semiconductor layer; and (S5) forming a rear electrode at an opposite side to the front electrode with the first conductive semiconductor substrate being interposed therebetween such that the rear electrode is connected to the first conductive semiconductor substrate. The second conductive semiconductor layer, namely an emitter layer, functions as an etch stop layer.01-27-2011
20110017289CIGS SOLAR CELL AND METHOD OF FABRICATING THE SAME - Provided are a CIGS solar cell and a method of fabricating the CIGS solar cell. In the method, a buffer layer exposing protrusions is formed. Then, a window electrode layer having an uneven surface conforming with the protrusions of the buffer layer is formed. Thus, an additional process for making the upper surface of a window electrode layer rough is unnecessary in order to decrease surface reflectance of incident sunlight and increase the solar cell efficiency, so that productivity can be improved.01-27-2011
20110083730DERIVATIVES OR DIPYRANNYLIDENE TYPE AS ANODE INTERFACE LAYER IN ELECTRONIC DEVICES - The present invention relates to substrates coated with films comprising compounds of general formula (I) below:04-14-2011
20110083737TITANIUM OXIDE-COVERED CARBON FIBER AND POROUS TITANIUM OXIDE-COVERED CARBON MATERIAL COMPOSITION - With a view to realizing a titanium oxide composite that has a large surface area and that enables efficient transfer of electrons by covering a surface of rod-like or fibrous carbon with a covering layer comprising titanium oxide particles connected to one another, an object of the invention is to develop a material useful as an active material for dye-sensitized solar cells, and a process for producing the material; a porous titanium oxide-covered carbon material composition, and a process for producing the composition; and a photoelectric conversion element comprising the titanium oxide-covered carbon material or porous titanium oxide-covered carbon material composition.04-14-2011
20110083731Solar-cell device with efficiency-improving nanocoating and method of manufacturing thereof - A solar cell device of improved efficiency consists of a photovoltaic solar cell and an efficiency-improving antireflective nanocoating film that is applied on the solar cell and interacts with the photovoltaic process of the cell. The coating film has a thickness ranging from 100 nm to 100 μm, and comprises a dielectric material that contains metal nanoparticles having dimensions from 4.5 to 10 nm and concentration ranging from 1 to 5%. The effect of improved efficiency is presumably obtained due to organization of nanoparticles into specific clusters. The method of manufacturing the solar-cell device of the invention comprises preparation of the polymer solution that contains uniformly dispersed metal nanoparticles of silver, gold, or another diamagnetic metal and forming the aforementioned coating film by heat-treating and drying the applied solution under specific conditions.04-14-2011
20090065051Method and structure for hydrogenation of silicon substrates with shaped covers - Method and structure for hydrogenation of silicon substrates with shaped covers. According to an embodiment, the present invention provides a method for fabricating a photovoltaic material. The method includes providing a semiconductor substrate. The method also includes forming a crystalline material characterized by a plurality of worm hole structures therein overlying the semiconductor substrate. The worm hole structures are characterized by a density distribution from a surface region of the crystalline material to a defined depth within a z-direction of the surface region to form a thickness of material to be detached. The method further includes providing a glue layer overlying a surface region of the crystalline material. The method includes joining the surface region of the crystalline material via the glue layer to a support substrate.03-12-2009
20100139759OPTICAL DEVICE - The present invention relates to an optical device and to a method of fabricating the same. In embodiments, the invention relates to a photovoltaic device or solar cell. The optical device comprises a first electrode and a second electrode and an active element disposed between the first and second electrodes. The active element comprising a plurality of semiconducting structures extending in a lengthwise direction from the first electrode and being in contact with the first and second electrodes; the active element comprises an np-junction. For the semiconducting structures, at least a part of the structures is of a general plate or flake shape. In embodiments, the semiconducting structures have at least one characteristic dimension in the nanometer range.06-10-2010
20110209752MICROSTRUCTURED GLASS SUBSTRATES - Light scattering inorganic substrates comprising monolayers and methods for making light scattering inorganic substrates comprising monolayers useful for, for example, photovoltaic cells are described herein. One embodiment is a method for making a light scattering inorganic substrate. The method comprises providing an inorganic substrate comprising at least one surface, forming a monolayer of inorganic particles on the at least one surface to form a coated substrate, heating the coated substrate above the softening point of the inorganic substrate, and pressing the inorganic particles into the at least one surface form the light scattering inorganic substrate.09-01-2011
20090320920HIGH EFFICIENCY PHOTOVOLTAIC CELL AND MANUFACTURING METHOD FREE OF METAL DISULFIDE BARRIER MATERIAL - A method for forming a thin film photovoltaic device includes providing a transparent substrate comprising a surface region and forming a first electrode layer overlying the surface region. Additionally, the method includes forming a copper indium material comprising an atomic ratio of Cu:In ranging from about 1.35:1 to about 1.60:1 by at least sputtering a target comprising an indium copper material. The method further includes subjecting the copper indium material to thermal treatment process in an environment containing a sulfur bearing species. Furthermore, the method includes forming a copper indium disulfide material from at least the thermal treatment process of the copper indium material and maintaining an interface region between the copper indium disulfide material and electrode substantially free from a metal disulfide layer, which has different semiconductor characteristics from the copper indium disulfide material. Moreover, the method includes forming a window layer overlying the copper indium disulfide material.12-31-2009
20110120552METHOD FOR PRODUCING A MONOCRYSTALLINE SOLAR CELL - A method for producing a monocrystalline solar cell having a passivated back side and a back side contact structure, having the following steps: applying a passivating dielectric layer onto the back side of the cell over the entire surface; removing the passivating layer locally in the area of bus bars and local contact locations; coating the back side of the cell homogeneously to develop an unpatterned, thin metal layer, which touches the surface of the substrate material in the areas free of the passivating layer; generating a thick layer from a conductive paste in the area of the bus bars and the local contact locations; and sintering of the thick layer at a temperature above a predefined eutectic temperature, and the formation of a eutectic, low-resistance connection of the thin metal layer to the surface of the substrate material as well as to the conductive particles of the thick layer paste.05-26-2011
20110083732Novel ruthenium complex and photoelectric component using the same - The present invention relates to a ruthenium complex and a photoelectric component using the same, and the ruthenium complex is represented by the following formula (I):04-14-2011
20110083733POWER INVERTER DOCKING SYSTEM FOR PHOTOVOLTAIC MODULES - An electronics module docking system includes docking member removably coupled to a photovoltaic module. The docking system includes a first connector port electrically coupled to one or more photovoltaic cells of the photovoltaic module. The photovoltaic module is selectively coupleable to the docking member. The docking system includes a housing to enclose an electronics module. The housing may include second connector port that is selectively engageable to the power electronics module. The power electronics module and the photovoltaic cells are electrically coupled to one another upon selective engagement of the connector ports. The inverter housing is receivable by and removably coupleable to the docking member allowing the inverter housing to be removably coupleable to the photovoltaic module.04-14-2011
20110083736WETTING RESISTANT MATERIALS AND ARTICLES MADE THEREWITH - Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials, methods for making these articles and materials, and methods for protecting articles using coatings made from these materials. One particular embodiment is an article that comprises a coating having a surface connected porosity content of up to about 5 percent by volume. The coating comprises a material that comprises a primary oxide and a secondary oxide, wherein (i) the primary oxide comprises a cerium cation, and (ii) the secondary oxide comprises a cation selected from the group consisting of the praseodymium and neodymium. The material is transparent to electromagnetic radiation of at least one type selected from the group consisting of ultraviolet radiation, visible light, and infrared radiation.04-14-2011
20100032010METHOD TO MITIGATE SHUNT FORMATION IN A PHOTOVOLTAIC CELL COMPRISING A THIN LAMINA - A photovoltaic cell can be formed from a thin semiconductor lamina cleaved from a substantially crystalline wafer. Shunts may inadvertently be formed through such a lamina, compromising device performance. By physically severing the lamina into a plurality of segments, the segments of the lamina preferably electrically connected in series, loss of efficiency due to shunt formation may be substantially reduced. In some embodiments, adjacent laminae are connected in series into strings, and the strings are connected in parallel to compensate for the reduction in current caused by severing the lamina into segments.02-11-2010
20100243046METHOD OF FORMING A PROTECTIVE LAYER ON THIN-FILM PHOTOVOLTAIC ARTICLES AND ARTICLES MADE WITH SUCH A LAYER - Chalcogenide based photovoltaic devices cells with good resistance to environmental elements can be formed by direct low temperature deposition of inorganic barrier layers onto the film. A unique multilayer barrier can be formed in a single step when reactive sputtering of the silicon nitride onto an inorganic oxide top layer of the PV device.09-30-2010
20100218819SEMICONDUCTOR OPTOELECTRONIC DEVICES AND METHODS FOR MAKING SEMICONDUCTOR OPTOELECTRONIC DEVICES - A semiconductor-based optoelectronic device such as a solar cell has an n-type layer and a p-type layer, together forming a p-n junction. Contact regions are formed on the device, with light-receiving regions between contact regions. A window layer is formed over the n-type layer or the p-type layer at the light-receiving region, the window layer promoting reduced carrier recombination at the surface of the n-type or p-type layer, and/or reflection of minority carriers in the n-type or p-type layer towards the p-n junction. The device has a window protection layer formed over the window layer, the window protection layer providing protection from degradation of the window layer during manufacture and/or operation of the device. For GaAs-based devices the window layer may be Al0.9Ga0.1As and the window protection layer may be GaAs. Additionally, an AlAs etch stop layer may be provided over the window protection layer.09-02-2010
20110079280SELF-REMEDIATING PHOTOVOLTAIC MODULE - A method for manufacturing a photovoltaic module may include forming a photovoltaic device including a constituent material; forming a hydrophilic material adjacent to the constituent material, where the hydrophilic material includes polyethylene; and depositing a remediation agent adjacent to the hydrophilic material, such that the remediation agent is proximate to, but not contacting the constituent material.04-07-2011
20110079281PHOTOVOLTAIC SOLAR CELL AND METHOD OF PRODUCTION THEREOF - A solar cell comprising a base layer of p-doped silicon and an emitter layer of n-doped silicon, where an electrode is arranged regionally on the emitter layer and optionally it passivation layer is arranged regionally on the back surface of the base layer and a layer of a dielectric, the entire area of which is covered with a metal layer, is arranged regionally thereon, where the metal layer is in electrically conducting contact via an interlayer with the base layer over the regions not covered by the layer of dielectric and the interlayer comprises a mixed phase from the material of the passivation layer and the material of the metal layer. The present invention further relates to a method of production of said solar cell.04-07-2011
20110240114METHOD OF FORMING A NEGATIVELY CHARGED PASSIVATION LAYER OVER A DIFFUSED P-TYPE REGION - The present invention generally provides a method of forming a high quality passivation layer over a p-type doped region to form a high efficiency solar cell device. Embodiments of the present invention may be especially useful for preparing a surface of a boron doped region formed in a silicon substrate. In one embodiment, the methods include exposing a surface of the solar cell substrate to a plasma to clean and modify the physical, chemical and/or electrical characteristics of the surface and then deposit a charged dielectric layer and passivation layer thereon.10-06-2011
20110240116PHOTOELECTRIC CONVERSION DEVICE AND PROCESS FOR PRODUCTION THEREOF - Disclosed herein is a process for producing a photoelectric conversion device, including the steps of: coating the surface of a conductive substrate with a porous catalyst layer; coating the surface of the conductive substrate with a porous insulating layer in such a way as to cover the porous catalyst layer; coating the surface of the porous insulating layer with a current collecting layer; coating the surface of the porous insulating layer with a porous metal oxide semiconductor layer in such a way as to cover the current collecting layer; allowing the porous metal oxide semiconductor layer to support a dye; impregnating the porous metal oxide semiconductor layer, the porous insulating layer, and the porous catalyst layer with an electrolyte solution; and forming a transparent sealing layer in such a way as to cover at least the porous insulating layer and the porous metal oxide semiconductor layer.10-06-2011
20110240115DOPED BUFFER LAYER - A solar cell with a doped buffer layer includes silicon and tin.10-06-2011
20110240112FLEXIBLE DYE-SENSITIZED SOLAR CELL AND PREPARATION METHOD THEREOF - Provided are a flexible dye-sensitized solar cell and a method for producing the same. More particularly, provided is a method for producing a flexible dye-sensitized solar cell, including: (Step 1) disposing a flexible polymer substrate having a transparent conductive oxide layer deposited thereon in a chamber; (Step 2) spraying oxide semiconductor powder with a size of 1 nm-10 μm carried by a gas onto the flexible polymer substrate having a transparent conductive oxide layer deposited thereon, at a velocity of 100-1200 m/sec by using a spray nozzle, to deposit an oxide semiconductor layer; (Step 3) allowing a dye to be adsorbed onto the oxide semiconductor layer to provide a working electrode; (Step 4) forming a catalyst layer on the top of a transparent substrate having a transparent conductive oxide layer thereon to provide a counter electrode; and (Step 5) allowing the working electrode obtained from Step 3 and the counter electrode obtained from Step 4 to face each other, laminating the two electrodes with each other, and injecting an electrolyte. A flexible dye-sensitized solar cell obtained by the method is also provided.10-06-2011
20110240111CARBON NANOTUBE ASSEMBLY, SOLAR CELL, WAVEGUIDE AND SUBSTRATE WITH THE SAME CARBON NANOTUBE ASSEMBLY - According to one embodiment, a carbon nanotube assembly includes a plurality of carbon nanotubes having a length of 10 μm or less in a major axis direction assembled with a space filling rate of 30% or more.10-06-2011
20110240110RUTHENIUM COMPLEX AND DYE-SENSITIZED FUEL CELL USING THE SAME - A ruthenium complex having at least one selected from an alkyl thiophene unit and a unit in which thiophenes are linked to aromatic rings in the form of a pentagonal ring and a dye-sensitized solar cell using the same.10-06-2011
20110240117PHOTOVOLTAIC DEVICE WITH TRANSPARENT CONDUCTING LAYER - A method of manufacturing structure may include forming a layer including cadmium and tin adjacent to a substrate, annealing the layer in a first annealing environment including a reducing agent, then annealing the layer in a second annealing environment including nitrogen.10-06-2011
20110120550PHOTOELECTRIC CONVERSION ELEMENT - The present invention provides a photoelectric conversion element in which bending resistance and impact resistance can be improved. The photoelectric conversion element of the present invention comprises a structure, a case into which the structure is built, and a deformable body disposed between the structure and the case. The structure is composed of at least a conductive first electrode provided with a porous oxide semiconductor layer on which a sensitizing dye is supported, a second electrode disposed opposing the first electrode, and an electrolyte arranged at least at a portion between the first electrode and the second electrode.05-26-2011
20090320917SOLAR CELL PASSIVATION AND LEVELING - A device and a system to fabricate a device including a semiconductor mesa extending from a semiconductor base, the semiconductor mesa comprising an optically-active semiconductor area and a top surface, conductive material disposed on the top surface of the mesa, and substantially optically-transparent material disposed on the conductive material and on the top surface, wherein a surface of the substantially optically-transparent material above the conductive material and the top surface is substantially planar. In some aspects, the semiconductor mesa includes a side wall with one or more exposed p-n junctions, and material is disposed on the side wall to cover the one or more exposed p-n junctions.12-31-2009
20110146787SILICON CARBIDE-BASED ANTIREFLECTIVE COATING - The present invention relates to an antireflective coating comprising an amorphous silicon carbide-based film, which film further comprises hydrogen atoms and optionally further comprises oxygen and/or nitrogen, the film having an effective refractive index (n) between 2.3 and 2.7 and an extinction coefficient (k) of less than 0.01 at a wavelength of 630 nm. The present invention also relates to methods for preparing the antireflective coating and to solar cells comprising the antireflective coating.06-23-2011
20100059111Solar Cell Module having Multiple Module Layers and Manufacturing Method Thereof - A solar cell module includes a bottom module layer formed on a first substrate and absorbing a greater fraction of light energy in a first wavelength band than in a second wavelength band. The first wavelength band includes a shorter wavelength than any wavelength in the second wavelength band. A top module layer is formed on the bottom module layer to absorb a greater fraction of light energy in the second wavelength band than in the first wavelength band. A second substrate is formed on the top module layer. A reflecting filter is provided between the bottom module layer and the top module layer. The reflecting filter reflects a greater fraction of light energy in the first wavelength band than in the second wavelength band and transmits a greater fraction of light energy in the second wavelength band than in the first wavelength band.03-11-2010
20110209753LIGHT SCATTERING INORGANIC SUBSTRATES USING MONOLAYERS - Light scattering inorganic substrates comprising monolayers and methods for making light scattering inorganic substrates comprising monolayers useful for, for example, photovoltaic cells are described herein. The method comprises providing an inorganic substrate comprising at least one surface, applying an adhesive to the at least one surface of the inorganic substrate, applying inorganic particles to the adhesive to form a coated substrate, and heating the coated substrate to form the light scattering inorganic substrate.09-01-2011
20110209751PASTE COMPOSITION FOR ELECTRODE AND PHOTOVOLTAIC CELL - The paste composition for an electrode according to the present invention includes metal particles containing copper as a main component, a flux, glass particles, a solvent, and a resin. Further, a photovoltaic cell according to the present invention has an electrode formed by using the paste composition for an electrode.09-01-2011
20100012178SOLUTION PROCESSABLE MATERIAL FOR ELECTRONIC AND ELECTRO-OPTIC APPLICATIONS - An electro-optic device has a first electrode, a second electrode spaced apart from the first electrode, an active layer disposed between the first electrode and the second electrode, and an interfacial layer in contact with the active layer. The interfacial layer is a blend of a metal oxide and a second material that at least one of reduces a work function or increases an electrical conductivity of the interfacial layer according to an embodiment of this invention. A composition for electro-optic devices is a blend of at least one metal oxide and at least one salt in a ratio, by volume, of at least 1:0.1 and less than 1:1.2.01-21-2010
20090211633Tandem Photovoltaic Cells - Tandem photovoltaic cells, as well as related systems, methods, and components, are disclosed.08-27-2009
20090242022Solar Cell - A flexible solar cell is achieved which has a high photoelectric conversion efficiency and no aged deterioration. A cell 10-01-2009
20100037948SOLAR CELLS PROVIDED WITH COLOR MODULATION AND METHOD FOR FABRICATING THE SAME - Solar cells provided with color modulation and a method for fabricating the same are disclosed. The solar cell includes a photoelectric conversion layer and a color-modulating layer provided over the photoelectric conversion layer. The photoelectric conversion layer is employed for generating electrical energy from incident light and the color-modulating layer is used to modulate colorful appearance.02-18-2010
20110240119METHOD FOR PREPARING SOLAR CELL ELECTRODES, SOLAR CELL SUBSTRATES PREPARED THEREBY, AND SOLAR CELLS - The following description provides a method for preparing electrodes for solar cells, substrates for the solar cell prepared using the same, and the solar cells. The method forms conductive paste on substrates by a printing method and a wet metal plating method, and forms a non-porous cell structure by directly plating a crystallized metal layer on the substrates via etching without using excessive non-crystallized conductive paste or plating the porous conductive paste with metal.10-06-2011
20110168255ELECTRODE STRUCTURE OF SOLAR CELL - An electrode structure is disposed on a substrate of a solar cell. The electrode structure includes a plurality of bus electrodes and a plurality of finger electrodes. The bus electrodes are separately disposed on the substrate. The finger electrodes are disposed on two sides of the bus electrodes and electrically connect to the bus electrodes. The bus electrodes and the finger electrodes are formed by at least two screen printing processes, and at least one of the screen printing processes does not form the bus electrodes. Thus, the thicknesses of the finger electrodes are greater than those of the bus electrodes.07-14-2011
20100037950Method For The Production Of Mechanically Prestressed Solar Cell Composites And Also A Mechanically Prestressed Solar Cell Module - The present invention relates to a method for the production of a solar cell composite which has a solar cell which is applied on a substrate and/or is covered by a superstrate, the substrate and/or the superstrate being connected to the solar cell via a fixing. The substrate and/or superstrate thereby has a higher thermal coefficient of expansion than the solar cell, higher process temperatures being applied during the production method before the fixing of the solar cell on the substrate and/or the superstrate. After curing of the fixing and cooling to room temperature, the solar cell is under tangential pressure which emanates from the substrate and/or superstrate and is transmitted to the solar cell by the fixing, which pressure endows the entire solar cell composite with significantly increased stability.02-18-2010
20110247687THIN FILM SOLAR CELL AND METHOD FOR MAKING THE SAME - A thin film solar cell comprises: a back contact layer, an absorber layer adjacent to the back contact layer and comprising an absorber material and a dopant, a buffer layer, a dopant barrier layer between the absorber layer and the buffer layer, and a window layer adjacent to the buffer layer. Associated method for making the thin film solar cell is also provided.10-13-2011
20090217976Solar cell with integrated thermally conductive and electrically insulating substrate - A solar cell package and processes for creating a solar cell package are disclosed. The solar cell includes an electrically insulating and thermally conductive first layer, an electrically conductive second layer attached to the first layer, and a solar cell attached to the second layer. The first layer surface and a solar cell surface have substantially the same surface area.09-03-2009
20090217974Organic active-layer solution for polymer solar cell and method for preparing the same - An organic active-layer solution for a polymer solar cell and a method for preparing the same are provided, wherein the organic active-layer solution comprises an organic active-layer material, a first organic solvent and a second organic solvent. The first organic solvent has a boiling point ranging from 50° C. to 200° C. while the second organic solvent has a boiling point ranging from 150° C. to 300° C. The second organic solvent is added into the first organic solvent to dissolve the organic active-layer material. As the second organic solvent has a higher boiling point (a lower evaporation speed), it can directly lower an evaporation speed of the organic active-layer solution, thereby simplifying a manufacturing process of the polymer solar cell and increasing a power conversion efficiency of the polymer solar cell.09-03-2009
20090217977Photonic crystal architectures for frequency- and angle-selective thermal emitters - A photonic-crystal based frequency- and angle-selective absorber for solar TPV systems is provided. The solar radiation absorber includes at least one photonic crystal with absorptivity over a broad range of frequencies, improved absorptivity within a selected solid angle, and reduced absorptivity outside the selected solid angle.09-03-2009
20090217973Nanocrystal Solar Cells Processed From Solution - A photovoltaic device having a first electrode layer, a high resistivity transparent film disposed on the first electrode, a second electrode layer, and an inorganic photoactive layer disposed between the first and second electrode layers, wherein the inorganic photoactive layer is disposed in at least partial electrical contact with the high resistivity transparent film, and in at least partial electrical contact with the second electrode. The photoactive layer has a first inorganic material and a second inorganic material different from the first inorganic material, wherein the first and second inorganic materials exhibit a type II band offset energy profile, and wherein the photoactive layer has a first population of nanostructures of a first inorganic material and a second population of nanostructures of a second inorganic material.09-03-2009
20110247689SUBSTRATE FOR AN OPTOELECTRONIC DEVICE - A substrate for an optoelectronic device, with a fabric of monofilaments and/or fibres of a polymer, which is designed for purposes of implementing and/or supporting an electrode layer, wherein the fibres have a fibre diameter of between 20 μm and 100 μm, in particular of between 30 μm and 80 μm, the fabric has mesh openings that implement an open surface area of 70% to 85%, and the fabric is provided with a coating having a transparent, electrically non-conducting polymer material such that the fibres are at least partially surrounded by the polymer material.10-13-2011
20110247684SOLAR CELL - A solar cell includes a base, a substrate, a number of solar chips and a light pervious cover. The substrate is received in the base, the solar chips are electrically mounted on the substrate. The light pervious cover covers the solar chips in the base. The light pervious cover includes a number of light converging portions corresponding to the solar chips and a number of extending portions aligned with the respective light converging portions. Each extending portion is engaged with a corresponding solar chip.10-13-2011
20100037947Thin film type solar cell and method for manufacturing the same - A thin film type solar cell and a method for manufacturing the same is disclosed, the thin film type solar cell comprising a first electrode in a predetermined pattern on a substrate; a first semiconductor layer on the first electrode; a second electrode in a predetermined pattern on the first semiconductor layer; a second semiconductor layer on the second electrode; and a third electrode in a predetermined pattern on the second semiconductor layer, the first and third electrodes being electrically connected with each other, wherein a first solar cell is composed of a combination of the first electrode, the first semiconductor layer, and the second electrode; a second solar cell is composed of a combination of the second electrode, the second semiconductor layer, and the third electrode; and the first and second solar cells are connected in parallel, whereby it is possible to realize improved efficiency of the entire thin film type solar cell without performing a process for a current matching between the first and second solar cells.02-18-2010
20100037946Solar Cell Element and Method for Manufacturing Solar Cell Element - [Object] To provide a method for manufacturing a solar cell element including a semiconductor substrate that includes a high-concentration dopant layer located near the surface of the semiconductor substrate and a low-concentration dopant layer located more inside the semiconductor substrate than the high-concentration dopant layer02-18-2010
20100037952Selective Emitter Solar Cell and Fabrication Method Thereof - A fabrication method of a selective emitter solar cell, including: forming a selective emitter solar cell base having a buried grid electrode; forming an anti-reflection layer on the emitter surface of the solar cell base; forming a bus-bar on the anti-reflection layer; and connecting the buried grid electrode with the bus-bar in the traversing direction underneath through the anti-reflection layer. Accordingly, the invention provides a selective emitter solar cell. With the method of the invention, emitters and bus-bars are made separately, the width of the emitters can be reduced according to actual needs, the area that is unnecessarily taken may be reduced, the effective area for a solar cell panel to receive sunlight may be increased. The invention improves conversion efficiency of a selective emitter solar cell panel from 16.5% to 18% or more.02-18-2010
20100037951MULTI-ELEMENT METAL POWDERS FOR SILICON SOLAR CELLS - Disclosed are methods of making multi-element, finely divided, metal powders containing one or more reactive metals and one or more non-reactive metals. Reactive metals include metals or mixtures thereof from titanium (Ti), zirconium (Zr), hafnium (Hf), tantalum (Ta), niobium (Nb), vanadium (V), nickel (Ni), cobalt (Co), molybdenum (Mo), manganese (Mn), and iron (Fe). Non-reactive metals include metals or mixtures such as silver (Ag), tin (Sn), bismuth (Bi), lead (Pb), antimony (Sb), zinc (Zn), germanium (Ge), phosphorus (P), gold (Au), cadmium (Cd), berrylium (Be), tellurium (Te).02-18-2010
20100037949DYE SENSITIZED SOLAR CELL AND A WORKING ELECTRODE THEREOF - A dye sensitized solar cell contains a working electrode including a filamentous conductive substrate and a sensitized semi-conductor film, in which the sensitized semi-conductor film has a porous film structure, which is made of semi-conductor particles of different sizes absorbed with sensitizing dye molecules. The sensitized semi-conductor film is coated over the outer surface of the filamentous conductive substrate. The filamentous conductive substrate has rich source and small volume, and is easy to be deformed, convenient for processing, and assessable for series-parallel connection. Therefore, the solar cell is suitable for narrow and irregular-shaped space that needs specific driving power.02-18-2010
20100037945BLACK-CERAMIC-DECORATED SOLAR CELL MODULE - The electrode parts of a solar cell module which differ in color form other parts of the module are hidden without increasing the number of module assembly/production steps to thereby enable the whole CIS based thin-film solar cell module to have an even color throughout and hence an improved appearance.02-18-2010
20100059114SOLAR CELL - A solar cell includes a p-n structure having a first conductive semiconductor substrate, a second conductive semiconductor layer formed on the first conductive semiconductor substrate and having a conduction opposite to the first conductive semiconductor substrate, and a p-n junction formed at an interface between the first conductive semiconductor substrate and the second conductive semiconductor layer; a passivated layer formed on the second conductive semiconductor layer and composed of silicon oxynitride with a refractive index of 1.45 to 1.70; an anti-reflection film formed on the passivated layer and composed of silicon nitride; a front electrode connected to the second conductive semiconductor layer with passing through a part of the passivated layer and the anti-reflection film and exposed outward; and a rear electrode formed at an opposite side to the front electrode with the first conductive semiconductor substrate being interposed therebetween to be connected to the first conductive semiconductor substrate.03-11-2010
20090032095Semiconductor Component And Method For Producing It and Use for It - The invention relates to a method for the production of a semiconductor component having at least one optically reflective surface in which a silicon wafer, which has an etchable dielectric layer at least in regions on at least one of its surfaces, is provided with a silicon-containing masking layer in order to screen against fluid media. In addition a layer comprising aluminium is deposited on the masking layer and subsequently a thermal treatment of the semiconductor component is undertaken, the result being dissolving of the silicon in the aluminium. Furthermore, the invention relates to a corresponding semiconductor component made of a silicon wafer having at least one optically reflective surface. Semiconductor components of this type are used in particular as solar cells.02-05-2009
20090032094SOLAR CELL AND METHOD OF FABRICATING THE SAME - A light absorbing layer 02-05-2009
20100065118COMPOSITION AND METHOD OF PREPARING NANOSCALE THIN FILM PHOTOVOLTAIC MATERIALS - A photo-absorbing layer for use in an electronic device; the layer including metal alloy nanoparticles copper, indium and/or gallium made preferably from a vapor condensation process or other suitable process, the layer also including elemental selenium and/or sulfur heated at temperatures sufficient to permit reaction between the nanoparticles and the selenium and/or sulfur to form a substantially fused layer. The reaction may result in the formation of a chalcopyrite material. The layer has been shown to be an efficient solar energy absorber for use in photovoltaic cells.03-18-2010
20100065119ELECTRODE HAVING A CoS LAYER THEREON, PROCESS OF PREPARATION, AND USES THEREOF - The present invention relates to an electrode comprising a non-conductive substrate, a first layer and a second layer. The first layer is disposed on the substrate and comprises indium tin oxide or fluorine-doped SnO03-18-2010
20100059115Coated Substrates and Semiconductor Devices Including the Substrates - A photovoltaic cell can include a substrate having a transparent conductive oxide layer and an antireflective layer. The layers can be deposited by sputtering or by chemical vapor deposition.03-11-2010
20100059112Photovoltaic Devices Including Mg-Doped Semiconductor Films - A photovoltaic cell can include a dopant in contact with a semiconductor layer.03-11-2010
20100059116ALUMINUM PASTES AND USE THEREOF IN THE PRODUCTION OF SILICON SOLAR CELLS - Described are aluminum pastes comprising spherical-shaped and nodular-shaped particulate aluminum and an organic vehicle and their use in forming p-type aluminum back electrodes of silicon solar cells.03-11-2010
20100065117SOLAR CELL AND TEXTURING METHOD THEREOF - The present invention relates to a solar cell. The solar cell includes a substrate of a first conductive type, the substrate having a textured surface on which a plurality of projected portions are formed, and surfaces of the projected portions having at least one of a plurality of particles attached thereto and a plurality of depressions formed thereon; an emitter layer of a second conductive type opposite the first conductive type, the emitter layer being positioned in the substrate so that the emitter layer has the textured surface; an anti-reflection layer positioned on the emitter layer which has the textured surface and including at least one layer; a plurality of first electrodes electrically connected to the emitter layer; and at least one second electrode electrically connected to the substrate.03-18-2010
20100065116Impact Resistant Thin-Glass Solar Modules - Methods and devices are provided for solar module designs. In one embodiment, a durable thin glass solar module is provided. The system comprises of a photovoltaic module with at least one layer comprised of a thin glass layer with protection which protects against microcracks (radial and concentric) which may form during hail impacts.03-18-2010
20100065115SOLAR CELL MODULE AND SOLAR CELL MODULE MANUFACTURING METHOD - Provided are a solar cell module and a solar cell module manufacturing method, the solar cell module being capable of maintaining a higher power generation capacity even if water infiltrates. In a solar cell module 03-18-2010
20120240994CONDUCTIVE PASTE AND ELECTRONIC DEVICE, AND SOLAR CELL INCLUDING AN ELECTRODE FORMED USING THE CONDUCTIVE PASTE - A conductive paste may include a conductive component and an organic vehicle. The conductive component may include an amorphous metal. The amorphous metal may have a lower resistivity after a crystallization process than before the crystallization process, and at least one of a weight gain of about 4 mg/cm09-27-2012
20120240998DEVICE COMPRISING ELECTRICAL CONTACTS AND ITS PRODUCTION PROCESS - A device includes a conductive surface (09-27-2012
20120240996MEMBRANE COMPRISING A SOLAR CELL - In an exemplary embodiment, a membrane is disclosed having a barrier layer and a solar cell arranged on one side of the barrier layer. A compensation layer can be arranged between the solar cell and the barrier layer. This compensation layer can, for example, be a foamed composition composed of a thermoplastic that is solid at room temperature or a thermoplastic elastomer that is solid at room temperature.09-27-2012
20120240993LOW TEMPERATURE PLATINISATION FOR DYE-SENSITISED SOLAR CELLS - This invention relates to the field of dye-sensitised solar cells (DSSC) and to a method for the low temperature platinisation of the counter-electrode which is applicable to a wide range of substrates.09-27-2012
20120125432TRANSPARENT CONDUCTIVE SUBSTRATE FOR SOLAR CELL, AND SOLAR CELL - To provide a transparent conductive substrate for a solar cell, which has a haze factor at the same level of conventional transparent conductive substrates for a solar cell, and a small amount of absorbed light at a wavelength region of about 400 nm by a tin oxide layer.05-24-2012
20110146784Photovoltaic device back contact - A method for manufacturing a photovoltaic device may include depositing a semiconductor absorber layer on a substrate, depositing a molybdenum in the presence of a nitrogen to form a molybdenum nitride in contact with the semiconductor absorber layer, and doping the molybdenum nitride with a copper dopant.06-23-2011
20110146777COUNTER ELECTRODE FOR SOLAR CELL - Disclosed are solar cells and methods for making solar cells. Also disclosed are counter electrodes for solar cells including dye-sensitized and/or nanocrystal-sensitized solar cells. An example counter electrode for a solar cell may include a substrate, a microstructured template disposed on the substrate, and a layer of catalytic material disposed on the microstructured template.06-23-2011
20110100445High haze transparent contact including insertion layer for solar cells, and/or method of making the same - Certain example embodiments of this invention relate to a front transparent conductive electrode for solar cell devices (e.g., amorphous silicon or a-Si solar cell devices), and/or methods of making the same. Advantageously, certain example embodiments enable high haze to be realized in the top layer of the thin film stack. In certain example embodiments, an insertion layer comprising ITO or AZO is provided between a layer of AZO and a layer of ITO. The AZO may be deposited at room temperature. The insertion layer is provided with an oxygen content selected so that the insertion layer sufficient to alter the crystalline growth of the layer of AZO compared to a situation where no insertion layer is provided. In certain example embodiments, the layer of ITO may be ion-beam treated so as to roughen a surface thereof. The ion beam treating may be performed a voltage sufficient to alter the crystalline growth of the layer of AZO compared to a situation where no insertion layer is provided.05-05-2011
20130186459BIFACIAL SOLAR CELL - A bifacial solar cell is discussed. The bifacial solar cell includes a substrate, a p07-25-2013
20110073175PHOTOVOLTAIC CELL COMPRISING A THIN LAMINA HAVING EMITTER FORMED AT LIGHT-FACING AND BACK SURFACES - A photovoltaic cell is described having emitter portions formed at both a light-facing surface and a back surface of the cell. In some embodiments, heavily doped emitter regions extend between the front and back emitter regions, connecting them electrically. Use of this structure is particularly well-adapted to a cell formed by implanting a semiconductor donor body with hydrogen and/or helium ions, affixing the donor body to a receiver element, cleaving a lamina from the donor body, and completing fabrication of a photovoltaic cell comprising the lamina. The emitter portion formed at the unbonded surface may comprise amorphous silicon. The lamina may be thin, for example 10 microns thick or less.03-31-2011
20110073181PATTERNING ELECTRODE MATERIALS FREE FROM BERM STRUCTURES FOR THIN FILM PHOTOVOLTAIC CELLS - A method for forming a thin film photovoltaic device having patterned electrode films includes providing a soda lime glass substrate with an overlying lower electrode layer comprising a molybdenum material. The method further includes subjecting the lower electrode layer with one or more pulses of electromagnetic radiation from a laser source to ablate one or more patterns associated with one or more berm structures from the lower electrode layer. Furthermore, the method includes processing the lower electrode layer comprising the one or more patterns using a mechanical brush device to remove the one or more berm structures followed by treating the lower electrode layer comprising the one or more patterns free from the one or more berm structures. The method further includes forming a layer of photovoltaic material overlying the lower electrode layer and forming a first zinc oxide layer overlying the layer of photovoltaic material.03-31-2011
20110073177DYE-SENSITIZED SOLAR CELL, MANUFACTURING METHOD OF THE SAME, AND MANUFACTURING METHOD OF WORKING ELECTRODE FOR DYE-SENSITIZED SOLAR CELL - It is an object of the present invention to provide a dye-sensitized solar cell, etc. capable of preventing, even when a highly-conductive electrolyte is employed, a short circuit between a transparent conductive film of a working electrode and the electrolyte, and thereby enhancing reliability with improved photoelectric conversion characteristics and improved durability.03-31-2011
20100236624INTERFEROMETRIC PHOTOVOLTAIC CELL - Certain embodiments include interferometrically tuned photovoltaic cells wherein reflection from interfaces of layered photovoltaic devices coherently sum to produce an increased field in an active region of the photovoltaic cell where optical energy is converted into electrical energy. Such interferometrically tuned or interferometric photovoltaic devices (iPV) increase the absorption of optical energy in the active region of the interferometric photovoltaic cell and thereby increase the efficiency of the device. In various embodiments, one or more optical resonant cavities and/or optical resonant layers is included in the photovoltaic device to increase the electric field concentration and the absorption in the active region.09-23-2010
20110094577CONDUCTIVE METAL OXIDE FILMS AND PHOTOVOLTAIC DEVICES - Article comprising a substrate; and a conductive metal oxide film adjacent to a surface of the substrate, wherein the conductive metal oxide film has an electron mobility (cm04-28-2011
20100126576SILICON MATERIAL SURFACE ETCHING FOR LARGE POLYSILICON THIN FILM DEPOSITION AND STRACTURE - A method for forming a photovoltaic cell. The method includes providing a first silicon material characterized by a resistivity less than about 0.5 ohm cm05-27-2010
20110100449PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device may effectively prevent an electrolyte from leaking and have a high durability. A photoelectric conversion device includes a first substrate and a second substrate spaced from the first substrate. A plurality of first electrodes are on a side of the first substrate facing the second substrate and extend from a sealing region of the first substrate, and the first electrodes are spaced from each other. A protective layer is on the first electrodes, and an end portion of the protective layer on the sealing region extends continuously across at least two of the first electrodes.05-05-2011
20110100450SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A method of manufacturing a solar cell includes providing a semiconductor substrate including a p-type layer and an n-type layer. A dielectric layer including aluminum oxynitride is disposed on one side of the semiconductor substrate. A first electrode is in electrical communication with the p-type layer of the semiconductor substrate. A second electrode is in electrical communication with the n-type layer of the semiconductor substrate. The disposing the dielectric layer comprises repeatedly forming an aluminum nitride layer and substituting a part of nitrogen of the aluminum nitride layer with oxygen.05-05-2011
20110100447LAYER FOR THIN FILM PHOTOVOLTAICS AND A SOLAR CELL MADE THEREFROM - A photovoltaic device is provided. The photovoltaic device comprises an absorber layer comprising a p-type semiconductor, wherein at least one layer is disposed over the absorber layer. The at least one layer is a semiconductor having a higher carrier density than the carrier density of the absorber layer. The at least one layer comprises silicon. The at least one layer comprises a p+-type semiconductor. The absorber layer is substantially free of silicon. A method of forming the photovoltaic device is provided.05-05-2011
20110100455PHOTOELECTRIC CONVERSION ELEMENT - A photoelectric conversion element includes: a first electrode having a porous oxide semiconductor layer which supports a sensitizing dye on a surface thereof and functioning as a photo electrode; a second electrode disposed so as to oppose the first electrode; an electrolyte disposed in at least a part of a space between the first electrode and the second electrode; and a sump portion for the electrolyte disposed in at least a part of the space between the first electrode and the second electrode. According to the present invention, air bubbles can be exhausted effectively from power generating area, so that a photoelectric conversion element possessing an improved power generation property and a long-term durability can be provided.05-05-2011
20110100453Electrically contactable grids manufacture - A method for manufacturing one or more electrically contactable grids on at least one surface of a semiconductor substrate for use in a solar cell product includes the following. A heat-sensitive masking agent layer is deposited on the surface of the substrate of the solar cell product. The masking agent layer is locally heated to form a grid mask. Selected parts of the masking agent layer defined by locally heating are removed to form openings in the grid mask. A contact metallization is applied on the grid mask.05-05-2011
20110100448SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell including: a semiconductor substrate including a p-type layer and an n-type layer; a dielectric layer disposed on the semiconductor substrate and including a silicate represented by the following Chemical Formula 105-05-2011
20100122728Photovoltaic device using low iron high transmission glass with antimony and reduced alkali content and corresponding method - A high transmission low iron glass includes antimony, has reduced total alkali content, and increased silica content, and is suitable for use in photovoltaic devices (e.g., solar cells) or the like. A method of making the glass is also provided. In certain example embodiments, the glass composition may be made on a pattern line with a highly positive batch redox.05-20-2010
20110073176SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a semiconductor substrate including; a p-type layer, and an n-type layer disposed adjacent to the p-type layer, a dielectric layer positioned on one surface of the semiconductor substrate, a protective layer positioned on one surface of the dielectric layer, a first electrode electrically connected to the p-type layer of the semiconductor substrate and a second electrode electrically connected to the n-type layer of the semiconductor substrate.03-31-2011
20110073174MULTI-LAYER ANTI-REFLECTIVE COATINGS AND PROCESSES THEREFOR - Methods for making multi-layered anti-reflective coatings are disclosed. Un-solgel precursor compositions may be prepared having inorganic oxide precursors and UV curable acrylic monomer mixtures, deposited on a substrate, and subsequently the coated substrate may be cured by exposure to electromagnetic radiation, such as UV radiation. The coating layers may be heated using a temperature sufficient to burn off organic content and form a multi-layer anti-reflective coating. Substrates comprising such coatings and photovoltaic devices comprising such substrates and coatings are also disclosed.03-31-2011
20110073179ILLUMINANT TYPE TRANSPARENT SOLAR CELL DEVICE - An illuminant transparent solar cell device, comprising a transparent substrate and the following layers disposed from bottom up sequentially on the transparent substrate: a transparent fluorescent layer, a p-type transparent conductive oxide layer, an intrinsic-type transparent conductive oxide layer, a n-type transparent conductive oxide layer, and an anti-reflection layer serving as a protection layer. In the illuminant transparent solar cell device, the characteristics of a p-type and an n-type transparent conductive oxide layers as well as a transparent fluorescent layer are utilized so that sunlight can not only be used to provide natural lighting in daytime but also be used to generate electricity which is stored in an electricity storage device by transmitting through this device while the electricity stored therein can be used to provide indoor lighting at night, thus saving the consumption of fossil fuel energy.03-31-2011
20110073178ELECTRICALLY CONDUCTIVE PASTE, SOLAR CELL CONTAINING SAME AND METHOD - An electrically conductive paste for a solar cell comprises a metal powder, an inorganic adhesive, an aqueous adhesive and an auxiliary agent. The aqueous adhesive comprises a water-soluble polymer.03-31-2011
20110061730Textured rear electrode structure for use in photovoltaic device such as CIGS/CIS solar cell - A photovoltaic device including a rear electrode which may also function as a rear reflector. In certain example embodiments, the rear electrode comprises a reflective film (e.g., of Mo or the like) including one or more layers provided on an interior surface of a rear glass substrate of the photovoltaic device. In certain example embodiments, the interior surface(s) of the rear glass substrate and/or reflective film is/are textured so as to provide desirable electrical and reflective characteristics. The rear glass substrate and textured rear electrode/reflector are used in a photovoltaic device (e.g., CIS or CIGS solar cell) where an active semiconductor film is provided between the rear electrode/reflector and a front electrode(s).03-17-2011
20110247690SEMICONDUCTOR DEVICES COMPRISING ANTIREFLECTIVE CONDUCTIVE LAYERS AND METHODS OF MAKING AND USING - A semiconductor device includes a semiconductor substrate and an antireflective conductive layer. The antireflective conductive layer includes a metal layer disposed on the semiconductor substrate and defining at least one array of apertures through the metal layer. Each of the apertures has a width of no more than 5 μm and a distance between each aperture and its nearest neighboring aperture is no more than 10 μm. The antireflective conductive layer also includes a solid material filling each of the apertures, wherein the solid material has an index of refraction of at least 1.1.10-13-2011
20110247688FRONT ELECTRODE FOR SOLAR CELL HAVING MINIMIZED POWER LOSS AND SOLAR CELL CONTAINING THE SAME - Disclosed herein is a front electrode for solar cells, wherein the front electrode is configured in a structure in which a pattern including a plurality of grid electrodes arranged in parallel and at least one current collection electrode intersecting the grid electrodes is formed on a semiconductor substrate, current introduced to the grid electrodes is moved to and collected in the current collection electrode, and the width of each of the grid electrodes is increased toward the current collection electrode.10-13-2011
20110067755METHOD FOR MANUFACTURING CIS-BASED THIN FILM SOLAR CELL - A method of manufacturing a CIS-based thin film solar cell that achieves high photoelectric conversion efficiency comprises: forming a backside electrode layer on a substrate; forming a p-type CIS-based light absorbing layer thereon; and further forming an n-type transparent and electrically conductive film. The above-mentioned forming a p-type CIS-based light absorbing layer comprises: forming a metal precursor film (03-24-2011
20110061731Array Of Small Contacts For Solar Cell Fabrication - Fabrication of a solar cell using a printed contact mask. The contact mask may include dots formed by inkjet printing. The dots may be formed in openings between dielectric layers (e.g., polyimide). Intersections of overlapping dots may form gaps that define contact regions. The spacing of the gaps may be dictated by the alignment of nozzles that dispense the dots. Using the dots as a contact mask, an underlying dielectric layer may be etched to form the contact regions through the underlying dielectric layer. Metal contact fingers may be formed over the wafer to form electrical connections to corresponding diffusion regions through the contact regions.03-17-2011
20110061729Solar Cell and Method of Manufacturing the Same - Provided are a solar cell and a method of manufacturing the same. The method includes implanting impurities of a second conductivity type opposite to a first conductivity type on the entire surface of a semiconductor substrate of the first conductivity type to form an emitter layer, forming a first anti-reflective coating (ARC) layer on the emitter layer, patterning a portion of the first anti-reflective coating (ARC) layer where a front electrode will be formed, forming a second anti-reflective coating (ARC) layer on the first anti-reflective coating (ARC) layer and the emitter layer, and forming the front electrode and a rear electrode on front and rear surfaces of the semiconductor substrate. In this method, a double structure of two anti-reflective coating (ARC) layers with different thicknesses may be formed to make electrode patterns distinct, thereby facilitating alignment of electrodes.03-17-2011
20110061728PROTECTIVE FILM AND FRONT SHEET FOR SOLAR CELL - Provided is a protective film having high transparency, high ultraviolet absorption ability, high weatherability and flexibility, and not being peeled from its coating layers from a plastic film even if irradiated with ultraviolet. the protective film. The protective film comprises a plastic film and a coating layer on the surface of the plastic film, wherein the coating layer comprises a binder and core-shell type zinc oxide particles dispersed in the binder, the core-shell type zinc oxide particles have an average particle size of 50 nm or less and comprises a shell having a thickness of 1.5 nm to 20 nm.03-17-2011
20110061727DYE-SENSITIZED SOLAR CELLS AND MOBILE DEVICE INCLUDING THE SAME - A dye-sensitized solar cell is disclosed. The dye-sensitized solar cell includes a first substrate, being transparent, a first electrode, formed on a rear surface of the first substrate, a second electrode, formed apart from the first electrode, a catalytic layer, formed on a rear surface of the first electrode, a light absorption layer, which is formed on a front surface of the second electrode and includes a dye absorbed into metal oxide such that the dye forms a specific pattern with the metal oxide, an electrolyte, interposed between the first electrode and the second electrode, a base layer, which is formed on a rear surface of the second electrode and forms a background against the pattern formed by the dye such that the pattern can be identified when viewed from the outside, and a second substrate, formed on a rear surface of the base layer.03-17-2011
20110048521Thin Film Solar Cell Structure Having Light Absorbing Layer Made Of Chalcopyrite Powders - A thin film solar cell structure having light absorbing layer made of chalcopyrite powders is provided. The thin film solar cell structure includes a substrate, a back electrode layer, a light absorbing layer, and a transparent conductive layer stacked one on another in that sequence. The light absorbing layer includes at least one layer of chalcopyrite powder stack structure constituted of a p-type chalcopyrite powder layer and an n-type chalcopyrite powder layer stacked on each other. The p-type chalcopyrite powder layer includes a plurality of single phase p-type chalcopyrite powders, and the n-type chalcopyrite powder layer includes a plurality of single phase n-type chalcopyrite powders. The p-type chalcopyrite powders and the n-type chalcopyrite powders are I-III-VI03-03-2011
20110048522SOLAR CELL - The invention provides a solar cell. The solar cell has the following structures: a substrate; a first electrode formed on the substrate; a light absorbing layer formed on the first electrode, wherein the light absorbing layer includes a first compound thin film and a second compound thin film, and a band gap of the second compound thin film is larger than that of the first compound thin film; a buffer layer formed on the light absorbing layer; a transparent conducting layer formed on the buffer layer; and a second electrode formed on the transparent conducting layer.03-03-2011
20110048530SURFACE NUCLEATED GLASSES FOR PHOTOVOLTAIC DEVICES - Surface nucleated glass ceramics and more particularly photovoltaic devices comprising surface nucleated glass ceramics as the superstrate in the devices are described.03-03-2011
20110048524THIN FILM SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A thin film solar cell, includes: a first electrode; a light absorption layer including a first light absorption layer including a group I element-group III element-group VI element compound, a second light absorption layer including a group I element-group III element-group VI element compound, and a third light absorption layer including a group I element-group III element-group VI element compound; and a second electrode, wherein the first light absorption layer has a band gap, which is less a band gap of the second light absorption layer, the band gap of the second light absorption layer is less than a band gap of the third light absorption layer, and the second light absorption layer has a band gap gradient, which increases in a direction from the first light absorption layer to the third light absorption layer.03-03-2011
20110048525FUNCTIONAL DEVICE AND METHOD FOR PRODUCING THE SAME - The present invention relates to a functional device in which it is possible to improve durability by inhibiting corrosion due to an electrolyte solution, and it is possible to reduce series resistance, and also relates to a method for producing the same.03-03-2011
20110048531SOLAR CELL AND FABRICATING METHOD THEREOF - Discussed herein are a solar cell and a fabricating method thereof. The solar cell includes a first conductivity-type semiconductor substrate, a second conductivity-type semiconductor layer formed on a front surface of the first conductivity-type semiconductor substrate, and having a conductivity opposite to that of the first conductivity-type semiconductor substrate, an anti-reflection film including at least one opening exposing a part of a surface of the second conductivity-type semiconductor layer, and formed on the second conductivity-type semiconductor layer, at least one front electrode contacting a part of the surface of the second conductivity-type semiconductor layer exposed through the at least one opening, and at least one rear electrode formed on a rear surface of the first conductivity-type semiconductor substrate, wherein the at least one front electrode includes a metal containing silver and lead-free glass frit.03-03-2011
20110048529SOLAR CELL - A solar cell includes a semiconductor substrate having a plurality of contact holes penetrating therethrough, from one surface to the opposing surface and including a part having a first conductive layer selected from p-type and n-type and a part having a second conductive layer different from the first conductive layer and selected from p-type and n-type semiconductor, a first electrode formed on one surface of the semiconductor substrate and electrically connected with the part having the first conductive layer, a second electrode formed on the other surface of the semiconductor substrate and electrically connected with the first electrode, and a third electrode formed on the same surface as in the second electrode and electrically connected with the part having the second conductive layer of the semiconductor substrate, wherein the plurality of contact holes form a contact hole group, and the first electrode and the second electrode are connected through one or more of the plurality of contact holes of the contact hole group.03-03-2011
20120273040Solar Cell and Manufacturing Method Thereof - A method for forming a doped region in a solar cell includes preparing a first and second surface of a substrate, forming a first doped region doped with a first dopant in a part of the first surface, forming a silicon oxide layer on the first surface, the silicon oxide layer including a first silicon oxide layer on the first doped region and having a first thickness, and a second silicon oxide layer on a portion of the first surface undoped by the first dopant and having a second thickness that is less than the first thickness, implanting a second dopant from outside the first surface into the first silicon oxide layer and the second silicon oxide layer, and forming a second doped region adjacent the first doped region by performing heat treatment on the first silicon oxide layer, the second silicon oxide layer, and the substrate.11-01-2012
20120273039Solar Cell Apparatus and Method for Manufacturing the Same - Disclosed are a solar cell apparatus and a method for manufacturing the same. The solar cell apparatus includes a substrate, a back electrode layer on the substrate, a light absorbing layer on the back electrode layer, and a front electrode layer on the light absorbing layer. An outer lateral side of the back electrode layer is aligned on a plane different from a plane of an outer lateral side of the front electrode layer. In the solar cell apparatus, short is prevented between the back and front electrode layers.11-01-2012
20100300522FABRICATION OF CONTACTS FOR SILICON SOLAR CELLS INCLUDING PRINTING BURN THROUGH LAYERS - A method for fabricating a contact (12-02-2010
20110030777PHOTOVOLTAIC DEVICE AND METHOD FOR MANUFACTURING THEREOF - Disclosed is a method for manufacturing a photovoltaic device. The method for manufacturing a photovoltaic device includes providing substrates having trenches formed therein, forming a first electrode layer, and forming an auxiliary electrode layer in areas between the trenches such that the auxiliary electrode layer is located on or under the first electrode layer, the auxiliary electrode layer having electrical resistance less than that of the first electrode layer, and contacting with a portion of an area of the first electrode layer, forming a photovoltaic layer on the first electrode layer or the auxiliary electrode layer, forming a second electrode layer by obliquely depositing a second conductive material on the photovoltaic layer, etching the photovoltaic layer formed in the trenches such that the first electrode layer or the auxiliary electrode layer are exposed and forming a conductive layer by obliquely depositing a third conductive material on the second electrode layer such that the second electrode layer and either the first electrode layer or the auxiliary electrode layer are electrically connected to each other within the trench, the first electrode layer or the auxiliary electrode layer formed in one area generating electricity from light, and the second electrode layer formed in another area generating electricity from light.02-10-2011
20110146785PHOTOVOLTAIC DEVICE INCLUDING DOPED LAYER - A photovoltaic cell with a doped buffer layer includes a metal oxide and a dopant.06-23-2011
20110146783DYE-SENSITIZED SOLAR CELL MODULE AND METHOD OF FABRICATING THE SAME - A dye-sensitized solar cell module is disclosed. The dye-sensitized solar cell module includes a solution capable of being selectively printed on only a desired region and used in the formation of a metal oxide film. The solution for the metal oxide film formation can be selectively printed on only the surface of metal oxide nano-particle without affecting the electrical conductivity of the electrode and a sealant interposed between transparent electrodes. Therefore, the dye-sensitized solar cell module can greatly improve the output efficiency. Moreover, the dye-sensitized solar cell module can prevent the output efficiency deterioration at an enlarged size.06-23-2011
20110146781PROCESS OF FORMING A GRID CATHODE ON THE FRONT-SIDE OF A SILICON WAFER - A process for the production of a grid cathode on the front-side of a silicon wafer by applying and firing a metal paste on the silicon wafer in a front-side grid electrode pattern to form a seed grid cathode and subsequently subjecting the silicon wafer to a LIP process, wherein the metal paste comprises an organic vehicle and an inorganic content comprising (a) 90 to 98 wt.-% of at least one electrically conductive metal powder selected from the group consisting of nickel, copper and silver, and (b) 0.25 to 8 wt.-% of at least one glass frit selected from the group consisting of glass frits containing 47.5 to 64.3 wt.-% of PbO, 23.8 to 32.2 wt.-% of SiO06-23-2011
20110146780SOLAR CELL MODULE AND METHOD FOR MANUFACTURING THE SAME - A solar cell module and a method of manufacturing the solar cell module are disclosed. The method in accordance with an embodiment of the present invention includes forming a conductive bump on a conductive pad formed on one surface of a solar cell, forming a circuit pattern on one surface of a transparent substrate, in which the circuit pattern corresponds to a position of the conductive bump, adhering the solar cell to the transparent substrate in such a way that the conductive bump is in direct contact with the circuit pattern, and forming a protective resin layer on one surface of the transparent substrate in such a way that the solar cell is covered. By using the above steps, a thinner solar cell module can be implemented while improving the manufacturing efficiency.06-23-2011
20110146779Sub-wavelength structure layer, method for fabricating the same and photoelectric conversion device applying the same - The present invention relates to a method for fabricating a sub-wavelength structure layer, including: forming a metal film on a passivation layer, an n-GaN layer or a transparent conductive oxide layer; performing thermal treatment to form self assembled metal nano particles; using the metal nano particles as a mask to remove a partial area of the passivation layer, the n-GaN layer or the transparent conductive oxide layer to form a sub-wavelength structure of which the cross-sectional area increases along the thickness direction of the passivation layer, the n-GaN layer or the transparent conductive oxide layer; and removing the metal nano particles. In addition, the present invention further provides the obtained sub-wavelength structure layer and a photoelectric conversion device using the same.06-23-2011
20110146778SHIELDING OF INTERIOR DIODE ASSEMBLIES FROM COMPRESSION FORCES IN THIN-FILM PHOTOVOLTAIC MODULES - A method and apparatus for protecting a diode assembly of a photovoltaic module from compressive and tensile forces by providing at least one interior shielding element are provided. According to various embodiments, a photovoltaic module including a first encasing layer, a second encasing layer, at least one photovoltaic cell disposed between the first and second encasing layers, at least one shielded diode assembly disposed on the at least one photovoltaic cell and electrically connected to the at least one photovoltaic cell, and a pottant disposed between the at least one photovoltaic cell and the second encasing layer is provided. A localized shielding element may be used to shield the diode assembly.06-23-2011
20110000537Photovoltaic Device and Manufacturing Method Thereof - A photovoltaic device with a low degradation rate and a high stability efficiency. In one aspect, the photovoltaic device includes: a substrate; a first electrode disposed on the substrate; at least one photoelectric transformation layer disposed on the first electrode, the photoelectric transformation layer including a light absorbing layer; and a second electrode disposed on the photoelectric transformation layer, wherein the light absorbing layer includes a first sub-layer and a second sub-layer, each of which includes a hydrogenated amorphous silicon based material respectively; and wherein the first sub-layer and the second sub-layer include a non-silicon based element, and the second sub-layer includes a crystalline silicon grain surrounded by the hydrogenated amorphous silicon based element.01-06-2011
20100252103PHOTOELECTRONIC ELEMENT HAVING A TRANSPARENT ADHESION STRUCTURE AND THE MANUFACTURING METHOD THEREOF - A photoelectronic element having a transparent adhesion structure includes a supporting substrate; a first transparent adhesion layer formed on the supporting substrate; a second transparent adhesion layer formed on the first transparent adhesion layer; and a first semiconductor stack layer formed on the second transparent adhesion layer wherein the first semiconductor stack layer includes a first active layer; wherein the interface between the first transparent adhesion layer and the second transparent adhesion layer contains hydrogen-oxygen bond after being treated by an activator.10-07-2010
20100252102METHOD FOR PRINTING A CONDUCTOR IN TWO SUPERIMPOSED LAYERS BY SCREEN-PRINTING - Method for printing on a wafer (10-07-2010
20100243049FORMATION OF SOLAR CELLS WITH CONDUCTIVE BARRIER LAYERS AND FOIL SUBSTRATES - Methods and devices are provided for absorber layers formed on foil substrate. In one embodiment, a method of manufacturing photovoltaic devices may be comprised of providing a substrate comprising of at least one electrically conductive aluminum foil substrate, at least one electrically conductive diffusion barrier layer, and at least one electrically conductive electrode layer above the diffusion barrier layer. The diffusion barrier layer may prevent chemical interaction between the aluminum foil substrate and the electrode layer. An absorber layer may be formed on the substrate. In one embodiment, the absorber layer may be a non-silicon absorber layer. In another embodiment, the absorber layer may be an amorphous silicon (doped or undoped) absorber layer. Optionally, the absorber layer may be based on organic and/or inorganic materials.09-30-2010
20110247686MULTILAYER FILM FOR PHOTOVOLTAIC APPLICATIONS - A multilayer film includes a functional portion including one or more layers, an adhesive layer overlying a major surface of the functional portion, and a fluoropolymer layer overlying a major surface of the adhesive layer opposite the functional portion. The fluoropolymer layer includes a fluoropolymer. The adhesive layer includes an adhesive and an ultraviolet radiation absorber.10-13-2011
20110247685THIN-FILM SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A thin-film solar cell can include a light-reflective metal electrode layer, a first transparent conductive layer, a semiconductor layer and a front transparent conductive layer. The metal electrode layer can be formed on a substrate and has an uneven structure. The first transparent conductive layer can contain an amorphous transparent conductive material. The thin-film solar cell further can have a second transparent conductive layer between the first transparent conductive layer and the semiconductor layer. The second transparent conductive layer can be made of a crystalline transparent conductive material. Due to the first transparent conductive layer made amorphous, the surface roughness of the metal electrode layer is reduced so that the semiconductor layer can be formed with a good film quality.10-13-2011
20100243050SOLAR CELL DEVICE - A photovoltaic cell including: (a) a housing including an at least partially transparent cell wall having an interior surface; (b) an electrolyte, disposed within the cell wall, and containing an iodide based species; (c) a transparent electrically conductive coating disposed on the interior surface; (d) an anode disposed on the conductive coating, the anode including: (i) a porous film containing titania, the porous film adapted to make intimate contact with the iodide based species, and (ii) a dye, absorbed on a surface of the porous film, the dye and the porous film adapted to convert photons to electrons; (e) a cathode disposed on an interior surface of the housing, and disposed substantially opposite the anode; (f) electrically-conductive metallic wires, disposed at least partially within the cell, the wires electrically contacting the anode and the electrically conductive coating, and (g) a second electrically conductive coating including an inorganic binder and an inorganic electrically conductive filler, the second coating bridging between and electrically communicating between each of the wires and the transparent coating, the wires adapted to boost collection of a current generated by the cell.09-30-2010
20100243048METAL PASTES AND USE THEREOF IN THE PRODUCTION OF SILICON SOLAR CELLS - Metal pastes comprising (a) at least one electrically conductive metal powder selected from the group consisting of silver, copper and nickel, (b) at least one lead-free glass frit with a softening point temperature in the range of 550 to 611° C. and containing 11 to 33 wt.-% of SiO09-30-2010
20110253212SOLAR CELL ELECTRODE - A p-type electrode on p+ layer of solar cell comprising, prior to firing; (a) Electrically conductive particles comprising silver particle having a particle size of 0.1 to 10 microns and added particle composed of a metal alloy containing a metal selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt, (b) Glass frit, and (c) A resin binder, wherein the electrode is made from a fired conductive paste which is comprised of 40 to 90 wt % of the silver particle and 0.01 to 10 wt % of the added particle based on the weight of the paste.10-20-2011
20110174372SOLAR CELL AND ELECTRODE STRUCTURE THEREOF - An electrode structure for a solar cell is disposed on a substrate of the solar cell and includes a plurality of bus electrodes and finger electrodes. The bus electrodes are formed by separately disposing a conductive material on the substrate. The finger electrodes are formed by separately disposing a conductive material on the substrate and at two sides of the bus electrodes. The bus electrodes and the finger electrodes are formed by two screen printing processes. The bottom portion of the finger electrodes are formed by a first screen printing process, and the top portion of the finger electrodes and the bus electrodes are formed by a second screen printing process. The electrode structure can enhance the conductivity of electrodes and increase the reliability and yield of the solar cell, thereby achieving the purposes of increasing the photo-electro transition efficiency of the solar cell and decreasing the manufacturing cost.07-21-2011
20110253211SOLAR CELL AND METHOD FOR MANUFACTURING SAME - A solar cell an n-doped silicon substrate, having n10-20-2011
20110146782METHODS TO PATTERN DIFFUSION LAYERS IN SOLAR CELLS AND SOLAR CELLS MADE BY SUCH METHODS - Methods exploiting a Self Aligned Cell (SAC) architecture for doping purposes, use the architecture to direct the deposition and application of either a dopant or a diffusion retarder. Doping is provided in regions that will become metallization for conducting fingers. Dopant may be treated directly into metallization grooves. Or, diffusion retarder may be provided in non-groove locations, and dopant may be provided over some or all of the entire wafer surface. Dopant and metal automatically go where desired, and in register with each other. The SAC architecture also includes concave surfaces for light absorbing regions of a cell, to reduce reflection of light energy, which regions may also be treated with dopant in the concavities, to result in semiconductor emitter lines. Alternatively, diffusion retarder may be treated into the concavities, leaving upper tips of ridges between the concavities exposed, thereby subject to deeper doping.06-23-2011
20110146786PHOTOVOLTAIC MODULE INTERLAYER - A photovoltaic module may include a substrate including a coating; and an interlayer placed in contact with the substrate, where the interlayer includes an acid-modified polyethylene.06-23-2011
20090000660Heterojunction photovoltaic assembled with atomic layer deposition - A heterojunction photovoltaic cell. The cell includes a nanoporous substrate, a transparent conducting oxide disposed on the nanoporous substrate, a nanolaminate film deposited on the nanoporous substrate surface, a sensitizer dye disposed on a wide band gap semiconducting oxide and a redox shuttle positioned within the layer structure.01-01-2009
20110174371METHOD FOR LIMITING EPITAXIAL GROWTH IN A PHOTOELECTRIC DEVICE WITH HETEROJUNCTIONS AND PHOTOELECTRIC DEVICE - A method for limiting epitaxial growth in a photoelectric device with heterojunctions including a crystalline silicon substrate and at least one layer of amorphous or microcrystalline silicon, wherein the method is characterised in that it includes the step of texturing the crystalline silicon surface.07-21-2011
20080308145Front electrode including transparent conductive coating on etched glass substrate for use in photovoltaic device and method of making same - Certain example embodiments of this invention relate to a front electrode provided on an etched/patterned front glass substrate for use in a photovoltaic device or the like. The glass is a low-iron soda-lime-silica based glass. Etching of the glass may include immersing the soda-lime-silica based glass in an acid inclusive solution such as hydrofluoric acid (e.g., HF in aqueous solution) and/or hydrofluoric acid with a buffer, in order to selectively dissolve some of the glass thereby producing at least one textured/patterned substantially transparent surface of the glass substrate. A front electrode (single or multi-layered) is then formed (e.g., via sputter-deposition) on the textured surface of the front glass substrate, and may be used in a photovoltaic device or the like.12-18-2008
20090255580Quantum dot solar cell with quantum dot bandgap gradients - Efficient photovoltaic devices with quantum dots are provided. Quantum dots have numerous desirable properties that can be used in solar cells, including an easily selected bandgap and Fermi level. In particular, the size and composition of a quantum dot can determine its bandgap and Fermi level. By precise deposition of quantum dots in the active layer of a solar cell, bandgap gradients can be present for efficient sunlight absorption, exciton dissociation, and charge transport. Mismatching Fermi levels are also present between adjacent quantum dots, allowing for built-in electric fields to form and aid in charge transport and the prevention of exciton recombination.10-15-2009
20090126789Dye-sensitized solar cell - The present invention relates to a dye-sensitized solar cell that exhibits improved photoabsorption efficiency and optoelectronic conversion efficiency in the long-wavelength region. The dye-sensitized solar cell of the present invention, in coordination with an outer loop, comprises: a first substrate; a second substrate; and a photoenergy conversion layer disposed between the first substrate and the second substrate. Herein, the photoenergy conversion layer comprises an electrolytic condensed matter and pluralities of dye-adsorbed units dispersed in the electrolytic condensed matter. In addition, a first photonic crystal layer is disposed on the surface of the first substrate. A beam of light from the external environment can pass through the first photonic crystal layer and the first substrate to arrive in the photoenergy conversion layer. The photoenergy conversion layer can convert the photoenergy of the light to electric energy and the outer loop electrically connects to the first substrate and the second substrate.05-21-2009
20090126787SOLAR CELL AND AN ARRANGEMENT AND A METHOD FOR PRODUCING A SOLAR CELL - The present invention relates generally to solar cells, material layers within solar cells, a production method of solar cells, and a manufacturing arrangement for producing solar cells. A solar cell according to the invention includes at least one layer with a surface, produced by laser ablation, wherein the uniform surface area to be produced includes at least an area 0.2 dm05-21-2009
20090126785SOLAR CELL MODULE - An aspect of the invention provides a solar cell module that comprises: a solar cell having a light-receiving surface and a back surface formed on an opposite side to the light-receiving surface, the solar cell configured to generate electric power from light on the light-receiving surface; a translucent member covering the light-receiving surface side of the solar cell; a case covering the back surface side of the solar cell and formed integrally of a resin; and a conductive output cable buried in the case, a first end of the output cable electrically connected to the solar cell, a second end of the output cable exposed to the outside of the case, the conductive output cable comprising a locking part that locks the output cable in the case.05-21-2009
20090126784DYE-SENSITIZED SOLAR CELL USING CONDUCTIVE FIBER ELECTRODE - Provided is a dye-sensitized solar cell including a flexible electrode. The dye-sensitized solar cell includes: first and second electrodes facing each other, and an electrolyte layer interposed between the first and second electrodes, wherein the first electrode comprises a structure formed of conductive fibers, a nano-particle semiconductor oxide layer formed on a surface of the structure of the conductive fibers, and dye molecules adsorbed in the nano-particle semiconductor oxide layer.05-21-2009
20090126786Selective Emitter and Texture Processes for Back Contact Solar Cells - Methods for manufacturing textured selective emitter back contact solar cells, and solar cells made in accordance therewith. A separate antireflective coating is preferably deposited, which also preferably provides simultaneous hydrogen passivation. The high sheet resistance and low sheet resistance selective emitter diffusions may be performed in either order.05-21-2009
20080308146Front electrode including pyrolytic transparent conductive coating on textured glass substrate for use in photovoltaic device and method of making same - A photovoltaic device includes a front electrode on a textured front glass substrate. In certain example embodiments, the glass substrate is textured via roller(s) and/or etching to form a textured surface. Thereafter, a front electrode is formed on the textured surface of the glass substrate via pyrolysis. The front electrode may be of or include a transparent conductive oxide (TCO) such as tin oxide and/or fluorinated tin oxide in certain example embodiments. In certain example instances, this is advantageous in that efficiency of the photovoltaic device can be improved by increasing light absorption by the active semiconductor via both increasing light intensity passing through the front glass substrate and front electrode, and increasing the light path in the semiconductor photovoltaic conversion layer.12-18-2008
20090145476ISOELECTRONIC SURFACTANT SUPPRESSION OF THREADING DISLOCATIONS IN METAMORPHIC EPITAXIAL LAYERS - A method of reducing propagation of threading dislocations into active areas of an optoelectronic device having a III-V material system includes growing a metamorphic buffer region in the presence of an isoelectronic surfactant. A first buffer layer may be lattice matched to an adjacent substrate and a second buffer layer may be lattice matched to device layers disposed upon the second buffer layer. Moreover, multiple metamorphic buffer layers fabricated in this manner may be used in a single given device allowing multiple layers to have their band gaps and lattice constants independently selected from those of the rest of the device.06-11-2009
20090114277Production Process of Photoelectrode for Dye-Sensitized Solar Cell, Photoelectrode for Dye-Sensitized Solar Cell and Dye-Sensitized Solar Cell. - The invention provides a photoelectrode for dye-sensitized solar cell, by which a dye-sensitized solar cell capable of obtaining a high photoelectric conversion efficiency even when a plastic base is used as a transparent base forming a transparent substrate, and retaining a high level of photoelectric conversion efficiency even when the quantity of incident light is changed can be surely obtained with good reproducibility, a production process thereof, and a dye-sensitized solar cell.05-07-2009
20110174370THIN FILM SOLAR CELL AND MANUFACTURING METHOD THEREOF - A thin film solar cell includes a transparent substrate, a first transparent conductive layer, a photovoltaic layer, a second transparent conductive layer, a first adhesive layer and a reflective layer is provided. The first transparent conductive layer is disposed on a back surface of the transparent substrate. The photovoltaic layer is disposed on the first transparent conductive layer. The second transparent conductive layer is disposed on the photovoltaic layer. The first adhesive layer is disposed on the second transparent conductive layer. The reflective layer is disposed on the first adhesive layer. The surface of the first adhesive layer in contact with the reflective layer is a texture structure. The light beam passing the first adhesive layer is reflected by the texture structure or the reflective layer and transmitted back to the photovoltaic layer, and the wavelength range of the reflected light beam is substantially between 600 nm and 1,100 nm.07-21-2011
20110174368COMPOSITE ELECTROLYTE AND THE PREPARATION METHOD THEREOF, AND DYE-SENSITIZED SOLAR CELL USING THE SAME - A composite electrolyte, a preparation method thereof, and a dye-sensitized solar cell based on an electrolyte with hollow particles of metal oxide are disclosed. A dye-sensitized solar cell includes a photoelectrode substrate, a counter electrode substrate facing the photoelectrode substrate, a light absorbing layer formed on an inner surface of the photoelectrode substrate and having a dye adsorbed thereto, and a composite electrolyte, characterized in that an electrolyte is mixed with hollow particles composed of metal oxide particulates, filled between the light absorbing layer and the counter electrode substrate.07-21-2011
20110041915DYE-SENSITIZED PHOTOELECTRIC CONVERSION ELEMENT - A dye-sensitized photoelectric conversion device of the present invention has high energy conversion efficiency, even if the amount of iodine added into the electrolyte solution is significantly reduced. The dye-sensitized photoelectric conversion device has a porous photoelectrode layer comprising dye-sensitized semiconductor particles, an electrolyte solution layer, and a counter electrode layer in order. The electrolyte solution layer comprises an electrolyte solution containing 0.05 to 5 M of an aliphatic quarternary ammonium ion, 0.05 to 5 M of an imidazolium ion, and 0.1 to 10 M of iodide ion. The ions are dissolved in an organic solvent. Consequently, the amount of iodine added into the electrolyte solution can be reduced significantly.02-24-2011
20110041914DYE-SENSITIZED SOLAR CELL - A dye-sensitized solar cell is provided, which includes: a pair of electrode substrates (02-24-2011
20110041913Use of Hydrophobic Solvent-Based Pigment Preparations in Electronic Displays - The invention relates polysilazane-containing coatings for increasing the light permeability of sun-facing covers of solar cells. The coating for surfaces contains at least one polysilazane of formula (1) —(SiRR′R″—NR′″1)n— (1), wherein R′,R″,R′″ are the same or different or represent an optionally substituted alkyl, aryl, vinyl or (trialkoxysilyl)alkyl group, n being an integer and n being chosen in such a manner that the perhydropolysilazane has a number average molecular weight of 150 to 150,000 g/mol, a solvent and a catalyst. The cured coating has a thickness of at least 0.50-10 micrometer, preferably 0.2 to 5 micrometer, especially preferred 0.5 to 1.5 micrometer. It is especially suitable as transmission-promoting coating for use in sun-facing covers of solar cells.02-24-2011
20110041912PHOSPHONIUM IONIC LIQUIDS AND COATINGS MADE THEREFROM - The present invention provides phosphonium ionic liquids (11) and coatings made therefrom. Highly fluorinated phosphonium ionic liquids based on (11) having been produced exhibiting high thermal stabilities, low melting points and temperature dependent solvent miscibilities. These salts and derivatives of (11) have also been employed in the preparation of superhydrophobic surfaces, indicating that ionic liquids are not only new alternative solvents, but also viable functional materials. All derivatives of (11) form biphasic systems with common laboratory solvents of ranging polarity at room temperature. Based on the solvent miscibility experiments with water and the high fluorine loading, the PILs showed obvious evidence of being hydrophobic. Coatings made with these phosphonium ionic liquids (11), salts and derivatives thereof were superhydrophobic with water contact angles were measured and all of the surfaces were determined to be superhydrophobic with contact angles >150°.02-24-2011
20110041911SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a first doped region of a first conductive type formed on a semiconductor substrate of the first conductive type, a second doped region of a second conductive type opposite the first conductive type formed on the semiconductor substrate at a location adjacent to the first doped region, a passivation layer exposing a portion of each of the first and second doped regions, a first electrode formed on the exposed portion of the first doped region, and a second electrode formed on the exposed portion of the second doped region. The first electrode includes a metal seed layer directly contacting the first doped region, and the second electrode includes a metal seed layer directly contacting the second doped region.02-24-2011
20110041910PHOTOELECTRIC CONVERSION DEVICE AND MANUFACTURING METHOD THEREOF - A novel photoelectric conversion device and a manufacturing method thereof are provided. The photoelectric conversion device includes an insulating layer over a light-transmitting base substrate; a single crystal semiconductor layer provided with a plurality of depressions which are filled with the insulating layer; a plurality of first impurity semiconductor layers formed in stripes having one conductivity type and a plurality of second impurity semiconductor layers formed in stripes having a conductivity type which is opposite to the one conductivity type, which are arranged alternately and do not overlap with each other, in a surface layer or over a surface of the single crystal semiconductor layer; first electrodes which are in contact with the first impurity semiconductor layers; and second electrodes which are in contact with the second impurity semiconductor layers.02-24-2011
20110041909DYE-SENSITIZED SOLAR CELL - There is provided a dye-sensitized solar cell that may improve power generation efficiency by suppressing light absorption of a wiring part.02-24-2011
20110041908REAR-CONTACT SOLAR CELL HAVING ELONGATE, INTER-DIGITATED EMITTER AND BASE REGIONS ON THE REAR SIDE AND METHOD FOR PRODUCING THE SAME - The invention relates to a rear-contact solar cell and to a method for producing the same, wherein elongate emitter regions (02-24-2011
20110041907ORGANIC SENSITIZERS - The present invention relates to new organic sensitizer compounds and to photoelectric conversion devices, in particular dye-sensitised solar cells comprising the new sensitizers. The present invention also relates to flexible photoelectric conversion devices, which are based on ionic liquid electrolytes or organic charge transporting materials.02-24-2011
20110041906SOLAR CELL - A solar cell includes a substrate of a first conductive type having at least one via hole; an emitter layer of a second conductive type opposite to the first conductive type; and at least one first electrode positioned from a first surface of the substrate to the at least one via hole, and at least one first electrode current collector positioned from the at least one via hole to a second surface of the substrate, wherein the at least one via hole has a radius of about 10 μm to about 40 μm, and at least one of a portion of the at least one first electrode and a portion of the at least one electrode current collector, in the at least one via hole, includes at least one cavity.02-24-2011
20110041905ORGANIC SOLAR CELL AND METHOD FOR FORMING THE SAME - The invention provides an organic solar cell, containing a substrate having a first electrode formed thereon, an organic photoactive layer including a crystalline, first organic molecule of a first conductive type and a second molecule of a second conductive type opposite to the first conductive type; and a second electrode overlying the organic photoactive layer. The invention further provides a method for forming the organic solar cell.02-24-2011
20080223436Back reflector for use in photovoltaic device - This invention relates to a photovoltaic device including a back reflector. In certain example embodiments, the back reflector includes a metallic based reflective layer provided on an interior surface of a rear glass substrate of the photovoltaic device. In certain example embodiments, the interior surface of the rear glass substrate is textured so that the reflector layer deposited thereon is also textured so as to provide desirable reflective characteristics. The rear glass substrate and reflector thereon are laminated to the interior surface of a front glass substrate of the photovoltaic device, with an active semiconductor film and electrode(s) therebetween, in certain example embodiments.09-18-2008
20110162701Photovoltaic Cells - A photovoltaic cell is provided herein. The photovoltaic cell includes a substrate whereby at least one interconnects may be formed over the substrate to facilitate energy conversion of the photovoltaic cell. In this embodiment, a conformal layer may be deposited over the interconnects, the conformal layer having a thickness of up to about 100 nm, and whereby the conformal layer is designed to permit external radiation to pass through to the interconnects so as to enhance the efficiency of energy conversion by at least about 25% as measured at standard test condition. In another embodiment, the interconnects of the photovoltaic cell may have tapered profile as to facilitate collection of diffused external radiation. In some instances, the tapered profile may facilitate in diverting the diffused external radiation to the interconnects for enhancing energy conversion of the photovoltaic cell. A method for method of manufacturing a photovoltaic cell is also provided.07-07-2011
20120199190SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a silicon semiconductor substrate; an emitter layer formed on a surface of the silicon semiconductor substrate; an antireflection layer formed on the emitter layer: and a front electrode electrically connected to the emitter layer by penetrating the antireflection layer. The front electrode includes a finger line and a busbar electrode electrically connected to the finger line, and the busbar electrode includes at least a first electrode line and a second electrode line electrically connected to each other. The first and second electrode lines have a width same as or larger than a width of the finger line, and the first and second electrode lines have the width of 100 μm or less.08-09-2012
20120199191BATTERY AND SOLAR METHOD FOR MANUFACTURING THE SAME - A solar battery according to the embodiment of the present invention includes an rear electrode formed on a substrate and separated by an first through-hole; an light absorbing layer formed on the rear electrode including the first through-hole; a second through-hole exposing the rear electrode through the light absorbing layer; a buffer layer formed on the upper surface and the side surface of the light absorbing layer; a front electrode layer formed on the buffer layer; and a connection wiring extending from the front electrode layer and formed within the second through-hole.08-09-2012
20120199189THREE DIMENSIONAL DYE-SENSITIZED SOLAR CELLS WITH NANOSCALE ARCHITECTURES - Techniques, apparatus, materials and systems are described for providing solar cells. In one aspect, an apparatus includes a high efficiency dye sensitized solar cell (DSSC). The DSSC includes three-dimensional nanostructured electrodes. The three-dimensional nanostructured electrodes can include a cathode; an electrolyte; and anode that includes TiO2 nanotubes arranged in a three-dimensional structure; and a photosensitive dye coated on the anode.08-09-2012
20120199188METAL CONTACT FORMATION AND WINDOW ETCH STOP FOR PHOTOVOLTAIC DEVICES - Embodiments of the invention generally relate to photovoltaic devices and more specifically, to metallic contacts disposed on photovoltaic devices and to the fabrication processes for forming such metallic contacts. In one aspect, a method for contact patterning on a photovoltaic device includes providing a semiconductor structure that includes a front contact layer and a window layer underneath the front contact layer, where the window layer also acts as an etch stop layer. At least one metal layer is deposited on the front contact layer, and a resist is applied on portions of the at least one metal layer. The at least one metal layer and the front contact layer are etched through to achieve the desired metallization.08-09-2012
20110253213THIN FILM SOLAR CELL - A thin film solar cell is discussed. The thin film solar cell includes a substrate, a front electrode positioned on the substrate, a back electrode positioned on the front electrode, and a photoelectric conversion unit positioned between the front electrode and the back electrode. The front electrode includes first and second front electrode layers each containing a conductive material with light transmissivity. The first front electrode layer is formed on the substrate and contacts the substrate, and a porous pin hole exposing a portion of the substrate is formed in a portion of the first front electrode layer. The second front electrode layer contacts the first front electrode layer and covers the porous pin hole of the first front electrode layer.10-20-2011
20110005591Solar Cell Front Contact Doping - A method of doping solar cell front contact can improve the efficiency of CdTe-based or other kinds of solar cells.01-13-2011
20110162702QUASI-PYRAMIDAL TEXTURED SURFACES USING PHASE-SEGREGATED MASKS - A method of texturing a surface of a substrate utilizing a phase-segregated mask and etching is disclosed. The resulting textured surface, which can be used as a component of a solar cell includes, in one embodiment, a randomly mixed collection of flat-topped and angled surfaces providing local high points and local low points. The flat-topped surfaces have an areal density of at least 1%, and the high points are coincident with the flat-topped surfaces. Moreover, a preponderance of said low points are approximately situated in a single common plane parallel to the plane defined by the flat-topped surfaces.07-07-2011
20110162710SOLAR CELL AND SOLAR CELL MANUFACTURING METHOD - A solar cell includes: a photoelectric converter in which a first electrode layer, a photoelectric conversion layer, and a second electrode layer are stacked on a substrate in order; and a texture layer that is disposed between the substrate and the first electrode layer, made of a transparent material in a visible light region, and has a continuous irregular configuration on a face that is in touch with the first electrode layer.07-07-2011
20110162708DYE-SENSITIZED SOLAR CELL EMPLOYING ZINC OXIDE AGGREGATES GROWN IN THE PRESENCE OF LITHIUM - Provided are a novel ZnO dye-sensitized solar cell and method of fabricating the same. In one embodiment, deliberately added lithium ions are used to mediate the growth of ZnO aggregates. The use of lithium provides ZnO aggregates that have advantageous microstructure, morphology, crystallinity, and operational characteristics. Employing lithium during aggregate synthesis results in a polydisperse collection of ZnO aggregates favorable for porosity and light scattering. The resulting nanocrystallites forming the aggregates have improved crystallinity and more favorable facets for dye molecule absorption. The lithium synthesis improves the surface stability of ZnO in acidic dyes. The procedures developed and disclosed herein also help ensure the formation of an aggregate film that has a high homogeneity of thickness, a high packing density, a high specific surface area, and good electrical contact between the film and the fluorine-doped tin oxide electrode and among the aggregate particles.07-07-2011
20110162706PASSIVATED POLYSILICON EMITTER SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a polysilicon emitter solar cell with a passivating layer over its polysilicon emitter layer is disclosed. The method includes steps of preparing a substrate, forming a first polysilicon layer over the substrate, and forming a first passivating layer over the first polysilicon layer. Another embodiment of the present invention discloses a solar cell apparatus. The solar cell apparatus includes a substrate, a first polysilicon layer over the substrate, and a first passivating layer on first polysilicon layer.07-07-2011
20110162703ADVANCED HIGH EFFICIENTCY CRYSTALLINE SOLAR CELL FABRICATION METHOD - A method of fabricating a solar cell comprising: providing a semiconducting wafer having a front surface, a back surface, and a background doped region; performing a set of ion implantations of dopant into the semiconducting wafer to form a back alternatingly-doped region extending from the back surface of the semiconducting wafer to a location between the back surface and the front surface, wherein the back doped region comprises laterally alternating first back doped regions and second back doped regions, and wherein the first back doped regions comprise a different charge type than the second back doped regions and the background doped region; and disposing a back metal contact layer onto the back surface of the semiconducting wafer, wherein the back metal contact layer is aligned over the first and second back doped regions and is configured to conduct electrical charge from the first and second back doped regions.07-07-2011
20100186815Photovoltaic Device With Improved Crystal Orientation - A photovoltaic device can include a semiconductor absorber layer with improved cadmium telluride orientation.07-29-2010
20110162707ELECTRICAL CONTACT WITH ANTI TARNISH OXIDE COATING - The invention relates to an electrical contact t comprising a strip substrate comprising a conductive layer of a metal or an alloy provided on the surface of the substrate and an oxide layer provided on the conductive layer. By means of the oxide layer the underlying metal or alloy layer is protected from reaction with elements such as oxide or sulphur in the ambient air. The invention also relates to products such as fuel cells and solar cells comprising the electrical contact.07-07-2011
20110162709METHOD FOR THE TREATMENT OF SUBSTRATES, SUBSTRATE AND TREATMENT DEVICE FOR CARRYING OUT SAID METHOD - In a method for the treatment of substrates (07-07-2011
20110253210SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a solar cell includes forming a textured surface having a plurality of jagged portion at a surface of a substrate of a first conductive type; forming an emitter portion by doping an impurity into the substrate, the emitter portion having a second conductive type opposite to the first conductive type; removing a portion of the emitter portion by using a dry etching method, to form an emitter region; forming an anti-reflection layer on the emitter region; and forming a first electrode connected to the emitter region and a second electrode connected to the substrate.10-20-2011
20100319768THIN-FILM SOLAR CELL AND PROCESS FOR ITS MANUFACTURE - The present invention refers to a thin-film solar cell which is contacted from the rear-side. The invention is based on a combination of thin-film solar cells, e.g. wafer equivalents, with the emitter wrap-through (EWT) technology. The present invention also provides a process for manufacturing these solar cells.12-23-2010
20100319766SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes; a semiconductor substrate including a first conductive type part selected from one of a p-type and n-type material and a second conductive type part selected from p-type and n-type material different from the first conductive type part, and a plurality of contact holes penetrating from a first surface to a second surface of the semiconductor substrate, a first electrode disposed on the first surface of the semiconductor substrate and electrically connected to the second conductive type part, a second electrode disposed on the second surface of the semiconductor substrate and electrically connected to the first conductive type part, and a dielectric layer disposed between the semiconductor substrate and the second electrode in the contact hole, and a method of manufacturing the solar cell.12-23-2010
20100319769PROCESSES FOR FABRICATING ALL-BACK-CONTACT HETEROJUNCTION PHOTOVOLTAIC CELLS - Processes for fabricating back contacts for photovoltaic cell devices are disclosed. The processes involve depositing a passivation layer on the back surface of a wafer, depositing an emitter layer on the passivation layer, depositing a metal layer on the emitter layer, laser firing selected areas of the metal layer to form base contacts, laser cutting the metal layer to create at least one isolation region between emitter contacts and base contacts, and applying a stream of reactive gas to form a second passivation layer in the isolation region. The process may further involve inkjetting a resist on the passivation layer in a pattern corresponding to a boundary between the one or more emitter contacts and the one or more base contacts, and laser cutting the metal layer over the resist to create the isolation region.12-23-2010
20100319765PHOTOVOLTAIC DEVICES - A photovoltaic device includes a photoactive layer which has at least one embossed pattern on a surface thereof. This embossed pattern varies traveling directions of light in the photoactive layer.12-23-2010
20100319770SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell and a method for manufacturing the same are disclosed. The solar cell includes a first conductive type substrate, an emitter layer of a second conductive type opposite the first conductive type, the emitter layer and the substrate forming a p-n junction, a plurality of first electrodes electrically connected to the emitter layer, at least one current collector connected to the plurality of first electrodes, and a second electrode electrically connected to the substrate. Each of the plurality of first electrodes includes a first electrode layer and a second electrode layer on the first electrode layer. The at least one current collector includes a plurality of first current collector layers having a plurality of first portions and at least one second current collector layer on the plurality of first current collector layers.12-23-2010
20110017287SUBSTRATES FOR PHOTOVOLTAICS - Light scattering substrates, superstrates, and/or layers for photovoltaic cells are described herein. Such structures can be used for volumetric scattering in thin film photovoltaic cells.01-27-2011
20110048532PHOTOVOLTAIC DEVICE - Methods and apparatus are provided for converting electromagnetic radiation, such as solar energy, into electric energy with increased efficiency when compared to conventional solar cells. A photovoltaic (PV) unit, according to embodiments of the invention, may have a very thin absorber layer produced by epitaxial lift-off (ELO), all electrical contacts positioned on the back side of the PV device to avoid shadowing, and/or front side and back side light trapping employing a diffuser and a reflector to increase absorption of the photons impinging on the front side of the PV unit. Several PV units may be combined into PV banks, and an array of PV banks may be connected to form a PV module with thin strips of metal or conductive polymer applied at low temperature. Such innovations may allow for greater efficiency and flexibility in PV devices when compared to conventional solar cells.03-03-2011
20100282313DYE-SENSITIZED SOLAR CELL USING COMPOSITE SEMICONDUCTOR MATERIAL - The invention relates to a dye-sensitized solar cell using composite semiconductor materials, said composite semiconductor materials comprising semiconductor material particles and inorganic particulates coated on the surfaces of the semiconductor material particles, wherein the composite semiconductor materials have a surface area in the range from about 15 to about 80 m11-11-2010
20100282311Solar Cell Device Having Low Electrical and Thermal Impedance - A solar cell is fabricated. Its light-absorbing part is close to a heat-diffusing device. Thus, the solar cell has low electrical and thermal Impedance. The solar cell has a strong structure, high efficiency and is fit for mass production.11-11-2010
20100282312ELECTRONIC DEVICE HOUSING WITH SOLAR PAINT AND MANUFACTURING METHOD THEREOF - The invention provides an electronic device housing with solar paint and a manufacturing method thereof. Solar-powered paint layers are transferred onto the housing by the IMD technology. Therefore, the housing of the electronic device can generate electric energy via solar power to prolong the operation time of the electronic device and achieve environmental protection and energy conservation effects.11-11-2010
20110108107Thin-Film Solar Battery Module and Method of Manufacturing the Same - [Object] To provide a thin-film solar battery module and a method of manufacturing the thin-film solar battery module that are capable of improving connection reliability of an external connection terminal and reducing connection resistance thereof.05-12-2011
20110108104PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device that includes: a light-receiving substrate, on which a photoelectrode is formed; a counter substrate that is disposed facing the light-receiving substrate, on which a counter electrode is formed; a semiconductor layer that is formed on the photoelectrode, into which a photosensitive dye is absorbed; and an electrolyte layer that is formed between the semiconductor layer and the counter electrode. The counter electrode includes a catalyst layer formed directly on the counter substrate.05-12-2011
20110108102SOLAR CELL WITH ENHANCED EFFICIENCY - Solar cells and methods for manufacturing solar cells are disclosed. An example solar cell may include a substrate, which in some cases may act as an electrode, a nano-pillar array coupled relative to the substrate, a self-assembled monolayer disposed on the nano-pillar array, an active layer provided on the self-assembled monolayer, and an electrode electrically coupled to the active layer. In some cases, the self-assembled monolayer may include alkanedithiol, and the active layer may include a photoactive polymer, but this is not required.05-12-2011
20120031486Nanoparticle Plasmon Scattering Layer for Photovoltaic Cells - The present invention relates to nanoparticle compositions for use in photovoltaic cells. Nanoparticles are utilized to provide increased scattering and also wavelength shifting to increase the efficiency of the photovoltaic cells. Exemplary nanoparticles include colloidal metal and fluorescent nanoparticles.02-09-2012
20120031480Current collection system for a photovoltaic cell - The present invention provides a photovoltaic cell having an improved current collection system. A photovoltaic cell includes a back contact substrate, a layer of photovoltaic material deposited over the back contact substrate, a front contact layer deposited over the photovoltaic material, and a current collection system. The current collection system includes a conductive wire having a loop portion. The conductive wire is attached to the front contact layer and at least one busbar. The at least one busbar is attached to end portions of the photovoltaic cell.02-09-2012
20120031482PHOTOVOLTAIC CELL AND METHODS FOR PRODUCING A PHOTOVOLTAIC CELL - A photovoltaic device is provided that includes a substrate, a first transparent conductive layer positioned on the substrate, a plurality of transparent conductive rods positioned on the first transparent conductive layer and having a growth direction, the growth direction extending in a direction away from the substrate, a photovoltaically active layer covering the plurality of transparent conductive rods rods and a conductive layer positioned on the photovoltaically active layer.02-09-2012
20110132452Dye-Sensitized Photovoltaic Device - Disclosed is a dye-sensitized photovoltaic device in which a metal complex dye represented by Formula (1), or a salt thereof, is carried on a thin film of oxide semiconductor micrograins disposed on a substrate. (In Formula (1), m06-09-2011
20110132454Back Sheet of Solar Cell and Manufacturing Method Thereof - A back sheet of solar module with high adhesivity comprises a substrate (06-09-2011
20110132451SOLDER SUPPORTING LOCATION FOR SOLAR MODULES AND SEMICONDUCTOR DEVICE - A soldered connection between an outer surface of a semiconductor device, connected to a substrate by means of an adhesive layer, and a connector in the form of a strip. In order that tensile forces acting on the connector do not cause the semiconductor device to become detached from the substrate or the adhesive layer, it is proposed that a supporting location extends from the outer surface of the semiconductor device, which supporting location is formed of solderable material and makes contact with the outer surface by way of a contact surface A, in or on which the connector is soldered while maintaining a distance a from the outer surface where a≧10μ; and/or that the distance b between the edge of the contact surface between the supporting surface and the outer surface and the entry of the connector into the supporting location or the beginning of contact therebetween is b≧50μ.06-09-2011
20110132448SOLAR CELLS AND METHODS OF FABRICATION THEREOF - Solar cells and methods for fabrication thereof are provided. A method may include forming a via through at least one dielectric layer formed on a semiconductor wafer by using a laser to ablate a region of the at least one dielectric layer such that at least a portion of the surface of the semiconductor wafer is exposed by the via. The method may further include applying a self-doping metal paste to the via. The method may additionally include heating the semiconductor wafer and self-doping metal paste to a temperature sufficient to drive at least some dopant from the self-doping metal paste into the portion of the surface of the semiconductor wafer exposed by the via to form a selective emitter region and a contact overlying and self-aligned to the selective emitter region.06-09-2011
20100258175PANCHROMATIC PHOTOSENSITIZERS AND DYE-SENSITIZED SOLAR CELL USING THE SAME - Panchromatic photosensitizers having a Formula of ML10-14-2010
20100300529DYE-SENSITIZED SOLAR CELL - Disclosed is a dye-sensitized solar cell which can simultaneously realize an excellent photoelectric conversion efficiency and excellent durability. The dye-sensitized solar cell is also suitable when a resin film is used as a base material. The dye-sensitized solar cell comprises an electroconductive base material, and a metal oxide semiconductor layer formed of a semiconductor film with a dye adsorbed on the surface thereof, a charge transfer layer, and a counter electrode provided in that order on the electroconductive base material and is characterized in that a metal oxide intermediate layer formed of fine particles of a metal oxide is provided between the electroconductive base material and the metal oxide semiconductor layer and the electroconductive base material comprises a transparent base material, and a metallic current collecting layer formed of metallic fine wires and an electroconductive polymer-containing transparent electroconductive layer provided on the transparent base material.12-02-2010
20100300526SOLAR CELL AND METHOD FOR MANUFACTURING SOLAR CELL - A solar cell includes a substrate, a first electrode layer formed on the substrate, a semiconductor layer formed on the first electrode layer, a second electrode layer formed on the semiconductor layer, and a conductive contact layer formed in a groove portion extending from the first electrode layer to the second electrode layer in a portion of the semiconductor layer.12-02-2010
20110083735SOLAR CELL AND METHOD OF FABRICATING THE SAME - A solar cell and a fabricating method thereof are provided. In the method of fabricating the solar cell, a p-type semiconductor substrate on whose light-receiving surface an anti-reflection coating is formed is loaded into a processing chamber. In this case, the p-type semiconductor substrate may be loaded on a substrate support of an apparatus of processing a plurality of substrates along the circumference of the substrate support, in the state where the back surface of the p-type semiconductor substrate faces upward. Then, a back surface field (BSF) layer having the characteristic of Negative Fixed Charge (NFC) is formed with AlO, AlN or ALON on the back surface of the p-type semiconductor substrate. At this time, the BSF layer may be formed by simultaneously injecting an Al source gas, a first purge gas, an oxidizing agent gas and/or a ntiriding agent gas, and a second purge gas through injection holes of individual gas injection units while relatively rotating the substrate support with respect to the shower head. Thereafter, a back surface electrode is formed on the BSF layer such that the back surface electrode is electrically connected to the BSF layer.04-14-2011
20100180945Method and Structure for Fabricating Solar Cells - A photovoltaic cell device, e.g., solar cell, solar panel, and method of manufacture. The device has an optically transparent substrate comprises a first surface and a second surface. A first thickness of material (e.g., semiconductor material, single crystal material) having a first surface region and a second surface region is included. In a preferred embodiment, the surface region is overlying the first surface of the optically transparent substrate. The device has an optical coupling material provided between the first surface region of the thickness of material and the first surface of the optically transparent material. A second thickness of semiconductor material is overlying the second surface region to form a resulting thickness of semiconductor material.07-22-2010
20110083734MODULE MOISTURE BARRIER - A photovoltaic module may include a substrate; a semiconductor layer adjacent to the substrate; a lead foil adjacent to the semiconductor layer; a cover glass adjacent to the lead foil, where the cover glass includes a top surface, a bottom surface, and an opening, where the opening penetrates the top and bottom surfaces of the cover glass, and the opening includes an opening lateral dimension; and a barrier layer between the cover glass and the semiconductor layer, where the barrier layer includes a barrier lateral dimension, where the barrier lateral dimension is greater than the opening lateral dimension.04-14-2011
20100180943POLY(VINYL BUTYRAL) ENCAPSULANT COMPRISING CHELATING AGENTS FOR SOLAR CELL MODULES - Provided is a solar cell module that comprises a solar cell assembly. The solar cell assembly is encapsulated by a poly(vinyl butyral) encapsulant and contains an oxidizable metal component that is at least partially in contact with the poly(vinyl butyral) encapsulant. The poly(vinyl butyral) encapsulant comprises poly(vinyl butyral), about 15 to about 45 wt % of one or more plasticizers, and about 0.5 to about 2 wt % of one or more chelating agent, based on the total weight of the poly(vinyl butyral) encapsulant. Further provided are an assembly for preparing the solar cell module; a process for preventing or reducing the discoloration of a poly(vinyl butyral) encapsulant in contact with an oxidizable metal component in the solar cell module; and the use of the solar cell module to convert solar energy to electricity.07-22-2010
20100180944Polymers with low band gaps and high charge mobility - Polymers with low band gaps and high charge mobility, as well as related systems, methods and components are disclosed.07-22-2010
20100180942POLY(VINYL BUTYRAL) ENCAPSULANT COMPRISING HINDERED AMINES FOR SOLAR CELL MODULES - Provided is a solar cell module that comprises a solar cell assembly. The solar cell assembly is encapsulated by a poly(vinyl butyral) encapsulant and contains an oxidizable metal component that is at least partially in contact with the poly(vinyl butyral) encapsulant. The poly(vinyl butyral) encapsulant comprises poly(vinyl butyral), about 15 to about 45 wt % of one or more plasticizers, and about 0.5 to about 2 wt % of one or more hindered amine, based on the total weight of the poly(vinyl butyral) encapsulant. Further provided are an assembly for preparing the solar cell module; a process for preventing or reducing the discoloration of a poly(vinyl butyral) encapsulant in contact with an oxidizable metal component in the solar cell module; and the use of the solar cell module to convert solar energy to electricity.07-22-2010
20100180941ANTIREFLECTION FILM OF SOLAR CELL, SOLAR CELL, AND METHOD OF MANUFACTURING SOLAR CELL - Provided are an antireflection film of a solar cell, the solar cell, and a method of manufacturing the solar cell. The antireflection film of a solar cell includes a low dielectric film formed of a material having a first dielectric constant; a high dielectric film formed of a material having a second dielectric constant higher than the first dielectric constant; and a gradient layer disposed between the low dielectric film and the high dielectric film, and formed so as to gradually increase a dielectric constant from the first dielectric constant to the second dielectric constant. According to the present invention, light absorption efficiency of a solar cell can be increased.07-22-2010
20100180939Heat treatable magnesium fluoride inclusive coatings, coated articles including heat treatable magnesium fluoride inclusive coatings, and methods of making the same - Certain example embodiments of this invention relate to optical coatings including magnesium fluoride and/or organosilane based coatings, which may be disposed on textured or un-textured substrates (e.g., glass substrates). Surprisingly and unexpectedly, the magnesium fluoride coatings are temperable, while the organosilane based coatings are low temperature heat treatable. Additionally, surprisingly and unexpectedly, such coatings on textured and un-textured glass surfaces result in superior transmission increases.07-22-2010
20100180940Photovoltaic Module With Stabilized Polymer - The present invention provides a photovoltaic device comprising metal and a poly(vinyl butyral) layer that incorporates a suitable amount of 1H-benzotriazole. When electrical bias is applied to the photovoltaic device, 1H-benzotriazole forms a barrier layer at the metal/poly(vinyl butyral) interface, which, for example, unexpectedly virtually eliminated the yellowing of poly(vinyl butyral) in photovoltaic devices comprising silver components.07-22-2010
20090211631PHOTOLUMINESCENT BACKING SHEET FOR PHOTOVOLTAIC MODULES - The present invention provides a protective backing sheet for photovoltaic modules. The backing sheets are capable of absorbing a wide range of solar wavelengths (UV, IR and visible) and re-emitting the absorbed solar radiation as a photons wherein the energy is at or greater than the band gap energy of corresponding semiconductor. The backing sheet can be used in a variety of applications including in photovoltaic devices.08-27-2009
20110088771PROCESS OF MANUFACTURING TCO SUBSTRATE WITH LIGHT TRAPPING FEATURE AND THE DEVICE THEREOF - A new process of manufacturing a transparent conductive oxide (TCO) substrate with light trapping feature and the device thereof is described. The process comprises: forming a metal layer on a substrate, annealing the metal layer so that metal elements are self-aggregated, thereby forming a plurality of island-structure metal protrusions; and forming a transparent conductive oxide layer on the island-structure metal protrusions and the substrate.04-21-2011
20110048528STRUCTURE OF A SOLAR CELL - A structure of a solar cell is provided. The structure of the solar cell includes a substrate, a base and a plurality of nanostructures. The base is disposed on the substrate. The nanostructures are disposed on a surface of the base, or a surface of the base includes the nanostructures, so as to increase light absorption of the structure.03-03-2011
20110073180LEAD FREE GLASS FRIT POWDER FOR MANUFACTURING SILICON SOLAR CELL, ITS PRODUCING METHOD, METAL PASTE COMPOSITION CONTAINING THE SAME AND SILICON SOLAR CELL - Disclosed are lead free glass frit powder for manufacturing a silicon solar cell, its producing method, a metal paste composition containing the same and a silicon solar cell. The lead free glass frit powder for manufacturing a silicon solar cell includes Bi03-31-2011
20110079279SELF-REMEDIATING PHOTOVOLTAIC MODULE - A method for manufacturing a photovoltaic module may include forming a photovoltaic device including a constituent material; forming a hydrophilic material adjacent to the constituent material, where the hydrophilic material includes cellulose; and depositing a remediation agent adjacent to the hydrophilic material, such that the remediation agent is proximate to, but not contacting the constituent material.04-07-2011
20110174373Photoelectric Conversion Cell and Photoelectric Conversion Module - A photoelectric conversion cell includes: first and second electrode layers spaced apart from each other; a first semiconductor layer of a first conductivity type provided on the first electrode layer; a second semiconductor layer of a second conductivity type provided on the first semiconductor layer, the second semiconductor layer forming a pn junction with the first semiconductor layer; a connecting portion for electrically connecting the second semiconductor layer and the second electrode layer; and a plurality of collector electrodes each with a linear portion and a projecting portion, the linear portion extending on the second semiconductor layer from a position above the connecting portion toward an end of the second semiconductor layer, the projecting portion overlapping at least partially the connecting portion in top perspective view, while projecting from at least one of opposite ends of the linear portion in its shorter side direction. In two adjacent ones of the plurality of collector electrodes, the projecting portions of the adjacent collector electrodes are spaced apart from each other.07-21-2011
20100258182SOLAR CELL ELECTRODE - This invention relates to an electrode used in a solar cell that exhibits good conductivity at the N layer and P layer and to a conductive paste used for producing such an electrode.10-14-2010
20110180135BUFFER LAYER MANUFACTURING METHOD AND PHOTOELECTRIC CONVERSION DEVICE - A method of manufacturing a buffer layer of a photoelectric conversion device having a stacked structure in which a lower electrode, a photoelectric conversion semiconductor layer that generates a current by absorbing light, the buffer layer, and a translucent conductive layer are stacked on a substrate, in which the buffer layer is formed by a CBD method, a pH variation of reaction solution for forming the buffer layer is controlled within 0.5 while deposition of the buffer layer by the CBD method is in progress, and the reaction solution includes a Cd or Zn metal and a sulfur source.07-28-2011
20100170566APPARATUS AND METHOD FOR MANUFACTURING POLYMER SOLAR CELLS - The present disclosure provides an apparatus and method for manufacturing polymer solar cells. The apparatus is designed to adapt many techniques used in the compact disc manufacturing industry to the manufacture of polymer solar cells. The apparatus comprises: means for creating a polymer substrate for a solar cell with a polycarbonate injection molding machine; means for depositing a cathodic contact layer on the polymer substrate; means for depositing a photonic energy absorbing layer on the polymer substrate with directed energy; means to use a thermal process chamber for formation of a CIGS absorber layer; means for depositing a buffer layer on the polymer substrate; means for depositing a highly resistive transmissive intrinsic layer with directed energy; means for depositing a transmissive contact layer on the polymer substrate; means for adding anodic contacts to one of the layers; means for depositing an anti-reflective coating layer on the polymer substrate; and means for encapsulating the solar cell to provide environmental protection.07-08-2010
20110259414REFLECTIVE ELECTRODE AND PHOTOELECTRIC ELEMENT - A reflective electrode which can be provided in a photoelectric element such as light emitting diode or solar cell is disclosed. The reflective electrode include a plurality of conductive material layers electrically connected with a semiconductor layer used as light absorbing layer or active layer of the photoelectric element; and at least one metal film arranged between neighboring two of the plurality of the conductive material layers. Here, the plurality of the conductive material layers are formed of a conductive material having a lower refraction index than a refraction index of the semiconductor layer, and one of the conductive material layers which directly contacts with the semiconductor layer is formed of a conductive material having a lower contact resistance than a contact resistance of a metal with the semiconductor layer.10-27-2011
20090145479Shaped Tab Conductors for a Photovoltaic Cell - A shaped tab conductor configured to allow more incident light to strike a cell substrate, improving the photovoltaic efficiency of the cell. The shaped tab conductor is configured to reduce the amount of incident light that is blocked by the tab from reaching the surface of the cell substrate. The tab may also be configured to redirect light reflected from the cell surface back to the cell surface. The cross-section of the tab conductor may be polygonal, such as a rhombus, with at least one generally planar surface that forms an acute angle with the substrate.06-11-2009
20090308444PHOTOVOLTAIC CELL AND PHOTOVOLTAIC CELL SUBSTRATE - Method of fabricating a transparent electrode based on zinc oxide, characterized in that a layer based on zinc oxide is deposited on at least one of the faces of a substrate or on at least one layer in contact with one of the faces of said substrate, and in that this layer is subjected to a heat treatment so as to over-oxidize a portion of the surface of said layer to a fraction of its thickness.12-17-2009
20090308442NANOSTRUCTURE ENABLED SOLAR CELL ELECTRODE PASSIVATION VIA ATOMIC LAYER DEPOSITION - A system and method for reducing charge recombination within nanostructure enabled solar cells. A nanostructure enabled solar cell includes a nanoporous electron conductor and a hole conductor. The surface of the nanoporous electron conductor includes a sensitizer of nanoparticles, such as quantum dots and also a thin and conformal passivation layer that can be selectively coated onto the electron conductor surface. The passivation layer coats the electron conductor surface without covering the surface of the nanoparticles.12-17-2009
20090308448STACKED-LAYERED THIN FILM SOLAR CELL AND MANUFACTURING METHOD THEREOF - Disclosed are a stacked-layered thin film solar cell and a manufacturing method thereof. The stacked-layered thin film solar cell includes plural unit cells connected together electrically, each including a substrate, a first electrode layer, a first photoconductive layer, an interlayer, a second photoconductive layer and a second electrode layer, wherein the first electrode layer is divided by plural first grooves; plural second grooves are formed through the second photoconductive layer, the interlayer, and the first photoconductive layer; and plural third grooves are formed in the second electrode layer and extended downward through the first photoconductive layer. The first, second and third grooves are offset with respect to one another. The stacked-layered thin film solar cell is characterized by plural recesses formed at intersections between the interlayer and the second grooves for preventing leakage of electrical current from the first or second photoconductive layer to the interlayer through the second grooves.12-17-2009
20090308445PHOTOVOLTAIC CELL AND PHOTOVOLTAIC CELL SUBSTRATE - Method of fabricating a transparent electrode based on zinc oxide, possibly doped, characterized in that a layer based on zinc oxide is deposited on at least one of the faces of a substrate or on at least one layer in contact with one of the faces of said substrate, and in that this layer is subjected to a controlled oxidation so as to over-oxidize a portion of the surface of said layer to a fraction of its thickness.12-17-2009
20090308441Silicon Nanoparticle Photovoltaic Devices - A photovoltaic device for converting light into electrical power includes a film (12-17-2009
20090293951DYE FOR DYE-SENSITIZED SOLAR CELL AND DYE-SENSITIZED SOLAR CELL INCLUDING THE SAME - A dye for a dye-sensitized solar cell according to embodiments of the present invention includes a compound having a silane group. The dye according to embodiments of the present invention may be used in a light absorption layer to improve photovoltaic efficiency and increase open-circuit voltage.12-03-2009
20090293949Methods For Crosslinking Nanoparticles And Coated Substrates Made According To The Methods - Methods for crosslinking nanoparticles and coated substrates made according to the methods are described. The crosslinked nanoparticles on substrates can be used in electrochromic devices and/or photovoltaic devices.12-03-2009
20100180938COATING COMPOSITION FOR PROTECTION COVER OF SOLAR CELL - There is provided a protection cover of solar cell having processability at room temperature, solvent resistance, weather resistance and durability without impairing its transparency, and also a curable fluorine-containing coating composition being capable of forming the protection cover. The curable fluorine-containing coating composition for a protection cover of solar cell comprises (A) a curable fluorine-containing resin, (B) a curing agent and (C) a solvent and is used for forming a top coat layer (III) of a cured article comprising the fluorine-containing resin, in which the top coat layer is provided, directly or via a primer layer (IV), on a transparent resin layer (II) provided on the sunlight irradiation side of a solar cell module (I).07-22-2010
20110259416ENVIRONMENTAL BARRIER PROTECTION FOR DEVICES - Embodiments of the invention provide an article comprising a photovoltaic device structure and a barrier layer comprising mica on the photovoltaic device structure. The barrier layer is flexible and light transmissive.10-27-2011
20110259411PACKAGING STRUCTURE AND PROCESS OF SOLAR CELL - A packaging structure and process of solar cell is disclosed. The packaging structure of solar cell comprises two conductive films and two surface electrodes disposed on a photovoltaic cell (PV cell), wherein two conductive films are respectively electrically coupled with the surface electrodes via a plurality of solder balls.10-27-2011
20110259413Hazy Zinc Oxide Film for Shaped CIGS/CIS Solar Cells - A method for fabricating a shaped thin film photovoltaic device includes providing a length of tubular glass substrate having an inner diameter, an outer diameter, a circumferential outer surface region covered by an absorber layer and a window buffer layer overlying the absorber layer. The substrate is placed in a vacuum of between about 0.1 Torr to about 0.02 Torr and a mixture of reactant species derived from diethylzinc species, water species, and a carrier gas are introduced, as well as a diborane species. The substrate is heated to form a zinc oxide film with a thickness of 0.75-3 μm, a haziness of at least 5%, and an electrical resistivity of less than about 2.5 milliohm-cm.10-27-2011
20110259412METHOD FOR MANUFACTURING FLEXIBLE ORGANIC THIN FILM SOLAR CELL BY ION BEAM TREATMENT AND SOLAR CELL MANUFACTURED BY THE SAME - The present invention provides a method for an organic thin film solar cell and an organic thin film solar cell manufactured by the same, which can reduce manufacturing cost by simplifying manufacturing process, ensure long-lasting durability and stability, and improve energy conversion efficiency of the solar cell.10-27-2011
20110203659CONDUCTIVE COMPOSITIONS AND PROCESSES FOR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention is directed to a thick film conductive composition comprising: (a) electrically conductive silver powder; (b) zinc-containing additive; (c) glass frit wherein said glass frit is lead-free; dispersed in (d) organic medium. The present invention is further directed to an electrode formed from the composition above wherein said composition has been fired to remove the organic vehicle and sinter said glass particles. Still further, the invention is directed to a method of manufacturing a semiconductor device from a structural element composed of a semiconductor having a p-n junction and an insulating film formed on a main surface of the semiconductor comprising the steps of (a) applying onto said insulating film the thick film composition detailed above; and (b) firing said semiconductor, insulating film and thick film composition to form an electrode. Additionally, the present invention is directed to a semiconductor device formed by the method detailed above and a semiconductor device formed from the thick film conductive composition detailed above.08-25-2011
20100024881Interconnect Technologies for Back Contact Solar Cells and Modules - Methods and systems for interconnecting back contact solar cells. The solar cells preferably have reduced area busbars, or are entirely busbarless, and current is extracted from a variety of points on the interior of the cell surface. The interconnects preferably relieve stresses due to solder reflow and other thermal effects. The interconnects may be stamped and include external or internal structures which are bonded to the solder pads on the solar cell. These structures are designed to minimize thermal stresses between the interconnect and the solar cell. The interconnect may alternatively comprise porous metals such as wire mesh, wire cloth, or expanded metal, or corrugated or fingered strips. The interconnects are preferably electrically isolated from the solar cell by an insulator which is deposited on the cell, placed on the cell as a discrete layer, or laminated directly to desired areas of the interconnect.02-04-2010
20100024880SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a solar cell. The solar cell includes a substrate of a first conductive type, an emitter layer of a second conductive type opposite the first conductive type on the substrate, first and second anti-reflection layers that are sequentially positioned on the emitter layer, a first electrode electrically connected to the emitter layer, first to third passivation layers that are sequentially positioned on the substrate, each of the first to third passivation layers including a plurality of exposed portions, and a plurality of second electrodes electrically connected to portions of the substrate exposed by the plurality of exposed portions.02-04-2010
20100024879TITANIA NANOTUBES PREPARED BY ANODIZATION IN CHLORIDE-CONTAINING ELECTROLYTES - A method of preparing titania nanotubes involves anodization of titanium in the presence of chloride ions and at low pH (1-7) in the absence of fluoride. The method leads to rapid production of titania nanotubes of about 25 nm diameter and high aspect ratio. The nanotubes can be organized into bundles and tightly packed parallel arrays. Inclusion of organic acids in the electrolyte solution leads to the incorporation into the nanotubes of up to 50 atom percent of carbon. In a two-stage method, a titanium anode is pre-patterned using a fluoride ion containing electrolyte and subsequently anodized in a chloride ion containing electrolyte to provide more evenly distributed nanotube arrays. The titania nanotubes have uses in composite materials, solar cells, hydrogen production, and as hydrogen sensors.02-04-2010
20100024878PHOTOELECTRIC CONVERSION DEVICE AND METHOD OF PRODUCING THE SAME - A photoelectric conversion device which can improve photoelectric conversion efficiency is provided.02-04-2010
20100024877METHOD OF PREPARING A POROUS SEMICONDUCTOR FILM ON A SUBSTRATE - A method of preparing a porous semiconductor film on a substrate comprising the steps: a) preparing, on a first substrate, an adhesion layer capable of providing electrical and mechanical contact between a porous semiconductor layer attached to said adhesion layer and said first substrate, b) applying on a second substrate that is capable of withstanding temperatures >=300° C. a spacer layer and applying a porous semiconductor layer on said spacer layer, c) applying an assisting layer on said porous semiconductor layer, said assisting layer providing support for said porous semiconductor layer, d) removing said spacer layer e) transferring said porous semiconductor layer supported by said assisting layer onto said ashesion layer, f) pressing said porous semiconductor layer onto said adhesion layer, g) removing said assisting layer from said porous semiconductor layer, thereby obtaining said first substrate having as a porous semiconductor film said porous semiconductor layer attached thereon by way of said adhesion layer.02-04-2010
20100024875DYE-SENSITIZED SOLAR CELL MODULE AND METHOD OF MANUFACTURING THE SAME (AS AMENDED) - A dye-sensitized solar cell module which is characterized by providing a pair of opposed substrates 02-04-2010
20100024874Titania coating and method of making same - Methods of making titania coatings having self-cleaning properties, and associated articles are provided. In certain example instances, a substrate supports a layer comprising titanium dioxide. The substrate may support multiple layers. After curing using ultraviolet radiation and/or electron beams, the resulting coating may inhibit fouling.02-04-2010
20100018577SOLAR CELL AND MANUFACTURING METHOD THEREOF - Provided is a solar-cell manufacturing method that is capable of preventing a conductive paste from bleeding and spreading on a photoelectric conversion body. In the provided method of manufacturing a solar cell, a first printing speed at which a first conductive material is printed is faster than a second printing speed at which a second conductive material is printed on the first conductive material.01-28-2010
20080264483AMORPHOUS SILICON PHOTOVOLTAIC CELLS HAVING IMPROVED LIGHT TRAPPING AND ELECTRICITY-GENERATING METHOD - An amorphous silicon photovoltaic cell exhibiting improved light trapping, and a method for generating electricity from sunlight therewith. The cell comprises a plurality of layers, including a transparent superstrate; a specular, first transparent conductor positioned below the transparent superstrate; at least one p-i-n structure having an active layer positioned below the first transparent conductor; a second transparent conductor positioned below the p-i-n structure; and a layer of transparent material positioned below the second transparent conductor. The layer of transparent material may be textured amorphous silicon having a relatively high dielectric constant. The cell may further include a back coating positioned below the layer of transparent material, and a back reflector positioned below the back coating layer.10-30-2008
20100163101Thick Film Conductor Formulations Comprising Silver And Nickel Or Silver And Nickel Alloys And Solar Cells Made Therefrom - Formulations and methods of making solar cells and solar cell contacts are disclosed. In general, the invention presents a solar cell contact made from a mixture wherein the mixture comprises a metal portion, which, prior to firing, comprises nickel and silver.07-01-2010
20120145238DYE SENSITISED SOLAR CELL - The present invention pertains to an electrode layer comprising a porous film made of oxide semiconductor fine particles sensitized with certain methin dyes. Moreover the present invention pertains to a photoelectric conversion device comprising said electrode layer, a dye sensitized solar cell comprising said photoelectric conversion device and to novel methin dyes.06-14-2012
20120145237ELECTRICALLY CONDUCTIVE PASTE, ELECTRODE FOR SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING SEMICONDUCTOR DEVICE - Disclosed are an electrically conductive paste (06-14-2012
20120145234GRAPHENE ELECTRODES FOR SOLAR CELLS - Electrodes for dye-sensitized solar cells comprising graphene sheets and at least one binder. The electrodes may be conductive and catalytic counter electrodes. The electrodes may be flexible.06-14-2012
20120145236UV-STABILIZED PHOTOVOLTAIC MODULE - A photovoltaic module comprising the components: (1) a photovoltaic semiconductor and (2) one or more layers containing (A) independently of one another a synthetic polymer and (B) a mixture containing two or more different compounds selected from the group consisting of the compounds of the formulae (B-I) and (B-II); wherein E06-14-2012
20120145232SOLAR CELL HAVING IMPROVED REAR CONTACT - Provided is a solar cell including: a semiconductive base layer having a first conductivity type; a semiconductive emitter layer disposed on top of the base layer and having a second conductivity type opposite to the first conductivity type; a front electrode disposed on top of the emitter layer; a passivation layer disposed under the base layer and including a contact hole exposing the base layer; and a rear electrode disposed under the passivation layer and connected with the base layer through the contact hole, wherein the rear electrode comprises a silicon (Si)-aluminum (Al) eutectic alloy powder.06-14-2012
20120097234Using Diffusion Barrier Layer for CuZnSn(S,Se) Thin Film Solar Cell - Techniques for fabricating thin film solar cells, such as CuZnSn(S,Se) (CZTSSe) solar cells are provided. In one aspect, a method of fabricating a solar cell is provided that includes the following steps. A substrate is provided. The substrate is coated with a molybdenum (Mo) layer. A stress-relief layer is deposited on the Mo layer. The stress-relief layer is coated with a diffusion barrier. Absorber layer constituent components are deposited on the diffusion barrier, wherein the constituent components comprise one or more of sulfur (S) and selenium (Se). The constituent components are annealed to form an absorber layer, wherein the stress-relief layer relieves thermal stress imposed on the absorber layer, and wherein the diffusion barrier blocks diffusion of the one or more of S and Se into the Mo layer. A buffer layer is formed on the absorber layer. A transparent conductive electrode is formed on the buffer layer.04-26-2012
20090078312VERFAHREN ZUR HERSTELLUNG VON MIT RYLENTETRACARBONSAEUREDIIMIDEN BESCHICHTETEN SUBSTRATEN - The present invention relates to a process for producing a substrate coated with rylenetetracarboximides, in which a substrate is treated with an N,N′-bisubstituted rylenetetracarboximide and the treated substrate is heated to a temperature at which the N,N′-bisubstituted rylenetetracarboximide is converted to the corresponding N,N′-unsubstituted compound. The present invention further relates to semiconductor units, organic solar cells, excitonic solar cells and organic light-emitting diodes which comprise a substrate produced by this process. The present invention further relates to a process for preparing N,N′-unsubstituted rylenetetracarboximides, in which the corresponding N,N′-bisubstituted rylenetetracarboximides are provided and heated to a temperature at which these compounds are converted to the corresponding N,N′-unsubstituted compounds.03-26-2009
20090114279SOLAR CELL SHEET AND A METHOD FOR THE PREPARATION OF THE SAME - The present invention discloses a solar cell sheet, comprising a back sheet, a plastic front sheet and a solar cell circuit between the back sheet and the plastic front sheet, wherein the plastic front sheet possesses a first light receiving surface and a second surface adjacent to the solar cell circuit, wherein the second surface possesses a surface texture capable of improving light trapping property. It also discloses a method for the preparation of the same.05-07-2009
20110067754Substrate structures for integrated series connected photovoltaic arrays and process of manufacture of such arrays - This invention comprises manufacture of photovoltaic cells by deposition of thin film photovoltaic junctions on metal foil substrates. The photovoltaic junctions may be heat treated if appropriate following deposition in a continuous fashion without deterioration of the metal support structure. In a separate operation, an interconnection substrate structure is provided, optionally in a continuous fashion. Multiple photovoltaic cells are then laminated to the interconnection substrate structure and conductive joining methods are employed to complete the array. In this way the interconnection substrate structure can be uniquely formulated from polymer-based materials employing optimal processing unique to polymeric materials. Furthermore, the photovoltaic junction and its metal foil support can be produced in bulk without the need to use the expensive and intricate material removal operations currently taught in the art to achieve series interconnections.03-24-2011
20100175748NANOWIRE MULTIJUNCTION SOLAR CELL - A solar cell includes a substrate layer and a plurality of nanowires grown outwardly from the substrate layer, at least two of the nanowires including a plurality of sub-cells. The solar cell also includes one or more light guiding layers formed of a transparent, light scattering material and filling the area between the plurality of nanowires.07-15-2010
20090078313SUBSTRATE PREPARATION FOR THIN FILM SOLAR CELL MANUFACTURING - A thin film solar cell including a Group IBIIIAVIA absorber layer on a defect free base including a stainless steel substrate is provided. The stainless steel substrate of the base is surface treated to reduce the surface roughness such as protrusions that cause shunts. In one embodiment, the surface roughness is reduced by coating surface with a thin silicon dioxide which fills the cavities and recesses around the protrusions and thereby reducing the surface roughness. After the silicon dioxide film is formed, a contact layer is formed over the ruthenium layer and the exposed portions of the substrate to complete the base.03-26-2009
20090217978Low iron transmission float glass for solar cell applications and method of making same - Certain example embodiments of this invention relate to a high transmission low iron glass, which is highly oxidized and made using the float process, for use in photovoltaic devices such as solar cells or the like. In certain example embodiments, the glass composition used for the glass is made via the float process using an extremely high and positive batch redox in order to reduce % FeO to a low level and permit the glass to consistently realize a combination of high visible transmission (Lta or T09-03-2009
20100294355SOLAR CELL DEVICE COMPRISING A CONSOLIDATED CORE/SHELL POLYMER-QUANTUM DOT COMPOSITE AND METHOD OF THE PREPARATION THEREOF - A high-efficiency solar cell device of the present invention comprising an active layer composed of a p-i-n form polymer-quantum dot composite having a consolidated core/shell structure which is formed by heating a coating layer of a solution of an organic-inorganic mixture of a p-type organic polymer, an n-type organic compound, and a semiconductor quantum dot dissolved in an organic solvent is capable of overcoming the shortcoming of the conventional solar cell devices having a multi-layered thin film structure.11-25-2010
20120037221CONDUCTIVE PASTE AND ELECTRONIC DEVICE AND SOLAR CELL INCLUDING AN ELECTRODE FORMED USING THE CONDUCTIVE PASTE - A conductive paste including a conductive powder, a metallic glass, and an organic vehicle, wherein the metallic glass includes an alloy of at least two elements selected from an element having a low resistivity, an element which forms a solid solution with the conductive powder, or an element having a high oxidation potential, wherein the element having a low resistivity has a resistivity of less than about 100 microohm-centimeters, and the element having a high oxidation potential has an absolute value of a Gibbs free energy of oxide formation of about 100 kiloJoules per mole or greater.02-16-2012
20120037226SEMICONDUCTOR SUBSTRATE - A semiconductor substrate includes a substrate, at least a semiconductor layer, a first anti-reflection layer, and a second anti-reflection layer. The semiconductor layer is disposed on the substrate. The first anti-reflection layer is disposed on the semiconductor layer. The second anti-reflection layer is disposed on the first anti-reflection layer. The second anti-reflection layer is a discontinuous layer with the capability of photon conversion.02-16-2012
20120037223BINDER RESIN FOR CONDUCTIVE PASTE, CONDUCTIVE PASTE, AND SOLAR CELL ELEMENT - An object of the present invention is to provide a binder resin for a conductive paste, which can be used to obtain a conductive paste having a high conductive powder dispersibility, an ability to form high-aspect-ratio lines, and a low residual carbon content after firing. Further objects of the invention are to provide a conductive paste and a solar cell element produced using such a binder resin for a conductive paste.02-16-2012
20100186812PHOTOVOLTAIC DEVICES INCLUDING COPPER INDIUM GALLIUM SELENIDE - A copper indium gallium selenide photovoltaic cell can include a substrate having a transparent conductive oxide layer. The copper indium gallium selenide can be deposited using sputtering and vapor transport deposition.07-29-2010
20080295885Thick Crystalline Silicon Film On Large Substrates for Solar Applications - An apparatus for converting sunlight to electricity comprises a sheet of soda lime glass having a softening point not exceeding 600° C. and a layer of crystalline silicon over said sheet of soda lime glass. The layer has a thickness not less than about 5 microns and grains with grain size not less than about 100 microns. A method for making a device for converting sunlight to electricity comprises forming a film on a soda lime glass substrate, dispersing silicon powder onto the film and pressing a surface onto the silicon powder to form a layer of silicon powder on said film. The substrate and film are heated from below to a temperature so that the soda lime glass substrate softens. While the substrate is in a softened state, the silicon powder layer is heated by scanning a line focus laser beam or an elongated heater strip over a spatial sequence of adjacent elongated zones of the silicon powder consecutively so that the silicon powder in each of the zones melts and recrystallizes consecutively to form a layer of crystalline silicon with a thickness in the range of 5 to 100 micron over said film. Preferably the laser beam or heater strip scans and heats a triangular area of the layer of silicon powder, where the area has an apex leading said scan area during scanning.12-04-2008
20100032011BACK CONTACTED SOLAR CELL - This invention relates to a cost effective method of producing a back contacted silicon solar cell and the cell made by the method, where the method comprises applying a silicon substrate, wafer or thin film, doped on the back side with alternating P-type and N-type conductivity in an interdigitated pattern and optionally a layer of either P- or N-type on the front side of the wafer, depositing one or more surface passivation layers on both sides of the substrate, creating openings in the surface passivation layers on the back side of the substrate, depositing a metallic layer covering the entire back side and which fills the openings in the surface passivation layers, and creating openings in the deposited metallic layer such that electric insulated contacts with the doped regions on the back side of the substrate is obtained.02-11-2010
20120037219SOLAR CELL - A solar cell and a method for manufacturing the same are discussed. The solar cell includes a substrate of a first conductive type, an emitter layer of a second conductive type opposite the first conductive type, a plurality of first electrodes each including a first electrode layer connected to the emitter layer and a second electrode layer positioned on the first electrode layer, at least one first current collector connected to the plurality of first electrodes, and a second electrode connected to the substrate. The emitter layer forms a p-n junction along with the substrate. The first electrode layer has a first width and the second electrode layer has a second width less than the first width of the first electrode layer.02-16-2012
20100096008SEMITRANSPARENT CRYSTALLINE SILICON THIN FILM SOLAR CELL - Provided is a semitransparent crystalline silicon thin film solar cell using a crystalline silicon thin film, including a transparent substrate, an antireflection layer, first transparent electrodes, electricity generation regions, second transparent electrodes, insulating layers. The electricity generation regions include crystalline silicon thin films. Accordingly, the semitransparent crystalline silicon thin film solar cell has a simpler manufacturing process as compared with a semitransparent thin film solar cell using a conventional amorphous thin film and can control transmittance by controlling a thickness of the crystalline thin film without additional apparatuses.04-22-2010
20100051096SILICON CARBONITRIDE ANTIREFLECTIVE COATING - An antireflective coating for silicon-based solar cells comprising amorphous silicon carbonitride, wherein the amount of carbon in the silicon carbonitride is from 5 to 25%, a solar cell comprising the antireflective coating, and a method of preparing the antireflective coating.03-04-2010
20120037220CONDUCTIVE PASTE AND ELECTRONIC DEVICE AND SOLAR CELL INCLUDING AN ELECTRODE FORMED USING THE CONDUCTIVE PASTE - A conductive paste including a conductive powder, a metallic glass, and an organic vehicle, wherein the metallic glass has a resistivity that is decreased when the metallic glass is heat treated at a temperature that is higher than a glass transition temperature of the metallic glass.02-16-2012
20090025783Optical filter - The present invention provides an optical filter including a substrate having a plurality of layers of materials stacked upon it each of which layers is formed from one or both of: a first material having a first index of refraction; and, a second material having a second index of refraction being less than the first index of refraction; wherein the plurality of layers of materials include a first layer and a second layer each formed from an inhomogeneous mixture of said first material and said second material; and a third layer formed from the first material being stacked in between the first layer and the second layer; wherein the optical thickness of each of said first and said second layers is greater than the optical thickness of said third layer.01-29-2009
20110132450Back Contact Deposition Using Water-Doped Gas Mixtures - A method of manufacturing a photovoltaic module may include depositing a semiconductor material adjacent to a substrate; and depositing a back contact material adjacent to the semiconductor material, where depositing the back contact material may include directing a feed gas including hydrogen toward the substrate.06-09-2011
20110132449MULTILAYER FILM FOR ENCAPSULATING OXYGEN AND/OR MOISTURE SENSITIVE ELECTRONIC DEVICES - The present invention refers to a multilayer barrier film capable of encapsulating a moisture and/or oxygen sensitive electronic or optoelectronic device, the barrier film comprises at least one nanostructured layer comprising reactive nanoparticles capable of interacting with moisture and/or oxygen, the reactive nanoparticles being distributed within a polymeric binder, and at least one ultraviolet light neutralizing layer comprising a material capable of absorbing ultraviolet light, thereby limiting the transmission of ultraviolet light through the barrier film06-09-2011
20090173380BENZOINDOLE-BASED COMPOUND AND DYE-SENSITIZED SOLAR CELL USING THE SAME - A benzoindole-based compound represented by Formula 1 below, a dye including the benzoindole-based compound, and a dye-sensitized solar cell including the dye:07-09-2009
20090173383TITANIUM OXIDE-BASED SOL-GEL POLYMER - The invention relates to a titanium oxide-based polymer composition. The inventive composition comprises a TiO07-09-2009
20090173378Charge Separation Polymers - The invention provides a photovoltaic cell comprising a photovoltaic layer comprising a conjugated polymer comprising monomer units of the formula (I) wherein X, A, B, a and b are as defined herein. The invention further provides the use of a conjugated polymer comprising monomer units of formula (I) as a photovoltaic material in a photovoltaic cell.07-09-2009
20090173382SOLAR CELL MODULE - In a solar cell module, multiple photovoltaic elements, a bonding layer 07-09-2009
20090173379SOLAR CELL HAVING IMPROVED ELECTRODE STRUCTURE - A solar cell having an improved electrode structure includes a semiconductor substrate of a first conductive type, a first electrode, an emitter portion of a second conductive type, and a second electrode. The semiconductor substrate has first and second surfaces opposite to each other. The first electrode is electrically connected to the first surface of the semiconductor substrate. The emitter portion is formed adjacent to the second surface of the semiconductor substrate. The second electrode is electrically connected to the emitter portion. The first electrode includes a first electrode portion partially formed on the first surface of the semiconductor substrate and a second electrode portion formed on the first surface of the semiconductor substrate to cover the first electrode portion.07-09-2009
20100300527SUBSTRATE FOR COMPOUND SEMICONDUCTOR SOLAR CELL - [Problem] A substrate for a compound semiconductor solar cell which maintains excellent elasticity even after a high temperature process at the time of forming a thin film is provided.12-02-2010
20110139240PHOTOVOLTAIC WINDOW LAYER - A discontinuous or reduced thickness window layer can improve the efficiency of CdTe-based or other kinds of solar cells.06-16-2011
20110048527SILVER THICK FILM PASTE COMPOSITIONS AND THEIR USE IN CONDUCTORS FOR PHOTOVOLTAIC CELLS - This invention provides a silver thick film paste composition comprising a silver powder comprising silver particles, each said silver particle comprising silver components 100-2000 nm long, 20-100 nm wide and 20-100 nm thick assembled to form a spherically-shaped, open-structured particle, wherein the d03-03-2011
20110000539Self-cleaning protective coatings for use with photovoltaic cells - Systems and materials to improve photovoltaic cell efficiency by implementing a self-cleaning function on photovoltaic cells and on albedo surfaces associated with photovoltaic cell assemblies are provided. Materials for protecting albedo surfaces that surround photovoltaic cell assemblies, thereby maximizing energy input into the photovoltaic cell assemblies, are provided. Materials for self-cleaning photovoltaic cell panels, thereby maintaining their efficiency, are provided. Portable albedo collecting devices associated with photovoltaic cell assemblies are provided.01-06-2011
20110094581GLASS COMPOSITION FOR DYE-SENSITIZED SOLAR CELL AND MATERIAL FOR DYE-SENSITIZED SOLAR CELL - A dye-sensitized solar cell having high long-term reliability is provided by inventing a glass composition, which is hardly eroded by an iodine electrolyte solution and has a low-melting point property, and a material using the glass composition. The glass composition for a dye-sensitized solar cell of the present invention is characterized by including as a glass composition, in terms of mass %, 20 to 70% of V04-28-2011
20090293948METHOD OF MANUFACTURING AN AMORPHOUS/CRYSTALLINE SILICON HETEROJUNCTION SOLAR CELL - A method for manufacturing a solar cell includes 12-03-2009
20100243044PHOTOVOLTAIC CELL STRUCTURE - A photovoltaic cell structure includes a substrate, a metal layer, a p-type semiconductor layer, an n-type semiconductor layer, a transparent conductive layer and a high resistivity layer. The metal layer is formed on the substrate. The p-type semiconductor layer is formed on the metal layer and may include a compound of copper indium gallium selenium sulfur (CIGSS), copper indium gallium selenium (CIGS), copper indium sulfur (CIS), copper indium selenium (CIS) or a compound of at least two of copper, selenium or sulfur. The n-type semiconductor layer exhibits photo catalyst behavior that can increase carrier mobility by receiving light, and is formed on the p-type semiconductor layer, thereby forming a p-n junction. The transparent conductive layer is formed on the n-type semiconductor layer. The high resistivity layer is formed between the metal layer and the transparent conductive layer.09-30-2010
20100326509Doped Diamond Solar Cell - Implementations and techniques for doped diamond solar cells are generally disclosed.12-30-2010
20100212737DYE INCLUDING AN ANCHORING GROUP IN ITS MOLECULAR STRUCTURE - A dye including an anchoring group in its molecular structure, said anchoring group allowing a covalent coupling of said dye to a surface, for example a surface of a nanoporous semiconductor layer, said anchoring group being represented by formula 1 wherein attachment of said anchoring group within said molecular structure of said dye is at the terminal carbon marked with an asterisk in above formula, wherein G is selected from —COOH, —SO3H, —PO3H2, —BO2H2, —SH, —OH, —NH2, preferably —COOH, wherein A is selected from the group comprising H, —CN, —NO2, —COOR, —COSR, —COR, —CSR, —NCS, —CF3, —CONR2-OCF3, C6H5-mFm, wherein m=1-5, R being H or any straight or branched alkyl chain of general formula —CnH208-26-2010
20120031485GAS BARRIER FILM AND ELECTRONIC DEVICE - Disclosed is a gas barrier film, which demonstrates superior gas barrier properties and surface smoothness, demonstrates a high degree of adhesion between layers and is resistant to cracking when bent, and an electronic device provided therewith. A gas barrier film of the present invention has a base, and a polyorganosiloxane layer and an inorganic material layer sequentially provided on at least one side of the base, and the inorganic material layer is deposited by dynamic ion mixing method.02-09-2012
20120031483DYE-SENSITIZED SOLAR CELL AND PROCESS FOR PRODUCTION THEREOF - A photoelectric conversion element including a dye-sensitized solar cell is provided. The photoelectric conversion element may include an electrode having a titanium oxide layer containing spindle-shaped particles of titanium oxide of anatase type. A process for manufacturing the photoelectric conversion device is also provided. The process may include steps of providing a transparent conductive layer, forming a titanium oxide layer containing particles of peroxo-modified titanium oxide of anatase type adjacent to the transparent conductive layer, and baking the titanium oxide layer. Forming the titanium oxide layer may include forming a porous titanium oxide layer and dipping the porous titanium oxide layer in a dispersion containing particles of peroxo-modified titanium oxide of anatase type to the porous titanium oxide layer. Alternatively, forming the titanium oxide layer may include applying a titanium oxide paste containing particles of peroxo-modified titanium oxide of anatase type to the transparent conductive layer.02-09-2012
20120031479THIN FILM SOLAR FABRICATION PROCESS, DEPOSITION METHOD FOR TCO LAYER, AND SOLAR CELL PRECURSOR LAYER STACK - Methods and devices for manufacturing a TCO layer of a thin film solar cell over a transparent substrate are described. Thereby, a first ZnO-containing layer is puttered with a sputtering method selected from the group consisting of: DC-sputtering, MF-sputtering, pulsed-sputtering, and combinations thereof, over the substrate with a first set of deposition parameters, a second ZnO-containing layer is puttered with a sputtering method selected from the group consisting of: DC-sputtering, MF-sputtering, pulsed-sputtering, and combinations thereof, over the first ZnO-containing layer with a second set of deposition parameters, at least one of the deposition parameters of the second set of deposition parameters is different from the corresponding parameter of the first set of deposition parameters; and the second ZnO-containing layer is textured.02-09-2012
20110114172POLYBUTYLENE TEREPHTHALATE RESIN MIXTURE AND FILM - The present invention provides a polybutylene terephthalate resin material which exhibits less deterioration of polymer, decreases the number of fisheyes, has excellent resistance to hydrolysis, thus being suitably used as films, especially as the back sheet film for solar cell module. Specifically, the material is a polybutylene terephthalate resin mixture for film production, obtained by mixing (A) polybutylene terephthalate resin, having an amount of carboxyl terminal group of 20 meq/kg or less and an intrinsic viscosity of 0.9 dL/g or more, with (B) a carbodiimide compound in any form of powder, granule and masterbatch.05-19-2011
20110114171SOLAR CELL INCLUDING SPUTTERED REFLECTIVE LAYER - Solar cells and methods for their manufacture are disclosed. An exemplary method may include providing a semiconductor substrate and introducing dopant atoms to a front surface of the substrate. The substrate may be annealed to drive the dopant atoms deeper in the substrate to produce a p-n junction while also forming front and back passivation layers. A reflective surface is sputtered on the back surface of the solar cell. It protects and generates hydrogen to passivate one or more substrate-passivation layer interfaces at the same time as forming an anti-reflective layer on the front surface of the substrate. Fire-through of front and back contacts as well as metallization with contact connections may be performed in a single co-firing operation. Associated solar cells are also provided.05-19-2011
20110114170CONDUCTIVE PASTE AND SOLAR CELL - Disclosed is a conductive paste including; a conductive powder including a plurality of conductive particles, a metallic glass disposed between adjacent conductive particles of the conductive powder, and an organic vehicle in which the conductive powder and metallic glass are disposed, and a solar cell using the conductive paste.05-19-2011
20110114165Photoelectric conversion device - A photoelectric conversion device including a light receiving substrate on which an optical electrode is formed, a counter substrate facing the light receiving substrate, and a semiconductor layer formed on the optical electrode. A counter electrode is formed on the counter substrate. Photosensitive dyes, which is excited by visible light, adhere to the semiconductor layer, and an electrolyte layer is disposed between the semiconductor layer and the counter electrode. Each of the light receiving substrate and the counter substrate includes chamfered units at corners of external surfaces thereof.05-19-2011
20110114169DYE SENSITIZED SOLAR CELLS AND METHODS OF MAKING - Dye sensitized solar cells having conductive metal oxide layers with nano-whiskers and methods of making the dye sensitized solar cells having conductive metal oxide layers with nano-whiskers are described. The method for making a dye sensitized solar cell comprises providing a conductive metal oxide layer comprising nano-whiskers, applying a porous semi-conducting layer on the conductive metal oxide layer, applying a dye to at least a portion of the porous semi-conducting layer, and applying an electrolyte adjacent to at least a portion of the dye.05-19-2011
20110114168Method for the Selective Doping of Silicon and Silicon Substrate Treated Therewith - A method for the selective doping of silicon of a silicon substrate (05-19-2011
20090308446BACKSIDE ELECTRODE LAYER AND FABRICATING METHOD THEREOF - A backside electrode layer and a fabricating method thereof are applicable for fabricating a solar cell. The backside electrode layer includes a first electrode layer and a second electrode layer. The first electrode layer is formed on a substrate and has a thickness smaller than 15 μm. The second electrode layer having patterns is formed on the first electrode layer. The first and second electrode layers are fabricated by a cofiring process. As the thickness of the first electrode layer is decreased and the second electrode layer is not a full coverage layer, the material usage of each electrode layer is reduced and the fabrication cost thereof is leveled down. Besides, a thinner electrode layer may avoid warp after the cofiring process.12-17-2009
20080295884Method of making a photovoltaic device or front substrate with barrier layer for use in same and resulting product - A method of making a photovoltaic device including an antireflective coating, including: forming a coating solution by mixing a mono-metal oxide, a bi-metal oxide, a silane, or a siloxane with a solvent, such that the coating solution may be used as a barrier between the antireflective coating and a glass substrate that inhibits sodium ion migration in the glass substrate after exposure to environmental factors including humidity and temperature. A photovoltaic device including a photovoltaic film, a glass substrate, and a barrier layer provided on the glass substrate; an anti-reflection coating provided on the glass substrate and on the barrier layer; wherein the barrier layer comprises one or more of the following: a mono-metal oxide, a bi-metal oxide, a silane, or a siloxane.12-04-2008
20090235981BORON NITRIDE ANTI-REFLECTION COATINGS AND METHODS - High performance photovoltaic devices are provided. Certain embodiments relate to the use of Boron-Nitride (BN) thin films as anti-reflection coating (ARC) material on Si and GaAs solar cells. A low and wide reflectance window covering a large energy range of the solar spectrum is available. For a large part of the useful solar spectrum, the index of refraction of the grown BN thin films remains constant at about 2.8. In another embodiment, a BN ARC is applied directly on ordinary window glass providing the device's mechanical strength.09-24-2009
20100193024PHOTOVOLTAIC MODULES COMPRISING PLASTICIZED FILMS HAVING A LOW MOISTURE ABSORPTION - Plasticizer-containing films based on polyvinyl acetals having a polyvinyl alcohol content of less than 20% by weight for the production of photovoltaic modules exhibit less water absorption at the edges of the modules. The films preferably have a glass transition temperature Tg of at least 20° C. and/or a plasticizer content of a maximum of 26% by weight.08-05-2010
20120145235DYE-SENSITIZED SOLAR CELL, DYE-SENSITIZED SOLAR CELL MODULE, AND COATING LIQUID FOR FORMING ELECTROLYTE LAYER - An object of the present invention is to provide a dye-sensitized solar cell having a solid electrolyte layer and improved durability or photoelectric conversion efficiency. A dye-sensitized solar cell 06-14-2012
20120037225SOLAR CELL AND METHOD OF FABRICATING THE SAME - Disclosed are a solar cell and a method of fabricating the same. The solar cell includes a substrate, a rear electrode layer provided on the substrate, a light absorbing layer provided on the rear electrode layer, and a front electrode layer provided on the light absorbing layer, wherein the front electrode layer includes, a first conductive layer provided on the light absorbing layer, and a second conductive layer provided on the first conductive layer.02-16-2012
20120037224SOLAR BATTERY CELL AND METHOD OF MANUFACTURING THE SAME - A solar battery cell including: a semiconductor substrate; front-surface asperities formed on the principal surface on a light-receiving side of the semiconductor substrate; a semiconductor layer having a conductive type and formed along the front-surface asperities; and an anti-reflection film formed on the light-receiving side of the semiconductor layer, a passivation film is formed on the principal surface on the back-surface side of the semiconductor substrate, and at least one opening is provided in the passivation film. A first back-surface electrode is formed on the passivation film so as to overlap the entire area occupied by the opening and to cover the opening, and a second back-surface electrode is formed on the passivation film so as to overlap the entire area occupied by the first back-surface electrode and to cover the first back-surface electrode.02-16-2012
20120037222Smart Photovoltaic Assembly and Photovoltaic System - A smart photovoltaic assembly and a photovoltaic system are provided. The smart photovoltaic assembly comprises a photovoltaic assembly main body, an installation plate disposed on a back surface of the photovoltaic assembly main body, and a current leading terminal connector provided on the installation plate for leading an electric current line from the photovoltaic assembly main body, wherein the current leading terminal connector has a first connector interface adapted for connecting with a second connector interface of a complementary electronic device. The current leading terminal connector is in electrical connection with the complementary electronic device by mutual connection of the first connector interface and the second connector interface. The photovoltaic system comprises the above mentioned smart photovoltaic assembly, wherein the electronic device may be a diode module, an electric voltage converting device, a monitor or other types of electronic devices according to the need of a user.02-16-2012
20120037218Electrode for photoelectric conversion device, method of preparing the same and photoelectric conversion device comprising the same - An electrode for a photoelectric conversion device, a method of preparing the same and a photoelectric conversion device including the same. In one embodiment, an electrode for a photoelectric conversion device includes a transparent conductive layer, a metal electrode layer and an intermediate electrode layer. The transparent conductive layer is formed on a substrate. The metal electrode layer is disposed on the transparent conductive layer to have a pattern. The intermediate electrode layer is interposed between the transparent conductive layer and the metal electrode layer to join the transparent conductive layer and the metal electrode layer. Accordingly, the photoelectric conversion device is enhanced.02-16-2012
20120305074PHOTOELECTRIC CONVERSION ELEMENT AND DYE FOR PHOTOELECTRIC CONVERSION ELEMENT - A photoelectric conversion element includes a working electrode having a dye-supported metal oxide electrode in which a dye is supported on a metal oxide layer, a compound having a structure represented by the following general formula (1): is used as the dye.12-06-2012
20120305071SUBSTRATE HAVING A METAL FILM FOR PRODUCING PHOTOVOLTAIC CELLS - The invention relates to a substrate (12-06-2012
20120305069PHOTOELECTRODE INCLUDING ZINC OXIDE HEMISPHERE, METHOD OF FABRICATING THE SAME AND DYE-SENSITIZED SOLAR CELL USING THE SAME - Provided are a photoelectrode including a zinc oxide hemisphere, a method of fabricating the same, and a dye-sensitized solar cell using the same. The photoelectrode includes a conductive substrate, a zinc oxide hemisphere disposed on the conductive substrate, and a porous metal oxide layer covering the zinc oxide hemisphere. Light scattering effects of photoelectrodes can be increased, and recombination losses of electrons can be minimized to improve photovoltaic properties.12-06-2012
20120305065SOLDERABLE POLYMER THICK FILM CONDUCTIVE ELECTRODE COMPOSITION FOR USE IN THIN-FILM PHOTOVOLTAIC CELLS AND OTHER APPLICATIONS - The invention is directed to a polymer thick film conductive composition comprising (a) a conductive silver-coated copper powder; and (b) an organic medium comprising two different resins and organic solvent, wherein the ratio of the weight of the conductive silver-coated copper powder to the total weight of the two different resins is between 5:1 and 45:1.12-06-2012
20120305067METHOD OF MANUFACTURING PHOTOELECTRODE STRUCTURE AND THE RESULTING PHOTOELECTRODE STRUCTURE - A method of forming a photoelectrode structure includes: disposing a light-scattering layer including a nanowire on a photoanode substrate; and coating the light-scattering layer with an inorganic binder solution to fix the light-scattering layer on the photoanode substrate. Due to the structure of the photoelectrode structure, the adhesive force between the light-scattering layer and the photoanode substrate is enhanced and the photocurrent density is increased.12-06-2012
20120305070CYLOMETALATED DYE COMPLEXES AND THEIR USE IN DYE-SENSITIZED SOLAR CELLS - The present invention provides a modular approach to preparing a large array of substituted cyclometalated compounds which behave as dyes having intense absorbance bands in the visible spectrum. The compounds include at least one terpyridine-type ligand (tpy) and one cyclometalated tridentate ligand having the bonding motif N,C,N′ or C,N, N′. In particular, compounds of formula (I) and formula (II), as shown, where M and R12-06-2012
20120305063HIGH-EFFICIENCY PHOTOVOLTAIC BACK-CONTACT SOLAR CELL STRUCTURES AND MANUFACTURING METHODS USING THIN PLANAR SEMICONDUCTOR ABSORBERS - Back contact back junction solar cell and methods for manufacturing are provided. The back contact back junction solar cell comprises a substrate having a light capturing frontside surface with a passivation layer, a doped base region, and a doped backside emitter region with a polarity opposite the doped base region. A backside passivation layer and patterned reflective layer on the emitter form a light trapping backside mirror. An interdigitated metallization pattern is positioned on the backside of the solar cell and a permanent reinforcement provides support to the cell.12-06-2012
20120305064PHOTOVOLTAIC DEVICES AND METHOD OF MAKING - In one aspect of the present invention, a photovoltaic device is provided. The photovoltaic device includes a window layer and an absorber layer disposed on the window layer, wherein the absorber layer includes a first region and a second region, the first region disposed adjacent to the window layer. The absorber layer further includes a first additive and a second additive, wherein a concentration of the first additive in the first region is greater than a concentration of the first additive in the second region, and wherein a concentration of the second additive in the second region is greater than a concentration of the second additive in the first region. Method of making a photovoltaic device is also provided.12-06-2012
20120305068METHOD FOR FABRICATING PHOTOANODE FOR DYE-SENSITIZED SOLAR CELL - A method for fabricating a photoanode for a dye-sensitized solar cell (DSSC) is provided. The method includes the following steps. A particle colloid is electrospun to form a first electrospun thin film layer on a substrate. The particle colloid includes titanium dioxide nanopartictes, a polymer material, a dispersing agent and a solvent. The first electrospun thin film layer is then sintered to form a main titanium dioxide layer. A photoanode manufactured by the method mentioned above is also provided.12-06-2012
20120305066USE OF METAL PHOSPHORUS IN METALLIZATION OF PHOTOVOLTAIC DEVICES AND METHOD OF FABRICATING SAME - A photovoltaic device, such as a solar cell, including a copper-containing-grid metallization structure that contains a metal phosphorus layer as a diffusion barrier is provided. The copper-containing-grid metallization structure includes, from bottom to top, an electroplated metal phosphorus layer that does not include copper or a copper alloy located within a grid pattern formed on a front side surface of a semiconductor substrate, and an electroplated copper-containing layer. A method of forming such a structure is also provided.12-06-2012
20120305072METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE AND BACK-CONTACT SOLAR CELL - A method is provided for manufacturing a semiconductor device, wherein a p-type region and/or n-type pattern is formed on a surface of a semiconductor substrate, including ejecting at least one of etching paste, masking paste, doping paste, and electrode paste from an ejecting orifice of a nozzle toward the surface of the semiconductor substrate to form beads formed of the paste between the semiconductor substrate and the ejecting orifice and moving the semiconductor substrate relative to the nozzle thereby the paste is applied to the surface of the semiconductor substrate in a stripe shape.12-06-2012
20120305073DYE-SENSITIZED SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - Provided is a dye-sensitized solar cell, and a method for manufacturing the same, that in a technology in which a current collector electrode is used instead of a transparent conductive film, can be manufactured by a simple cell producing operation and is capable of achieving a desirably thin thickness for the current collector electrode. A dye-sensitized solar cell 12-06-2012
20100154879Dye-Sensitized Solar Cell, Photo-Sensitized Anode Electrode Thereof, and Method of Manufacturing the Same - A dye-sensitized solar cell (DSSC), photo-sensitized anode electrode thereof, and method of manufacturing the same are disclosed, which includes the photo-sensitized anode electrode having a titanium dioxide layer coated by a protonized food dye layer that is an environmentally friendly photosensitizer instead of prior dyes. Therefore, the resultant DSSC can be recycled for reducing environmental pollution.06-24-2010
20090025786SOLAR CELL HAVING HIGH QUALITY BACK CONTACT WITH SCREEN-PRINTED LOCAL BACK SURFACE FIELD - A thin silicon solar cell having a back dielectric passivation and rear contact with local back surface field is described. Specifically, the solar cell may be fabricated from a crystalline silicon wafer having a thickness from 50 to 500 micrometers. A barrier layer and a dielectric layer are applied at least to the back surface of the silicon wafer to protect the silicon wafer from deformation when the rear contact is formed. At least one opening is made to the dielectric layer. An aluminum contact that provides a back surface field is formed in the opening and on the dielectric layer. The aluminum contact may be applied by screen printing an aluminum paste having from one to 12 atomic percent silicon and then applying a heat treatment at 750 degrees Celsius.01-29-2009
20100132790Rechargeable Dye Sensitized Solar Cell - A method of using a dye sensitized solar cell includes providing a dye sensitized solar cell having a first electrode having a transparent substrate of a first refractive index, a second electrode having a second transparent substrate of a second refractive index comparable to the first refractive index, and an electrolyte solution in a gap between the first electrode and second electrode. The electrolyte solution is removed from the gap and replaced with an inert fluid having a third refractive index comparable to the first refractive index and the second refractive index to allow light to pass through the cell substantially unrefracted. Alternatively, the inert fluid is in the gap between the first electrode and second electrode, and the inert fluid is removed from the gap and replaced with an electrolyte solution.06-03-2010
20100163105SOLAR CELL PACKAGE TYPE WITH SURFACE MOUNT TECHNOLOGY STRUCTURE - A solar cell package type with surface mount technology structure, comprising: a solar cell having a first electric terminal at the bottom thereof and a second electric terminal at the top thereof; at least a connection electric terminal capped at both sides of the solar cell in such a way that the top of the connection electric terminal is connected to the second electric terminal; and at least an insulation layer capped at both sides and partially placed at the bottom of the solar cell in such a way that it is interposed between the electric terminal and the solar cell for avoiding the short current and the water penetration. In this way, this package in accordance with the invention tends to increase the array density of the solar cells on the substrate and to minimize the manufacturing cost.07-01-2010
20100326513INVERSE OPAL STRUCTURE HAVING DUAL POROSITY, METHOD OF MANUFACTURING THE SAME, DYE-SENSITIZED SOLAR CELL, AND METHOD OF MANUFACTURING THE DYE-SENSITIZED SOLAR CELL - An inverse opal structure having dual porosity, a method of manufacturing the inverse opal structure, a dye-sensitized solar cell, and a method of manufacturing the dye-sensitized solar cell improve the light scattering effects of an included light scattering layer and improve functions of included electrodes. The inverse opal structure includes a plurality of first pores regularly arranged in a photonic crystal structure and a plurality of second pores formed on walls of the first pores in which the second pores have a nano-sized diameter.12-30-2010
20110108105METHOD FOR DEPOSITING A TRANSPARENT CONDUCTIVE OXIDE (TCO) FILM ON A SUBSTRATE AND THIN-FILM SOLAR CELL - A method is provided for depositing a transparent conductive oxide (TCO) layer on a substrate, in which contaminations of the layers of the layer system is reduced through the diffusion of material from the substrate, and whose layer properties in respect to coupling and transmission of light are optimized. For that purpose, a barrier layer, a seed layer and a transparent conductive oxide layer are directly successively deposited on the substrate. Also, a thin-film solar cell is described which comprises such a transparent conductive oxide layer.05-12-2011
20120097243DYE SENSITIZED SOLAR CELL WITH IMPROVED OPTICAL CHARACTERISTICS - The efficiency and the aesthetical properties are enhanced by spatial control of the P1DPC structural properties on the substrate surface area.04-26-2012
20120097242Solar Cell and Method Fabricating the Same - A solar cell according to an embodiment includes a pattern layer arranged on a substrate and including a uneven pattern; a back electrode arranged on the pattern layer; a light absorption layer arranged on the back electrode; a buffer layer on the light absorption layer; and a front layer arranged on the buffer layer.04-26-2012
20120097241SOLAR CELL, SOLAR CELL WITH INTERCONNECTION SHEET ATTACHED AND SOLAR CELL MODULE - Disclosed are a solar cell, a solar cell with interconnection sheet attached, and a solar cell module wherein a surface of an electrode for first conductive type is covered with a migration suppressing layer for preventing a metal forming electrode for first conductive type from precipitating, and at least one of a surface of migration suppressing layer covering electrode for first conductive type and a surface of electrode for second conductive type is covered with an insulating member.04-26-2012
20120097240SOLAR CELL AND METHOD FOR THE PRODUCTION THEREOF - A solar cell, including a silicon substrate (04-26-2012
20120042945SOLAR CELL - A solar cell is discussed. The solar cell includes a substrate having a first conductivity type and made of a crystalline semiconductor; an emitter region having a second conductivity type opposite the first conductivity type, and forming a p-n junction with the substrate; a surface field region having the first conductivity type and being separated from the emitter region; a first electrode connected to the emitter region; and a second electrode connected to the surface field region, wherein at least one of the emitter region and the surface field region includes a plurality of semiconductor portions, and at least one of the plurality of semiconductor portion is a crystalline semiconductor portion.02-23-2012
20110315205LIGHT CONCENTRATOR CUP MODULE - A light concentrator cup module, disposed on a carrying base, said carrying base is provided with a circuit board having a solar energy chip, said light concentrator cup module comprising: a dust-prevention-hood lower cover, disposed on said carrying base and is provided with a first open slot for exposing said circuit board; a dust-prevention-hood upper cover, placed on said dust-prevention-hood lower cover, and is provided with a second open slot corresponding to said solar energy chip; and a light concentrator cup, inserted into said second open slot and corresponds to said solar energy chip. Said light concentrator cup module is capable of guiding sunlight uniformly onto said solar energy chip, thus raising photoelectric conversion efficiency of sunlight.12-29-2011
20110315215COLOR BUILDING-INTEGRATED PHOTOVOLTAIC (BIPV) MODULE - The present invention provides a color backsheet for a building-integrated photovoltaic (BIPV) module comprising a polyethylene terephthalate (PET) film, a barrier layer and a fluorine-containing polymer film, at least one of the films being doped with dyes or pigments. The present invention also provides a color BIPV module comprising the color backsheet according to the present invention.12-29-2011
20110315218CONDUCTIVE COMPOSITIONS AND PROCESSES FOR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The instant invention is directed to a method of manufacturing a semiconductor device, e.g., a solar cell, with an electrode formed from a thick film conductive composition comprising electrically conductive material, rhodium-containing additive, one or more glass frits, and an organic medium and to devices comprising such an electrode.12-29-2011
20110315217CU PASTE METALLIZATION FOR SILICON SOLAR CELLS - Embodiments of the invention generally provide copper contact structures on a solar cell formed using copper metallization pastes and/or copper inks. In one embodiment, the copper metallization paste includes an organic matrix, glass frits within the organic matrix, and a metal powder within the organic matrix, the metal powder comprising encapsulated copper-containing particles. The encapsulated copper-containing particles further include a copper-containing particle and at least one coating surrounding the copper-containing particle. In another embodiment, a solar cell includes a front contact structure on a substrate comprising a doped semiconductor material. The front contact structure includes a copper layer comprising sintered encapsulated copper-containing particles, wherein at least some of the encapsulated copper-containing particles include a copper-containing particle and at least one coating surrounding the copper-containing particle.12-29-2011
20110315213PHOTOELECTRIC CONVERSION ELEMENT, METHOD OF MANUFACTURING THE SAME, PHOTOELECTRIC CONVERSION ELEMENT MODULE, AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a method of manufacturing a photoelectric conversion element, including adhering a counter electrode having a current collector onto a porous photoelectrode and a porous insulating layer which are sequentially layered over a substrate; and bending the current collector and joining the current collector to the substrate.12-29-2011
20110315212DYE-SENSITIZED SOLAR CELL, AND METHOD FOR MANUFACTURING THE SAME - There are provided a dye-sensitized solar cell easy to manufacture, high in power extraction efficiency, and suitable for upsizing, and a method for manufacturing the dye-sensitized solar cell. The dye-sensitized solar cell 12-29-2011
20110315211SOLAR CELL FRONT ELECTRODE WITH AN ANTIREFLECTION COATING - A carrier substrate, includes a substrate especially having a glass function, transparent at least in the visible and near-infrared ranges and receiving a conducting electrode which is transparent at least in the visible and near-infrared ranges, this electrode carrier substrate being intended to constitute, in combination with functional elements, a solar cell. This carrier substrate is such that: the electrode includes a micromesh made of conducting material having submillimeter-sized openings; and this micromesh is in contact with an at least slightly conducting antireflection coating facing that one of the functional elements with which it is intended to be in contact. An aspect of the present invention also relates to the use of such a carrier substrate as constituent element of a solar cell and to a process for fabricating the substrate.12-29-2011
20110315210GLASS COMPOSITIONS USED IN CONDUCTORS FOR PHOTOVOLTAIC CELLS - The invention relates to glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells.12-29-2011
20110315209SELECTIVELY DEPOSITED THIN FILM DEVICES AND METHODS FOR FORMING SELECTIVELY DEPOSITED THIN FILMS - A method for selectively depositing a thin film structure on a substrate. The method includes providing a process gas to a surface of the substrate and directing concentrated electromagnetic energy from a source of energy to at least a portion of the surface. The process gas is decomposed onto the substrate to form a selectively deposited thin film structure. A thin film device and apparatus for forming a selectively deposited thin film structure are also disclosed.12-29-2011
20110315208Protective Layers for a Glass Barrier in a Photovoltaic Device - A photovoltaic device includes at least one photovoltaic cell, a flexible glass layer formed over the at least one photovoltaic cell and a transparent and abrasion resistant film which includes an organic-inorganic hybrid material formed over the glass layer.12-29-2011
20110315206Protective Layers for a Glass Barrier in a Photovoltaic Device - A photovoltaic device includes at least one photovoltaic cell, a flexible glass layer formed over the at least one photovoltaic cell, and a transparent planarizing hardcoat formed on the glass layer. The planarizing hardcoat may be in compressive stress and the glass layer may be in tension.12-29-2011
20110315204Conductive Polymer on a Textured or Plastic Substrate - A conducting material can include a fibrous substrate and a conductive polymer coating on a surface of the fibrous substrate.12-29-2011
20110315207PROTECTIVE LAYERS FOR A GLASS BARRIER IN A PHOTOVOLTAIC DEVICE - A photovoltaic device includes at least one photovoltaic cell and a flexible glass layer formed over the at least one photovoltaic cell. The flexible glass layer having a first major surface facing the at least one photovoltaic cell and a second major surface facing away from the at least one photovoltaic cell. A first encapsulant layer is formed over the first major surface of the flexible glass layer, the first encapsulant layer having a modulus of less than 100 MPa at room temperature. A second encapsulant layer is formed over the second major surface of the flexible glass layer, the second encapsulant layer includes a composite material including a polymer matrix containing a filler material.12-29-2011
20100101643COMPOUND, PHOTOELECTRIC CONVERTER AND PHOTOELECTROCHEMICAL CELL - A complex compound (I) obtained by coordinating a compound represented by the following formula (II), hereinafter abbreviated as compound (II), to a metal atom. In the formula, R04-29-2010
20120042943BACKSHEET FOR A PHOTOVOLTAIC MODULE - Disclosed herein is a backsheet for a photovoltaic member. The backsheet includes a weather-resistant layer, a first adhesive layer and an insulating layer. The weather-resistant layer contains chlorinated polyethylene, and the content of the chlorinated polyethylene is at least 50% by weight of the weather-resistant layer. The weather-resistant layer is situated at an outmost surface of the backsheet. The insulating layer may prevent an electric current generated by the photovoltaic member from leakage through the backsheet. The first adhesive layer is disposed between the weather-resistant layer and the insulating layer.02-23-2012
20120006398PROTECTIVE BACK CONTACT LAYER FOR SOLAR CELLS - The present disclosure is directed toward a thin film photovoltaic cell including a support substrate; a contact layer disposed adjacent a first side of the substrate; a p-type semiconductor layer disposed on the first side of the substrate; an n-type semiconductor layer disposed on the first side of the substrate; and a protective back side layer structure disposed adjacent a second side of the substrate, wherein the protective back side layer structure may include a corrosion resistant material. In some embodiments, the back side layer includes at least a first layer and a second layer. Additionally and/or alternatively, the back side layer may include a molybdenum alloy, wherein the molybdenum alloy may include an alloy partner selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Al, and Si.01-12-2012
20100089445BACK SIDE PROTECTIVE SHEET FOR SOLAR CELL AND SOLAR CELL MODULE COMPRISING THE SAME - Provided are a back side protective sheet for a solar cell, which is capable of enhancing performance of adhesion to an EVA resin as a filler used to seal the solar cell elements, of maintaining weather resistance for a long period of time, and of reducing a weight thereof; and a solar cell module including the back side protective sheet for a solar cell. The back side protective sheet (04-15-2010
20120042939ELECTRODE OF SOLAR CELL AND FABRICATION METHOD - This invention discloses an electrode of a solar cell electrically connected to a conductive element via a connect structure. The electrode of the solar cell includes a dielectric structure including one or more openings and located on a contact electrode. The connect structure is disposed within the openings to avoid horizontally diffusing into the contact electrode.02-23-2012
20120042946SOLAR CELL EQUIPPED WITH ELECTRODE HAVING MESH STRUCTURE, AND PROCESS FOR MANUFACTURING SAME - The embodiment provides a solar cell and a manufacturing process thereof. The solar cell is equipped with an electrode on the light incident surface side; and the electrode has both low resistivity and high transparency, can efficiently utilize solar light for excitation of carriers, and can be made of inexpensive materials. The solar cell comprises a photoelectric conversion layer, a first electrode layer arranged on the light incident surface side, and a second electrode layer arranged opposed to the first electrode layer. The first electrode layer has a thickness in the range of 10 to 200 nm, and has plural penetrating openings. Each of the individual openings occupies an area in the range of 80 nm02-23-2012
20120042944PHOTOVOLTAIC PANEL WITH FLEXIBLE SUBSTRATE AND OPTICAL PRISM LAYER - A photovoltaic panel includes a flexible substrate, an optical prism layer, and a photoelectric layer disposed between the plastic flexible substrate and the optical prism layer. The optical prism layer includes a transparent layer and a plurality of prisms attached to the transparent layer and disposed between the transparent layer and photoelectric layer.02-23-2012
20120042942SOLAR CELL HAVING A BUFFER LAYER WITH LOW LIGHT LOSS - Provided is a solar cell that includes: a substrate; a first electrode disposed on the substrate; a light absorbing layer disposed on the first electrode; a buffer layer disposed on the light absorbing layer; and a second electrode disposed on the buffer layer, wherein the buffer layer contains a compound represented by one of the following Formulas 1 and 2:02-23-2012
20120042941Back-Side Contact Solar Cell - A back-side contact solar cell has a semiconductor layer (02-23-2012
20120042940THIN FILM SOLAR CELLS AND METHOD OF MANUFACTURING THE SAME - A thin film solar cell comprises a substrate, an inorganic layer disposed on the substrate and having a plurality of unevenness, a first electrode disposed on the inorganic layer and having a plurality of second unevenness, an absorbing layer disposed on the first electrode, and a second electrode disposed on the absorbing layer.02-23-2012
20120060917SOLAR CELL - A solar cell is provided comprising a substrate, a first insulating layer on a first surface of the substrate, the first insulating layer having a plurality of first openings that expose portions of the substrate, and a plurality of first electrodes electrically connected to the substrate through the first openings, wherein one or more of the first electrodes are configured so that a width of an upper portion located on the first insulating layer is wider than a width of a lower portion located in a corresponding first opening.03-15-2012
20120152344ALUMINUM PASTE COMPOSITIONS COMPRISING CALCIUM OXIDE AND THEIR USE IN MANUFACTURING SOLAR CELLS - Disclosed are aluminum paste compositions, processes to form solar cells using the aluminum paste compositions, and the solar cells so-produced. The aluminum paste compositions comprise 0.03% to 9%, by weight of crystalline calcium oxide; 27% to 89.9%, by weight of an aluminum powder; and 10% to 70%, by weight of an organic vehicle, wherein the amounts in % by weight are based on the total weight of the aluminum paste composition.06-21-2012
20120000525NANOSTRUCTURED SOLAR CELLS - Improved photovoltaic devices and methods are disclosed. In one embodiment, an exemplary photovoltaic device includes a semiconductor layer and a light-responsive layer (which can be made, for example, of a semiconductor material) which form a junction, such as a p-n junction. The light-responsive layer can include a plurality of carbon nanostructures, such as carbon nanotubes, located therein. In many cases, the carbon nanostructures can provide a conductive pathway within the light-responsive layer. In other embodiments, exemplary photovoltaic devices include semiconductor nanostructures, which can take a variety of forms, in addition to the carbon nanostructures. Further embodiments include a wide variety of other configurations and features. Methods of fabricating photovoltaic devices are also disclosed.01-05-2012
20120000526AIR STABLE ORGANIC-INORGANIC NANOPARTICLES HYBRID SOLAR CELLS - A solar cell includes a low work function cathode, an active layer of an organic-inorganic nanoparticle composite, a ZnO nanoparticle layer situated between and physically contacting the cathode and active layers; and a transparent high work function anode that is a bilayer electrode. The inclusion of the ZnO nanoparticle layer results in a solar cell displaying a conversion efficiency increase and reduces the device degradation rate. Embodiments of the invention are directed to novel ZnO nanoparticles that are advantageous for use as the ZnO nanoparticle layers of the novel solar cells and a method to prepare the ZnO nanoparticles.01-05-2012
20120000527UNDERSIDE PROTECTIVE SHEET FOR SOLAR CELL, SOLAR CELL MODULE, AND GAS-BARRIER FILM - The present invention provides an underside protective sheet for solar cell that is excellent in gas barrier properties to oxygen, moisture vapor, and the like. The underside protective sheet for solar cell of the present invention contains a composite base material 01-05-2012
20120000521Graphene Solar Cell And Waveguide - A solar cell includes a semiconductor portion, a graphene layer disposed on a first surface of the semiconductor portion, and a first conductive layer patterned on the graphene layer, the first conductive layer including at least one bus bar portion, a plurality of fingers extending from the at least one bus bar portion, and a refractive layer disposed on the first conductive layer.01-05-2012
20120000524MOISTURE RESISTANT CORD PLATE FOR A PHOTOVOLTAIC MODULE - This invention relates to a moisture resistant cord plate for a photovoltaic module, methods of manufacturing photovoltaic modules, and methods for generating electricity from photovoltaic modules.01-05-2012
20120000523METAL PASTE COMPOSITION FOR FORMING ELECTRODE AND SILVER-CARBON COMPOSITE ELECTRODE AND SILICON SOLAR CELL USING THE SAME - Provided are a metal paste composition for forming an electrode, and a silver-carbon composite electrode and a silicon solar cell using the same. The metal paste composition for forming an electrode including glass frit powder, silver powder and an organic binder further includes 20 or less parts by weight, preferably 25 or less parts by weight of carbon-based material powder based on 100 parts by weight of the silver powder. Optionally, the silver powder has an average particle size of 1 μm or less. An electrode formed using the metal paste composition does not have a substantial deterioration in its electrical characteristics although the silver content is reduced.01-05-2012
20120000522Fabrication Of Solar Cells With Counter Doping Prevention - A solar cell fabrication process includes printing of dopant sources over a polysilicon layer over backside of a solar cell substrate. The dopant sources are cured to diffuse dopants from the dopant sources into the polysilicon layer to form diffusion regions, and to crosslink the dopant sources to make them resistant to a subsequently performed texturing process. To prevent counter doping, dopants from one of the dopant sources are prevented from outgassing and diffusing into the other dopant source. For example, phosphorus from an N-type dopant source is prevented from diffusing to a P-type dopant source comprising boron.01-05-2012
20120000520THIN FILM ARTICLE AND METHOD FOR FORMING A REDUCED CONDUCTIVE AREA IN TRANSPARENT CONDUCTIVE FILMS FOR PHOTOVOLTAIC MODULES - A method for forming a reduced conductive area in transparent conductive. The method includes providing a transparent, electrically conductive, chemically reducible material. A reducing atmosphere is provided and concentrated electromagnetic energy from an energy source is directed toward a portion of the transparent, electrically conductive, chemically reducible material to form a reduced conductive area. The reduced conductive area has greater electrical conductivity than the transparent, electrically conductive, chemically reducible material. A thin film article and photovoltaic module are also disclosed.01-05-2012
20120000519TRANSPARENT ELECTRICALLY CONDUCTIVE LAYER AND METHOD FOR FORMING SAME - A method for forming a transparent electrically conductive layer. The method includes providing a layer comprising cadmium, tin, and oxygen. Concentrated electromagnetic energy is directed from an energy source to at least one portion of the layer to locally heat the at least a portion of the layer. The layer is crystallized to a cadmium-tin oxide ceramic. A photovoltaic cell having the laser crystallized cadmium-tin oxide ceramic and a composition of matter are also disclosed.01-05-2012
20100258181HIGH EFFICIENCY SOLAR CELL STRUCTURES - Solar cell structures and methods of fabricating solar cell structures having increased efficiency are provided.10-14-2010
20120234382SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the solar cell, the solar cell including a first surface configured to receive incident sunlight and having a concavo-convex pattern, a substantially flat second surface opposite to the first surface, a first doped layer formed as a crystalline silicon layer having a first dopant, and a second doped layer formed as an amorphous silicon layer having a second dopant. The processes for forming these layers, with the exception of forming the first doped layer, are performed at a low temperature. Accordingly, reflectivity of sunlight may be minimized, a high terminal voltage may be generated, and a wafer including the solar cell can be kept from being bent.09-20-2012
20110100454Coated and Planarised Polymeric Films - A composite film comprising a polymeric substrate and a planarising coating layer wherein the surface of the planarised substrate exhibits an Ra value of less than 0.7 run and/or an Rq value of less than 0.9 nm, and wherein the composite film further comprises a gas-permeation barrier deposited by atomic layer deposition on a planarised surface of the substrate; an electronic device comprising said composite film; and processes for the production thereof.05-05-2011
20090188558PHOTOVOLTAIC DEVICES HAVING METAL OXIDE ELECTRON-TRANSPORT LAYERS - Optoelectronic devices in both traditional and inverted configurations are provided that include an electron-transport layer. The electron-transport layer includes a metal oxide layer and a monolayer. Methods for making and using the devices are also provided.07-30-2009
20120042947METHODS AND APPARATUS FOR MANUFACTURING MONOCRYSTALLINE CAST SILICON AND MONOCRYSTALLINE CAST SILICON BODIES FOR PHOTOVOLTAICS - Methods and apparatuses are provided for casting silicon for photovoltaic cells and other applications. With such methods and apparatuses, a cast body of monocrystalline silicon may be formed that is free of, or substantially free of, radially-distributed impurities and defects and having at least two dimensions that are each at least about 35 cm is provided.02-23-2012
20110155241DYE FOR DYE-SENSITIZED SOLAR CELL, SEMICONDUCTOR ELECTRODE, AND DYE-SENSITIZED SOLAR CELL - The dye for a dye-sensitized solar cell, which dye is a compound classified into melocyanine dyes and has a structure in which an electron donor unit and an electron acceptor unit are connected with conjugated double bonds, provided by this invention, has excellent photoelectric conversion efficiency and excellent durability, and according to this invention, there can be provided a semiconductor electrode sensitized by the dye and a dye-sensitized solar cell using the semiconductor electrode.06-30-2011
20110155240METHOD OF MANUFACTURE OF SEMICONDUCTOR DEVICE AND CONDUCTIVE COMPOSITIONS USED THEREIN - The present invention is directed to a thick film conductive composition comprising: (a) electrically conductive silver powder; (b) Zn-containing additive wherein the particle size of said zinc-containing additive is in the range of 7 nanometers to less than 100 nanometers; (c) glass frit wherein said glass frit has a softening point in the range of 300 to 600° C.; dispersed in (d) organic medium.06-30-2011
20110155239SOLAR CELL AND METHOD FOR THE PRODUCTION THEREOF - A solar cell having a semiconductor substrate with a front face and a rear face extending substantially parallel thereto, a front face metallization, a rear face metallization and at least three doped regions having at least two different conductivity types, including: a first doped region with a first conductivity type located on the front face of the semiconductor substrate and extends substantially over the entire front face; a second doped region with the opposite conductivity type to that of the first conductivity type located on the rear face and extends partially over said face; and a third doped region with the first conductivity type located on the rear face and extends partially over said face. The front face metallization is connected to the first doped region and the rear face metallization is connected to the second doped region in an electrically conductive manner and the solar cell has an electrically conductive connection which connects the third doped region to the front face metallization and/or the first doped region.06-30-2011
20110155238PYRIDINE TYPE METAL COMPLEX, PHOTOELECTRODE COMPRISING THE METAL COMPLEX, AND DYE-SENSITIZED SOLAR CELL COMPRISING THE PHOTOELECTRODE - A pyridine type metal complex having a partial structure represented by the formula (I) or (I′):06-30-2011
20110155237DYE-SENSITIZED SOLAR CELL - Disclosed is a dye-sensitized solar cell capable of improving fill factor of current, the solar cell including a first substrate and a second substrate, a first electrode formed on the first substrate, a second electrode formed on the second substrate to face the first electrode, an electrolyte interposed between the first and second electrodes, first and second electron collection metal lines formed between the first and second electrodes to collect electrons generated, passivation layers to shield the first and second electron collection metal lines, respectively, and a seal line formed on edge regions of the first and second substrates to bond the first and second substrates to each other and seal the electrolyte, wherein each of the passivation layers has a softening point higher than that of the seal line.06-30-2011
20110155236Nanowire Solar Cell and Manufacturing Method of the Same - To provide a solar cell enabling practical electric power to be obtained and excitons to be effectively collected, and a manufacturing method of the solar cell. A nanowire solar cell 06-30-2011
20110155234METHOD OF FORMING THIN FILM SOLAR CELL AND STRUCTURE THEREOF - A method of forming thin film solar cell includes the following steps. A substrate is provided, and a plurality of first electrodes are formed on the substrate. A printing process is performed to print a light-absorbing material on the substrate and the first electrodes to form a plurality of light-absorbing patterns. Each of the light-absorbing patterns corresponds to two adjacent first electrodes, partially covers the two adjacent first electrodes, and partially exposes the two adjacent first electrodes. A plurality of second electrodes are formed on the light-absorbing patterns.06-30-2011
20110155233HYBRID SOLAR CELLS - Solar cells and methods for manufacturing solar cells are disclosed. An example solar cell includes a first electrode and a second electrode. A first active layer may be disposed between the first electrode and the second electrode, and a second active layer different from the first active layer may also be disposed between the first electrode and the second electrode. One or more layers of conductive material may be disposed between the first active layer and the second active layer, if desired. In some instances, the first active layer may be sensitive to a first range of wavelengths, and the second active layer may be sensitive to a second range of wavelengths, where at least part of the first range of wavelengths does not overlap at least part of the second range of wavelengths. It is contemplated that more than two active layers may be used, if desired.06-30-2011
20110155235POLYIMIDE POLYMERS FOR FLEXIBLE ELECTRICAL DEVICE SUBSTRATE MATERIALS AND FLEXIBLE ELECTRICAL DEVICES COMPRISING THE SAME - A polyimide polymer of Formula (I) for flexible electrical device substrate material is provided.06-30-2011
20120060911SOLAR CELL WITH ELECTROPLATED METAL GRID - One embodiment of the present invention provides a method for fabricating solar cells. During operation, an anti-reflection layer is deposited on top of a semiconductor structure to form a photovoltaic structure, and a front-side electrode grid comprising a metal stack is formed on top of the photovoltaic structure. The metal stack comprises a metal-adhesive layer comprising Ti or Ta, and a conducting layer comprising Cu or Ag situated above the metal-adhesive layer.03-15-2012
20120006402PHOTOVOLTAIC DEVICE - A photovoltaic device comprising an intermediate contact layer for which the reflection characteristics have been optimized. The photovoltaic device (01-12-2012
20120006395COATED STAINLESS STEEL SUBSTRATE - The present disclosure relates to a method of manufacturing of a metal oxide and glass coated metal product. This invention also relates to a coated metallic substrate material that is suitable for manufacturing flexible solar cells and other articles in which a passivated stainless steel surface is desirable.01-12-2012
20120006403Solar Cells With A Barrier Layer Based On Polysilazane - The invention relates to a thin-film solar cell (01-12-2012
20120006401PROTECTIVE SHEET FOR SOLAR CELL MODULE, AND SOLAR CELL MODULE USING SAME - The invention relates to a solar cell module protective sheet which has two or more gas barrier films, each provided with a deposited layer formed of an inorganic oxide on at least one surface of a base film, in which a material constituting the solar cell module protective sheet is formed of a material transmitting light rays of a wavelength contributing to the generation of electric power, and the solar cell module protective sheet is used as a front sheet, a solar cell module using the solar cell module protective sheet, and the like. According to the invention, it is possible to provide a solar cell module protective sheet having high dampproofness and enabling stable long-term use of a solar cell when the solar cell module protective sheet is used as a front sheet or a back sheet of the solar cell module, and a solar cell module using the solar cell module protective sheet.01-12-2012
20120006400SOLAR MODULE DEVICE AND EDGE SEALING COATING METHOD THEREOF - A solar module device and edge sealing coating method thereof are provided, which adopt a light curable adhesive to replace conventional hot melt glue and produce an unexpected effect, so as to uniformly and precisely coat the adhesive on an edge area of a substrate assembly and further reduce the cost.01-12-2012
20120006399ANTI-REFLECTION BARRIER LAYER IN PHOTOVOLTAIC DEVICE - A photovoltaic device for photoelectric conversion of incident solar light is provided. The photoelectric device includes a transparent substrate having a substantially flat surface, and a textured layer on the flat surface of the transparent substrate to form light trapping structures. Thereafter, the photoelectric device includes a barrier layer on the textured layer. The barrier layer is impermeable to one or more fluids released by the textured layer. Further, the photoelectric device includes one or more semiconductor layers on the barrier layer. The barrier layer prevents contamination of the one or more semiconductor layers from the one or more fluids. Finally, the photoelectric device includes a cover substrate on the one or more semiconductor layers.01-12-2012
20120006397INTEGRATED SOLAR ROOF TILE AND METHOD FOR PRODUCING THE SAME - A integrated solar roof tile includes a curved substrate, a silicon-nitride (SiN) film, a first electrode, an amorphous silicon film, a second electrode, a conducting wire layer and a protecting film. The curved substrate includes a top surface and a cross-sectional surface. The SiN film covers the top surface of the curved substrate. The first electrode is disposed on the SiN film. The amorphous silicon film covers the SiN film and the first electrode. The second electrode is disposed on the amorphous silicon film and electrically insulating from the first electrode. The conducting wire layer covers the amorphous silicon film and is electrically connected to the second electrode. The protecting film covers on the conducting wire layer.01-12-2012
20120006393Dielectric Coating For Single Sided Back Contact Solar Cells - A dielectric coating material system for use in a single-sided back contact solar cell is disclosed. The material system serves to electrically isolate electrodes of opposite polarity types on the same side of a silicon-based solar cell, and includes titanium and phosphorus.01-12-2012
20120042948THIN-FILM SOLAR CELL AND MANUFACTURE METHOD THEREOF - A thin-film solar cell and a manufacture method thereof are provided. The thin-film solar cell comprises a transparent substrate, a first transparent conductive layer, a photovoltaic layer, a second transparent conductive layer and a light reflecting structure. The transparent substrate has a light incident surface and a back surface opposite to the light incident surface. The first transparent conductive layer is disposed on the back surface of the transparent substrate. The photovoltaic layer is disposed on the first transparent conductive layer. The second transparent conductive layer is disposed on the photovoltaic layer. The light reflecting structure is disposed on the second transparent conductive layer. The manufacture method forms the light reflecting structure having a texture structure on the thin film to enhance utilization of light beams in the thin-film solar cell so as to further improve photoelectric conversion efficiency of the thin-film solar cell.02-23-2012
20120006394METHOD FOR MANUFACTURING OF ELECTRICAL CONTACTS ON A SOLAR CELL, SOLAR CELL, AND METHOD FOR MANUFACTURING A REAR SIDE CONTACT OF A SOLAR CELL - In various embodiments, a method for manufacturing of electrical contacts on a solar cell is provided. The method may include forming a dielectric layer on a region to be electrically contacted; forming a first metal layer over the dielectric layer; forming electrical contacts between the first metal layer and the region to be electrically contacted through the dielectric layer by laser pulses; annealing the formed electrical contacts; and forming a second metal layer comprising a solderable material at least over a portion of the first metal layer.01-12-2012
20120204949Zinc Ferrite Thin Film, Method for Manufacturing the Same and Application Thereof - Electrochemical methods for manufacturing a zinc ferrite (ZnFe08-16-2012
20120204948SOLAR CELL AND METHOD FOR MANUFACTURING SUCH A SOLAR CELL08-16-2012
20120012179SOLAR CELL - A solar cell, wherein contamination with an undesired impurity is suppressed, and solar cell characteristics are excellent. This solar cell is provided with: a semiconductor substrate having a photoreceiving surface and a back surface; a first semiconductor layer of a first conductivity type formed on a prescribed region of the back surface of the semiconductor substrate; a second semiconductor layer of a second conductivity type formed to extend over the back surface of the semiconductor substrate and the surface of the first semiconductor layer; and a cap layer formed between the first semiconductor layer and the second semiconductor layer, and containing no impurity of the first conductivity type.01-19-2012
20120012173SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a solar cell includes disposing a first doping layer on a substrate, disposing a diffusion preventing layer on the first doping layer, patterning the first doping layer and the diffusion preventing layer to expose a portion of the substrate, forming a second doping layer which is disposed on the exposed portion of the substrate on the diffusion preventing layer, diffusing an impurity from the first doping layer to form a first doping region in a surface of the substrate and diffusing an impurity from the second doping layer to form a second doping region in the surface of the substrate surface, wherein the exposed portion of the substrate formed by patterning the first doping layer and the diffusion preventing layer and a portion of the remaining first doping layer and the diffusion preventing layer which are not patterned are alternately arranged with a lattice shape, and the first doping region and the second doping region are alternately arranged with the lattice shape.01-19-2012
20120012180BACK ELECTRODE TYPE SOLAR CELL, CONNECTING SHEET, SOLAR CELL WITH CONNECTING SHEET, SOLAR CELL MODULE, METHOD OF MANUFACTURING SOLAR CELL WITH CONNECTING SHEET, AND METHOD OF MANUFACTURING SOLAR CELL MODULE - Provided is a back electrode type solar cell in which at least one of the first conductivity type electrode and the second conductivity type electrode is provided with a shape through which a liquid material can flow; a connecting sheet in which at least one of the first conductivity type wire and the second conductivity type wire is provided with a shape through which a liquid material can flow; a solar cell with a connecting sheet using the above-described back electrode type solar cell and/or the connecting sheet; a solar cell module; a method of manufacturing the solar cell with a connecting sheet; and a method of manufacturing the solar cell module.01-19-2012
20120012178ALUMINUM PASTE COMPOSITION AND SOLAR CELL ELEMENT USING THE SAME - An aluminum paste composition is provided, which comprises: (a) an aluminum powder, (b) a glass grit, (c) a binder, and (d) a dispersing agent. A solar cell element is further provided, which includes an electrode or wire formed by coating the aluminum paste composition on a silicon semiconductor substrate and drying and sintering it. The dispersing agent contained in the aluminum paste composition of the present invention has good moisture resistance and is capable of effectively addressing the warping problem of a solar cell and improving the adhesion between the backside aluminum paste and the silver paste of the solar cell.01-19-2012
20120012177HIGH EFFICIENT DYE-SENSITIZED SOLAR CELLS USING TiO2-MULTIWALLED CARBON NANO TUBE (MWCNT) NANOCOMPOSITE - The invention provides high efficient dye-sensitized solar cells using tio01-19-2012
20120012175SOLAR CELL AND MANUFACTURING METHOD THEREOF - A solar cell includes a base layer including a first conductive type impurity element, an upper surface, and a lower surface opposing the upper surface, an emitter layer disposed on the upper surface of the base layer and including a second conductive type impurity element opposing the first conductive type impurity element, a front electrode connected to the emitter layer, a first passivation layer disposed on the lower surface of the base layer, and a rear electrode disposed on the first passivation layer and connected to the base layer. The first passivation layer includes a silicon nitride group compound, and a refractive index of the silicon nitride group compound is less than about 1.96.01-19-2012
20120012176SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell includes a substrate, a doped pattern, a contact layer, and an electrode. The substrate includes a first surface onto which sunlight is incident and a second surface facing the first surface. The doped pattern is formed on the second surface of the substrate and the contact layer is formed on the doped pattern. The electrode is formed on the contact layer and is electrically connected to the doped pattern. Accordingly, a contact resistance between the substrate and the electrode may be decreased, so that the doped pattern and the electrode may be uniformly formed and a power efficiency of the solar cell may be improved.01-19-2012
20120012174SOLAR CELL DEVICE HAVING AN AIRBRIDGE TYPE CONTACT - A solar cell device having an airbridge type contact and the method of forming the same are provided. The solar cell device includes a semiconductor layer for turning light into electric current; at least two conductive line sections for transmitting the electric current from the semiconductor layer and formed on the semiconductor layer; and an airbridge type contact interposing between the two conductive line sections and connecting thereto, wherein a space under the airbridge type contact and between the two conductive line sections is formed, and light is allowed to enter the semiconductor layer by passing through the space.01-19-2012
20120012172THIN-FILM SOLAR FABRICATION PROCESS, DEPOSITION METHOD FOR TCO LAYER, AND SOLAR CELL PRECURSOR LAYER STACK - Methods of depositing a TCO layer on a substrate and precursor for solar cells are described. A method of depositing a TCO layer 01-19-2012
20120012170PROCESSED SILICON WAFER, SILICON CHIP, AND METHOD AND APPARATUS FOR PRODUCTION THEREOF - A silicon crystal wafer or chip, and a method for processing a substantially pure or semiconductor level doped silicon crystal wafer or chip for adapting the wafer or chip for laser beam ablation of an electrically insulating surface layer carried on the wafer or chip. A layer of amorphous silicon of a thickness substantially larger than the thickness of the naturally obtained oxide layer, the amorphous silicon being a substantially pure or semiconductor level doped grade amorphous silicon, is produced on top of a substantially clean surface of the silicon crystal wafer or chip. A layer of the electrically insulating surface layer being substantially transparent to an optical wavelength of a laser beam that is extensively absorbed in the layer of amorphous silicon, is produced on the layer of amorphous silicon. The surface of the silicon crystal wafer or chip is irradiated by a pulsed laser beam of an optical energy fluence and a pulse duration adapted to melt and evaporize the layer of amorphous silicon in an area corresponding to a footprint of the laser beam, so as to ablate a corresponding area of the electrically insulating layer.01-19-2012
20120055549DYE-SENSITIZED SOLAR CELL - There is provided a dye-sensitized solar cell high in power generation efficiency.03-08-2012
20120055548SOLAR BATTERY CELL AND PRODUCTION METHOD THEREOF - A method for producing a solar battery cell, includes: a first step of forming an insulating film on one face side of a semiconductor substrate; a second step of forming an electrode forming groove in an electrode forming region on the insulating film; a third step of printing an electrode printing paste including metal particles as a main component to a width that covers the electrode forming groove and a region sandwiching the electrode forming groove on the insulating film and that is wider than a width of the electrode forming groove, and then drying the electrode printing paste; and a fourth step of forming an electrode with the width of the electrode forming groove by firing the electrode paste at a temperature that is equal to or higher than a melting point of the metal particles or that is equal to or higher than a eutectic temperature, and accumulating and solidifying the electrode paste on the electrode forming groove.03-08-2012
20120055547HIGH-EFFICIENCY SOLAR CELL STRUCTURES AND METHODS OF MANUFACTURE - Solar cells of varying composition are disclosed, generally including a central substrate, conductive layer(s), antireflection layers(s), passivation layer(s) and/or electrode(s). Multifunctional layers provide combined functions of passivation, transparency, sufficient conductivity for vertical carrier flow, the junction, and/or varying degrees of anti-reflectivity. Improved manufacturing methods including single-side CVD deposition processes and thermal treatment for layer formation and/or conversion are also disclosed.03-08-2012
20100200058SOLAR BATTERY, METHOD FOR MANUFACTURING SOLAR BATTERY, METHOD FOR MANUFACTURING SOLAR CELL MODULE, AND SOLAR CELL MODULE - The present invention provides a solar battery including a solar cell; a wiring substrate having a wire to be electrically connected to an electrode provided in the solar cell; and an adhesive agent for adhering the solar cell and the wiring substrate to each other. The present invention also provides a method for manufacturing the solar battery, a method for manufacturing a solar cell module using the solar battery, and the solar cell module.08-12-2010
20090065048Hybrid Photolytic Fuel Cell - An apparatus for providing electrical energy by utilizing energy from absorbed light to dissociate water and thereby provide free electrons is disclosed. In some embodiments, the apparatus comprises a fuel cell having a photolytic front end, a proton-conducting layer, and a catalytic cathode. The photolytic front end uses energy from light to dissociate water molecules into protons and electrons, the proton-conducting layer conducts protons to the catalytic cathode and forces the electrons to travel through an external electrical circuit, and the catalytic cathode recombines the protons and electrons with oxygen to reform water molecules.03-12-2009
20100229940TECHNIQUE FOR PREPARING PRECURSOR FILMS AND COMPOUND LAYERS FOR THIN FILM SOLAR CELL FABRICATION AND APPARATUS CORRESPONDING THERETO - The present invention advantageously provides for, in different embodiments, improved contact layers or nucleation layers over which precursors and Group IBIIIAVIA compound thin films adhere well and form high quality layers with excellent micro-scale compositional uniformity. It also provides methods to form precursor stack layers, by wet deposition techniques such as electroplating, with large degree of freedom in terms of deposition sequence of different layers forming the stack.09-16-2010
20120111406GLASS SUBSTRATE WITH CONDUCTIVE FILM FOR SOLAR CELL - A glass substrate with a conductive film, which ensures that variation of power generation is less likely to occur when used in a thin solar cell, and is excellent in the sealability with a sealant, is provided.05-10-2012
20110005592SEALING FILM FOR SOLAR CELL AND SOLAR CELL OBTAINED BY USE OF THE SEALING FILM - A sealing film having excellent adhesive characteristics for a solar cell is provided, which contains an inorganic filler in the sealing film. The sealing film for a solar cell contains ethylene-polar monomer copolymer, a crosslinking agent, and an inorganic filler. The sealing film is characterized by further containing a phosphite compound represented by formula (I): P(OR01-13-2011
20120055543BACK CONTACT DIFFUSION BARRIER LAYERS FOR GROUP IBIIIAVIA PHOTOVOLTAIC CELLS - The present invention provides for new ohmic contact materials and diffusion barriers for Group IBIIIAVIA based solar cell structures, which eliminate two way diffusion while preserving the efficient ohmic contacts between the substrate and the absorber layers.03-08-2012
20120055546METHOD FOR FORMING STRUCTURES IN A SOLAR CELL - A conductive contact pattern is formed on a surface of solar cell by forming a thin conductive layer over at least one lower layer of the solar cell, and ablating a majority of the thin conductive layer using a laser beam, thereby leaving behind the conductive contact pattern. The laser has a top-hat profile, enabling precision while scanning and ablating the thin layer across the surface. Heterocontact patterns are also similarly formed.03-08-2012
20120055545CONDUCTIVE ADHESIVE MEMBER AND SOLAR CELL MODULE - A conductive adhesive member includes a conductive region continuously exposed along one direction, and an adhesive region exposed along the conductive region.03-08-2012
20120055544SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell with improved energy efficiency is presented. The solar cell includes a substrate having a plurality of cell areas separated by a cell separation area, back electrodes spaced apart from each other by a gap, a light absorbing layer, a transparent electrode layer, and a buffer layer. Each of the back electrodes is disposed over neighboring cell areas and a cell separation area. The light absorbing layer is disposed on the back electrodes and in the gap to absorb incident light. A contact hole extends through the light absorbing layer to a portion of the back electrodes. The transparent electrode layer disposed on the light absorbing layer connects to the back electrodes through the contact hole. The buffer layer is disposed between the light absorbing layer and the transparent electrode layer to cover upper and side surfaces of the light absorbing layer.03-08-2012
20120111401SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - There are provided a solar cell and a method of manufacturing the same. The solar cell includes: a solar cell unit absorbing sunlight to generate electricity; a surface treatment layer formed on at least one of upper and lower surfaces of the solar cell unit by a condensation reaction of a compound having a functional group —Y having a lone pair and an alkoxy group —OR; and a metal electrode layer bonded to the functional group —Y having the lone pair of the surface treatment layer. The solar cell has excellent energy conversion efficiency.05-10-2012
20120152348SOLAR CELL ELEMENT AND METHOD FOR MANUFACTURING SOLAR CELL ELEMENT - In order to improve a photoelectric conversion efficiency, a solar cell element comprises a semiconductor substrate with a first surface serving as a light-receiving surface, a second surface that is a back surface of the first surface, and a plurality of through holes formed so as to extend from the first surface to the second surface. An area of an opening of each of the plurality of through holes increases as the through hole is located closer to a peripheral portion of the semiconductor substrate relative to a central portion thereof.06-21-2012
20120152347STACKED ELECTRODE AND PHOTO-ELECTRIC DEVICE HAVING THE SAME - A stacked electrode includes an optical match layer, a transparent conductive layer, and a metal layer. A complex refractive index of the optical match layer is N06-21-2012
20120152346LIGHT ABSORPTION-ENHANCING SUBSTRATE STACKS - This disclosure provides substrate stacks for use in photovoltaic cells and methods of manufacturing the same. In one aspect, a substrate stack can include a substrate layer having at least one surface with an RMS roughness value that is greater than 9 nm. The substrate stack can also include a transparent conductive oxide layer disposed over the substrate layer. The transparent conductive oxide layer can include at least a first surface with an RMS roughness value that is greater than 9 nm and a second surface with an RMS roughness value that is greater than 9 nm. The RMS roughness value of the second surface can be greater than the RMS value of the first surface.06-21-2012
20120152343ALUMINUM PASTE COMPOSITIONS COMPRISING SILOXANES AND THEIR USE IN MANUFACTURING SOLAR CELLS - Disclosed are aluminum paste compositions, processes to form solar cells using the aluminum paste compositions, and the solar cells so-produced. The low-siloxane aluminum paste compositions consist essentially of 0.005-2.6%, by weight of at least one siloxane; 44.5-84.9%, by weight of an aluminum powder; 0.05-5.8% of an optional indium-free additive; and 15-50%, by weight of an organic vehicle, wherein the amounts in % by weight are based on the total weight of the aluminum paste composition. The high-siloxane aluminum paste compositions comprise 15-68%, by weight of at least one siloxane; 25-84.9%, by weight of an aluminum powder; 0.1-10%, by weight of an organic vehicle.06-21-2012
20120152341LOW BOW ALUMINUM PASTE WITH AN ALKALINE EARTH METAL SALT ADDITIVE FOR SOLAR CELLS - The present invention relates to a composition for use as a backside conductive paste in solar cells. The paste comprises aluminum powder, an organic vehicle and an additive comprising a salt of an alkaline earth metal ion and an organic counterion.06-21-2012
20120204945LIGHT COLLECTION MODULE AND SOLAR ENERGY DEVICE HAVING THE SAME - A light collection module and a solar energy device are provided. The light collection module includes a light guiding material and a solar energy receiving element. The light guiding material has a first surface and a second surface opposite thereto. The first surface includes a first light guiding structure and a second light guiding structure. The first light guiding structure includes a first light guiding surface and a first auxiliary surface connected to each other and intersected in a first angle. The second light guiding structure includes a second light guiding surface and a second auxiliary surface connected to each other and intersected in a second angle. The inclination directions of the first and the second light guiding surfaces are opposite to each other. The solar energy receiving element is disposed on the first surface or the second surface.08-16-2012
20120204947Solar Cell and Manufacturing Method Thereof - There is provided a solar cell according to an exemplary embodiment includes: an upper substrate placed on cells of the solar cell; and a hologram pattern placed on the upper substrate.08-16-2012
20120204946METHOD FOR PRODUCING AN EMITTER ELECTRODE FOR A CRYSTALLINE SILICON SOLAR CELL AND CORRESPONDING SILICON SOLAR CELL - In a method for producing a front-side emitter electrode as front contact for a silicon solar cell on a silicon wafer, a depression is produced in the front side of said silicon wafer. A front-side n-doped silicon layer and an antireflection layer are then produced. A paste is then introduced into the depression, said paste containing electrically conductive metal particles and etching glass frit. Said paste, as a result of momentary heating, etches through the antireflection layer to the n-doped silicon layer making electrical contact with the latter. Afterwards, electrically conductive front contact metal is galvanically attached as front contact onto the heat-treated paste in the depression.08-16-2012
20120204944SOLAR SUBSTRATE WITH HIGH FRACTURE STRENGTH - The invention discloses a solar substrate with high fracture strength. The solar substrate according to the invention comprises an upper surface, a plurality of first protrusions and a plurality of first recess regions. The first protrusions are formed on the upper surface and each of the plurality of first recess regions being formed on the surrounding of the plurality of first protrusions, such that the deflection required to crack the solar substrate by bending thereto being increased in comparison with the solar substrate without the plurality of first protrusions and first recess regions formed thereon. By the combination of the protrusions and the recess regions, the fracture strength of the solar substrate is enhanced for enduring a high tension.08-16-2012
20120060910ELECTRODE STRUCTURE, METHOD AND APPLICATIONS - An organic photovoltaic cell structure and a method for fabricating the organic photovoltaic cell structure are each predicated upon an organic photovoltaic material layer located and formed interposed between an anode and a cathode. The organic photovoltaic cell structure and the method for fabricating the organic photovoltaic cell structure also include for the anode a nickel and indium doped tin oxide material layer (Ni-ITO) that has a nickel doping sufficient to provide a work function of the nickel and indium doped tin oxide material layer (Ni-ITO) anode preferably no more positive than about −5.0 eV. Such a composition of the nickel and indium doped tin oxide material layer (Ni-ITO) anode provides for a superior bandgap matching to a B3HT p-type donor component within a B3HT:BPCM BHJ organic photovoltaic material layer while also providing a greater bandgap separation of an aluminum material layer (Al) cathode to provide for enhanced electric field and charge carrier transport and collection capabilities of an organic photovoltaic cell device that derives from the organic photovoltaic cell structure.03-15-2012
20120060909TRANSPARENT ELECTRODE SUBSTRATE AND PHOTOELECTRIC CONVERSION ELEMENT - A transparent electrode substrate includes: a substrate having translucency; a base layer that is laminated on the substrate and includes a surface on which lattice-like grooves are formed; a lattice-like metal wiring layer that is formed by embedding a metallic material into the grooves; a conductive oxide layer that is laminated on the base layer such that the conductive oxide layer is electrically connected to the metal wiring layer, the conductive oxide layer being formed of a first transparent conducting oxide having a first specific resistance; and an inorganic protective layer that is laminated on the conductive oxide layer and formed of a second transparent conducting oxide having acid resistance and a second specific resistance larger than the first specific resistance.03-15-2012
20120060916FRONT ELECTRODE FOR USE IN PHOTOVOLTAIC DEVICE AND METHOD OF MAKING SAME - This invention relates to a front electrode/contact for use in an electronic device such as a photovoltaic device. In certain example embodiments, the front electrode of a photovoltaic device or the like includes a multilayer coating including at least one transparent conductive oxide (TCO) layer (e.g., of or including a material such as tin oxide, ITO, zinc oxide, or the like) and/or at least one conductive substantially metallic IR reflecting layer (e.g., based on silver, gold, or the like). In certain example instances, the multilayer front electrode coating may include one or more conductive metal(s) oxide layer(s) and/or one or more conductive substantially metallic IR reflecting layer(s) in order to provide for reduced visible light reflection, increased conductivity, cheaper manufacturability, and/or increased infrared (IR) reflection capability.03-15-2012
20120060912METHOD OF FORMING CONDUCTIVE ELECTRODE STRUCTURE AND METHOD OF MANUFACTURING SOLAR CELL WITH THE SAME, AND SOLAR CELL MANUFACTURED BY THE METHOD OF MANUFACTURING SOLAR CELL - The present invention provides a method of forming a conductive electrode structure including: applying a conductive paste on a substrate; forming a conductive pattern having an outwardly convex shape by heat-treating the conductive paste; and forming a solder layer to conformally cover the conductive pattern.03-15-2012
20120118369SOLAR CELL ARCHITECTURE HAVING A PLURALITY OF VIAS WITH SHAPED FOIL VIA INTERIOR - Methods and devices are provided for forming a low electrical resistance via filling material based on foil deformation.05-17-2012
20120118368Method for Increasing the Efficiency of Organic Photovoltaic Cells - The present invention is directed to an organic photovoltaic cell that contains one or more dipole regions generally disposed between an organic active region and the electrodes and a process for producing such an organic photovoltaic cell.05-17-2012
20120204950TRANSPARENT CONDUCTIVE COATINGS FOR OPTOELECTRONIC AND ELECTRONIC DEVICES - The invention provides processes for the manufacture of conductive transparent films and electronic or optoelectronic devices comprising same.08-16-2012
20100288353Coextruded, biaxially oriented polyester films with improved adhesion properties, reverse-side laminates for solar modules, and solar modules - The invention relates to a coextruded, biaxially oriented polyester film including a base layer (B) and at least one outer layer (A), in which the base layer (B) is mainly formed from thermoplastic polyester and the outer layer (A) is mainly formed from a mixture of from 50 to 97% by weight of ethylene-acrylate copolymer and from 3 to 50% by weight of polyester, where the proportion of acrylate in the ethylene-acrylate copolymer is from 2.5 to 15 mol %, based on the monomers of the copolymer. A process for the production of the film, and the use of the film are also described.11-18-2010
20110094578Solar cell device and manufacturing method therefor - A solar cell device including an electrode formed by applying a conductive paste containing at least a conductive powder, glass frit and an organic vehicle onto a semiconductor substrate provided with a silicon nitride layer on a surface thereof and firing the applied conductive paste, wherein the electrode has a structure comprising a front electrode layer comprising silver as a main component, a glass layer comprising tellurium glass as a main component, and a silicon oxide layer containing plural silver particles precipitated by the firing. The solar cell device is provided with an electrode formed using a conductive paste not containing lead glass and has good solar cell characteristics.04-28-2011
20110094576STRUCTURE AND PROCESS FOR SOLAR CELL ELECTRODES - Methods and devices are described for thin film solar cell manufacturing. In one embodiment, the method includes displacing the residual insulator in vias with the pins of the present invention, which may greatly reduce the amount of material to be removed and hence make the laser more cost-effective. It is still desirable to use a laser or other device to completely clear the bottom of the via of residual material (to prepare for making a good electrical connection) but the film remaining under the pins would be microns in thickness, compared to the hundreds of microns of via depth.04-28-2011
20110094575Polarization Resistant Solar Cell Design Using an Oxygen-Rich Interface Layer - A polarization resistant solar cell using an oxygen-rich interface layer is provided. The oxygen-rich interface layer may be comprised of SiO04-28-2011
20110094580Photovoltaic device including front electrode having titanium oxide inclusive layer with high refractive index - Certain example embodiments of this invention relate to an electrode (e.g., front electrode) for use in a photovoltaic device or the like. In certain example embodiments, a transparent conductive oxide (TCO) of the front electrode for use in a photovoltaic device is of or includes titanium oxide doped with one or more of Nb, Zn and/or Al. Additional layers may also be provided in the front electrode in certain example embodiments. It has been found that the use of transparent conductive TiO04-28-2011
20110094574Polarization Resistant Solar Cell Design Using SiCN - A polarization resistant solar cell is provided. The solar cell uses a dual layer dielectric stack disposed on the front surface of the cell. The dielectric stack consists of a passivation layer disposed directly on the front cell surface and comprised of either SiO04-28-2011
20110094584SOLAR CELL SUBSTRATE AND OXIDE SEMICONDUCTOR ELECTRODE FOR DYE-SENSITIZED SOLAR CELL - The present invention provides a solar cell substrate having a transparent conductive film formed on a glass substrate, wherein the thermal expansion coefficient of the glass substrate is from 50×1004-28-2011
20110094583ELECTROPLATING ADDITIVE FOR THE DEPOSITION OF METAL, A BINARY, TERNARY, QUATERNARY OR PENTANARY ALLOY OF ELEMENTS OF GROUP 11 (IB)-GROUP 13 (IIIA)-GROUP 16 (VIA) - The invention relates to electroplating additives for the deposition of a group IB metal/binary or ternary group IB-group IIIA/ternary, quaternary or pentanary group IB-group IIIA-group VIA alloy on substrates useful for thin film solar cells. The additives have the general formula (A):04-28-2011
20110094582PHOTOCHEMICAL ELECTRODE, CONSTRUCTION AND USES THEREOF - Provided is an electrode including a conductive surface connected to a matrix; the matrix including a plurality of semiconductor nanoparticles and noble metal nanoparticles, substantially each of which is connected to another nanoparticle of the plurality of nanoparticles by at least one matrix connecting group and at least a portion of the plurality of nanoparticles of the matrix is each connected to the conductive surface by at least one surface connecting group. Further provided are photovoltaic cells and devices including electrode of the invention.04-28-2011
20110094579Electrode substrate, method of preparing same, and photoelectric conversion device including same - An electrode substrate for a photoelectric conversion device includes a current-collecting electrode on a transparent conductive substrate and a coating film coating a surface of the current-collecting electrode substrate, wherein the coating film is formed by coating the surface of the current-collecting electrode with a glass paste composition and baking the current-collecting electrode coated with the glass paste composition, and when a thickness of the coating film is a μm and a maximal length of a pore in the coating film is b μm, a condition of b≦0.5a is satisfied.04-28-2011
20120152345ALUMINUM PASTES COMPRISING BORON NITRIDE AND THEIR USE IN MANUFACTURING SOLAR CELLS - Disclosed are aluminum paste compositions, processes to form solar cells using the aluminum paste compositions, and the solar cells so-produced. The aluminum paste compositions comprise 0.003% to 9%, by weight of boron nitride; 27% to 89%, by weight of an aluminum powder, such that the weight ratio of aluminum powder to boron nitride is in the range of 9:1 to 9909:1; and 0.1% to 9%, by weight of an optional glass frit-free additive, the optional glass frit-free additive comprising amorphous silicon dioxide, crystalline calcium oxide organometallic compounds, metal salts, or mixtures thereof; and 10% to 70%, by weight of an organic vehicle, wherein the amounts in % by weight are based on the total weight of the aluminum paste composition.06-21-2012
20120152342ALUMINUM PASTE COMPOSITIONS COMPRISING METAL PHOSPHATES AND THEIR USE IN MANUFACTURING SOLAR CELLS - Disclosed are aluminum paste compositions, processes to form solar cells using the aluminum paste compositions, and the solar cells so-produced. The aluminum paste compositions have 0.005-7%, by weight of a metal phosphate; 46-84.9%, by weight of an aluminum powder; and 15-50%, by weight of an organic vehicle, wherein the amounts in % by weight are based on the total weight of the aluminum paste composition.06-21-2012
20090283140METHOD OF MAKING CONTACT TO A SOLAR CELL EMPLOYING A GROUP IBIIIAVIA COMPOUND ABSORBER LAYER - A solar cell manufacturing method which forms a Group IBIIAVIA absorber layer over a front side of a metallic substrate. The back side of the metallic substrate is coated with a conductive protection layer, such as a metal nitride material, that that does not form a high resistivity selenide or sulfide films when exposed to Se and S species at temperatures in the range of 400-600 C. Additionally, the protection material layer is stable in highly acidic and basic electroplating solutions that are employed to deposit layers or precursor layers comprising Cu and at least one of In, Ga, Se and S.11-19-2009
20130133742Paste for Contacts and Solar Cell Using the Same - Provided are a paste for contacts and a solar cell using the same. The paste for contacts includes Al powder, glass frit, inorganic binder, and P-type oxidation containing I group elements.05-30-2013
20120103415INTERCONNECTION SHEET, SOLAR CELL WITH INTERCONNECTION SHEET, SOLAR CELL MODULE, AND INTERCONNECTION SHEET ROLL - An interconnection sheet, a solar cell with the interconnection sheet, a solar cell module, an interconnection sheet roll, a solar cell with an interconnection sheet and solar cell module satisfy a relationship of Y≦Z05-03-2012
20120103409Conductive Paste And Electronic Device And Solar Cell Including An Electrode Formed Using The Same - A conductive paste may include a conductive powder, a metallic glass including a first element having a heat of mixing value with the conductive powder of less than 0, and an organic vehicle, and an electronic device and a solar cell may include an electrode formed using the conductive paste.05-03-2012
20100096009POROUS SILICA, OPTICAL-PURPOSE LAYERED PRODUCT AND COMPOSITION, AND METHOD FOR PRODUCING POROUS SILICA - There is provided porous silica having a low refractive index and being stable when exposed to water.04-22-2010
20100096006MONOLITHIC IMOD COLOR ENHANCED PHOTOVOLTAIC CELL - Devices incorporating an interferometric stack in a photovoltaic device and method of manufacturing a photovoltaic device comprising an interferometric stack. In one example, a photovoltaic device includes a photovoltaic active layer, an absorber layer, and a first optical resonant cavity layer. The optical resonant cavity layer is disposed between the absorber layer and photovoltaic active layer forming an interferometric modulator. The interferometric modulator is configured to reflect a uniform color. In another example, a method of manufacturing a photovoltaic device includes depositing a photovoltaic active layer on an interferometric stack. The interferometric stack can include an absorber layer and a first optical resonant cavity. The photovoltaic active layer is deposited on the optical resonant cavity and the formed photovoltaic device is reflects a uniform color.04-22-2010
20100096004SOLAR CELL WITH NANOSTRUCTURE ELECTRODE(S) - A solar cell comprising at least one nanostructure-film electrode is discussed. The solar cell may further comprise a different conducting material, such as a conducting polymer, to fill pores in the nanostructure-film. Additionally or alternatively, the solar cell may comprise an electrode grid superimposed on the nanostructure-film. Likewise, the solar cell may have a single or multiple active layer(s), wherein nanostructure-film(s) may form at least semi-transparent anode(s) and/or cathode(s) through use of buffer layer(s).04-22-2010
20110088777USE OF SILANE-MODIFIED POLYOLEFINS AS ADHESION PROMOTERS FOR THE PRODUCTION OF FLAT LAMINATES - The invention relates to the use of polyolefins modified with one or more silanes as adhesion promoters for the production of flat glass/glass, glass/plastic, or plastic/plastic laminates, to corresponding laminates, and to displays containing the laminates according to the invention.04-21-2011
20110088776SOLAR CELL STRUCTURE AND MANUFACTURING METHOD THEREOF - A solar cell structure including a photovoltaic layer, an upper electrode, a lower electrode, and a passivation layer is provided. The photovoltaic layer has an upper surface, a lower surface and a plurality of side surfaces, wherein the photovoltaic layer includes a first type and a second type semiconductor layer. The upper electrode is disposed at the upper surface of the photovoltaic layer and electrically connected with the second type semiconductor layer, wherein the second type semiconductor layer is between the upper electrode and the first type semiconductor layer. The bottom electrode is disposed at the bottom surface of the photovoltaic layer and electrically connected with the first type semiconductor layer, wherein the first type semiconductor layer is between the bottom electrode and the second type semiconductor. The passivation layer covers at least one of the side surfaces so as to reduce the leakage current formed on the side surfaces.04-21-2011
20110088775BENZOINDOLE-BASED COMPOUND AND DYE-SENSITIZED SOLAR CELL USING THE SAME - A benzoindole-based compound represented by Formula 1 below, a dye including the benzoindole-based compound, and a dye-sensitized solar cell including the dye:04-21-2011
20110088774PHOTOVOLTAIC CELL AND PHOTOVOLTAIC CELL SUBSTRATE - The invention relates to a photovoltaic cell (04-21-2011
20110088773METHOD OF MANUFACTURING PHOTOELECTRIC CONVERSION ELEMENT, PHOTOELECTRIC CONVERSION ELEMENT MANUFACTURED BY THE SAME, METHOD OF MANUFACTURING PHOTOELECTRIC CONVERSION ELEMENT MODULE, AND PHOTOELECTRIC CONVERSION ELEMENT MODULE MANUFACTURED BY THE SAME - A method of manufacturing a photoelectric conversion element includes: a semiconductor forming step of forming a porous oxide semiconductor layer on a surface of a catalytic layer of a first electrode including a metal plate made of titanium or an alloy including titanium and the catalytic layer, or a surface of a transparent conductor of a second electrode including the transparent conductor; a dye supporting step of supporting a photo-sensitized dye on the porous oxide semiconductor layer; a sealing step of surrounding and sealing the porous oxide semiconductor layer and an electrolyte between the first electrode and the second electrode with a sealing material; and a terminal forming step of forming a terminal on the metal plate. In the terminal forming step, the terminal is formed by applying an ultrasonic wave to a high-melting-point solder while the high-melting-point solder is heated to melt.04-21-2011
20110088772METHOD OF MANUFACTURING PHOTOELECTRIC CONVERSION ELEMENT, PHOTOELECTRIC CONVERSION ELEMENT MANUFACTURED BY THE SAME, METHOD OF MANUFACTURING PHOTOELECTRIC CONVERSION ELEMENT MODULE, AND PHOTOELECTRIC CONVERSION ELEMENT MODULE MANUFACTURED BY THE SAME - A method of manufacturing a photoelectric conversion element includes: a first step of forming a porous oxide semiconductor layer on a surface of a catalytic layer of a first electrode including a metal plate made of titanium or a titanium alloy and the catalytic layer, or a surface of a transparent conductor of a second electrode including the transparent conductor; a second step of supporting a photo-sensitized dye on the porous oxide semiconductor layer; a third step of surrounding and sealing the porous oxide semiconductor layer and an electrolyte between the first electrode and the second electrode with a sealing material; and a fourth step of forming a terminal on the metal plate. In the fourth step, the terminal is formed by pressing a metal member including at least one of copper and nickel against the metal plate and applying an ultrasonic wave to the metal member.04-21-2011
20110088770NANOWIRE-BASED TRANSPARENT CONDUCTORS AND APPLICATIONS THEREOF - A transparent conductor including a conductive layer coated on a substrate is described. More specifically, the conductive layer comprises a network of nanowires that may be embedded in a matrix. The conductive layer is optically clear, patternable and is suitable as a transparent electrode in visual display devices such as touch screens, liquid crystal displays, plasma display panels and the like.04-21-2011
20110088769PROCESS OF FORMING AN ELECTRODE ON THE FRONT-SIDE OF A NON-TEXTURED SILICON WAFER - A process for the production of a front-side electrode on a non-textured silicon wafer having an ARC layer on its front-side, wherein the front-side electrode is printed from a silver paste and fired, wherein the silver paste comprises (i) an inorganic content comprising (a) 93 to 95 wt.-% of electrically conductive metal powder comprising 90 to 100 wt.-% of silver powder, (b) 1 to 7 wt.-% of at least one glass frit, (c) 0 to 6 wt.-% of at least one solid inorganic oxide and (d) 0 to 6 wt.-% of at least one compound capable of forming a solid inorganic oxide on firing and (ii) an organic vehicle, wherein the weight ratio between the electrically conductive metal powder and the glass frit plus solid inorganic oxide is >13 to 19 in the fired state.04-21-2011
20110088768METHOD OF ANNEALING CADMIUM TELLURIDE PHOTOVOLTAIC DEVICE - A method of manufacturing a photovoltaic device may include forming a cadmium zinc sulfide layer on a substrate; depositing a cadmium telluride layer on the cadmium zinc sulfide layer; contacting a cadmium chloride to the cadmium telluride layer; and annealing one or more layers, where the one or more layers includes at least the cadmium telluride layer.04-21-2011
20110088767Surface structure of crystalline silicon solar cell and manufacturing method thereof - The present invention provides a surface structure of a crystalline silicon solar cell and a manufacturing method thereof. The surface structure of the crystalline silicon solar cell comprises a main body having a front side microstructure and a back side microstructure. A surface morphology of the front side microstructure includes a plurality of cone structures, a surface morphology of the back side microstructure includes a plurality of arc structures, and a surface roughness of the front side microstructure is greater than that of the back side structure.04-21-2011
20110088766Thin-Film Photovoltaic Device and Method for Manufacturing the Same - A thin-film photovoltaic device comprising at least: a substrate, a transparent electrode layer, a p-type semiconductor as the ohmic contact layer, an intrinsic semiconductor as the light absorption layer, and a magnesium alloy substituted for the n-type semiconductor as the other ohmic contact layer. A method for manufacturing the thin-film photovoltaic device is also provided in the present invention.04-21-2011
20110088765Solar Cell Structure - A solar cell structure is provided. The solar cell structure includes a substrate, a front transparent conductive oxide (TCO) layer, a primary light absorbing layer, a back TCO layer, and a metal thin film layer stacked from bottom to top. The back TCO layer includes a coarse upper surface. Or alternatively, the solar cell structure includes a substrate, a front TCO layer, at least one first light absorbing layer, at least one interface layer, at least one second light absorbing layer, a back TCO layer, and a metal thin film layer stacked from bottom to top. The interface layer includes a coarse upper surface. Because of the coarse upper surface of the back TCO layer or the interface layer, the light is facilitated for further scattering, so that the light absorbing efficiency can be improved, thus improving the efficiency of the solar cell.04-21-2011
20120118373SILICON SOLAR CELL - A silicon solar cell is provided, including a first silicon layer that absorbing sunlight, a first layer of a structure of photonic crystals formed on the first silicon layer, and a second silicon layer formed on the first layer of a structure of photonic crystals and absorbing sunlight, wherein the first silicon layer and the second silicon layer absorb sunlight at different wavelengths and the first layer of structure of photonic crystals selectively reflects light of a wavelength absorbed by the second silicon layer.05-17-2012
20120118371LIGHT ELECTRON CONVERSION ELEMENT - A photoelectric conversion element includes a substrate that has a first unevenness structure including a plurality of first convex portions on one principal surface and a second unevenness structure formed on a surface of the first unevenness structure and including a plurality of second convex portions. A light-receiving element is formed on the one principal surface of the substrate and includes a first electrode, a photoelectric conversion layer, and a second electrode in this order from the side of the substrate. At least the first electrode of the light-receiving element has a third unevenness structure replicated from one or both of the first and second unevenness structures on a surface opposite to the substrate.05-17-2012
20120255603PHOTOVOLTAIC STRUCTURES AND METHODS OF FABRICATING THEM - One device structure includes a substrate on which a surface having alternating concave and convex sections is formed, the surface having alternating concave and convex sections having a number of peaks valleys, a number of electrode/reflector components, each one of the number of electrode/reflector components being conformal to at least a portion of a section of the surface having alternating concave and convex sections from one valley to another valley, a number of p-doped layer, each p-doped layer disposed over at least a portion of an alternate one of the number of electrode/reflector components, a number of n-doped layers, each n-doped layer disposed over at least a portion of other alternate ones of the number of electrode/reflector components. Methods for fabricating are disclosed.10-11-2012
20090133751Nanostructured Organic Solar Cells - Solar cells having at least one electron acceptor layer and at least one electron donor layer forming a patterned p-n junction are described. Electron acceptor layer may be formed by patterning formable N-type material between a template and an electrode layer, and solidifying the formable N-type material.05-28-2009
20090133749Chalcopyrite Solar Cell - A chalcopyrite solar cell having a mica substrate or a laminated mica substrate, an intermediate layer made of a ceramic-based material formed on the mica substrate, and a binder layer formed on the intermediate layer. The intermediate layer has a thickness equal to or more than 2 μm and equal to or less than 20 μm. The binder layer has a thickness equal to or more than 3000 Å and equal to or less than 8000 Å. The intermediate layer and the binder layer are interposed between the mica substrate and a molybdenum electrode.05-28-2009
20090133745PHOTOVOLTAIC CELL COMPRISING A PHOTOVOLTAIC ACTIVE SEMICONDUCTOR MATERIAL - The invention relates to a photovoltaic cell comprising a photovoltaically active semiconductor material, wherein the photovoltaically active semiconductor material is a p- or n-doped semiconductor material comprising a binary compound of the formula (I) or a ternary compound of the formula (II):05-28-2009
20090133750SOLAR CELL - There is provided a solar cell including: a substrate; an energy absorption layer formed on the substrate and having a plurality of nanowire structures, each of the nanowire structures including an n-type semiconductor and a p-type semiconductor joined together; and n-type and p-type electrodes electrically connected to the n-type and p-type semiconductors, respectively. The solar cell exhibits high photoelectric efficiency due to pn junction of the nanowire structures. Further, the solar cell can absorb light falling within a substantially whole range of solar spectrum and does not require an epitaxial growth process, thereby overcoming drawbacks of an epitaxial layer such as crystal defect.05-28-2009
20090133748Method of making an antireflective silica coating, resulting product, and photovoltaic device comprising same - A low-index silica coating may be made by forming silica sol comprising a silane and/or a colloidal silica. The silica precursor may be deposited on a substrate (e.g., glass substrate) to form a coating layer. The coating layer may then be cured and/or fired using temperature(s) of from about 550 to 700° C. A capping layer composition comprising an antifog composition including a siloxane and/or hydrofluororether may be formed, deposited on the coating layer, then cured and/or fired to form a capping layer The capping layer improves the durability of the coating. The low-index silica based coating may be used as an antireflective (AR) film on a front glass substrate of a photovoltaic device (e.g., solar cell) or any other suitable application in certain example instances.05-28-2009
20090133747COMPOUND HAVING PHOTOSENSITIZATION ACTIVITY, PHOTOELECTRODE, AND PHOTOSENSITIZATION-TYPE SOLAR CELL - The main object of the invention is to provide a compound that can be used as a sensitizing dye of a dye-sensitized solar cell, which can realize outstanding endurance and photovoltaic conversion efficiency.05-28-2009
20090133746Solid-State Electrolyte Composition Containing Liquid Crystal Materials and Dye-Sensitized Solar Cells Using the Same - This invention provides a solid-state electrolyte containing liquid crystal material and a solar cell using the same. According to this invention, since the solar cell includes the solid-state electrolyte containing the liquid crystal material, it does not require the use of a solvent and a sealing agent, as do conventional dye-sensitized solar cells using a liquid-state electrolyte, thus realizing a simple fabrication process. Further, the solar cell of this invention can exhibit much higher energy conversion efficiency than conventional dye-sensitized solar cells using a solid-state electrolyte.05-28-2009
20090242021SOLAR CELL WITH COLORIZATION LAYER - Colorization of a solar cell is achieved by modifying a layer proximate an active layer of the solar cell. The color attribute may be obtained by selecting one or more narrow bands of wavelengths in the visible color spectrum to be reflected from the surface of the solar cell unit that results in a specific color or combination of colors at various angles. The spectrum of light reflected from the active solar cell area is controlled through the use of filters that reflect only limited portions of the spectrum, thereby minimizing the effect of reflected light on the overall efficiency of the solar cell.10-01-2009
20120118374PHOTOVOLTAIC DEVICE - Provided is a photovoltaic device that includes: a substrate; a first electrode disposed on the substrate: a photoelectric transformation layer disposed on the first electrode, the photoelectric transformation layer comprising a light absorbing layer which comprises at least one pair of an intrinsic first sub-layer and an intrinsic second sub-layer, each of which comprises a hydrogenated amorphous silicon based material and a hydrogenated proto-crystalline silicon based material having a crystalline silicon grain, and comprises a non-silicon based element; and a second electrode disposed on the photoelectric transformation layer.05-17-2012
20120118372SOLAR CELL - A solar cell includes a substrate of a first conductive type, an emitter layer which is positioned at an incident surface of the substrate and has a second conductive type opposite the first conductive type, a front electrode which is positioned on the incident surface of the substrate and is electrically connected to the emitter layer, a back passivation layer which is positioned on a back surface opposite the incident surface of the substrate, has at least one hole, and contains intrinsic silicon, and a back electrode layer positioned on the back passivation layer. The back electrode layer is electrically connected to the substrate through the at least one hole of the back passivation layer and contains a distribution of a silicon material.05-17-2012
20120118370TWO-PART SCREEN PRINTING FOR SOLAR COLLECTION GRID - Methods and apparatus relating to providing a collection grid suitable for use in PV modules. The disclosed collection grid may be at least partially applied to a protective laminate sheet in a manner that removes the high temperature requirements of conventional screen printed collection grids, to avoid unwanted heat-related deformation of the laminate sheet.05-17-2012
20120118367NON-PLANAR/CURVED DYE-SENSITIZED SOLAR CELL AND A METHOD OF MANUFACTURING THE SAME - Featured are a non-planar curved dye-sensitized solar cell and a method of manufacturing such a solar cell. In particular aspects, such methods include preparing two curved substrates, forming a first curved conductive substrate for a working electrode and a second curved conductive substrate for a counter electrode, coating a metal electrode and a protection film on each of the first and second curved conductive substrates, forming the working electrode by coating a semiconductor oxide electrode film on a concave surface of the first curved conductive substrate and by adsorbing a dye in the semiconductor oxide electrode film, forming the counter electrode by coating a catalytic electrode on a convex surface of the second curved conductive substrate, and joining the working electrode with the counter electrode and injecting an electrolyte in between the working electrode and the counter electrode.05-17-2012
20110100451Silicon solar cell manufacture - A silicon solar cell is manufactured by providing a carrier plate, and by applying a first contact pattern to the carrier plate. The first contact pattern includes a set of first laminar contacts. The silicon solar cell is further manufactured by applying a multitude of silicon slices to the first contact pattern, and by applying a second contact pattern to the multitude of silicon slices. Each first laminar contact of the set of first laminar contacts is in spatial laminar contact with maximally two silicon slices. The second contact pattern includes a set of second laminar contacts. Each second laminar contact of the set of second laminar contacts is in spatial laminar contact with maximally two silicon slices.05-05-2011
20110114166Photoelectric conversion device - A photoelectric conversion device capable of increasing an adhesive force between substrates is provided. The photoelectric conversion device includes a first and second substrates facing each other, a photoelectrode including a first transparent conductive layer and formed on a surface of the first substrate facing the second substrate, a counter electrode including a second transparent conductive layer and formed on a surface of the second substrate facing the first substrate, a semiconductor layer formed on the photoelectrode and including a photosensitive dye that generates electrons when excited by light, an electrolyte disposed between the semiconductor layer and the counter electrode, and a sealing member disposed between the first and second transparent conductive layers. At least one of the first and second transparent conductive layers has a first stepped portion in which the sealing member is disposed. The sealing member seals a space between the first and second transparent conductive layers. Accordingly, an adhesive force and a sealing force between the sealing member and the light receiving substrate may be increased.05-19-2011
20120125424PHOTOVOLTAIC DEVICE STRUCTURE AND METHOD - A surface region of a semiconductor material on a surface of a semiconductor device is doped during its manufacture, by coating the surface region of the semiconductor material with a dielectric material surface layer and locally heating the surface of the semiconductor material in an area to be doped to locally melt the semiconductor material with the melting being performed in the presence of a dopant source. The heating is performed in a controlled manner such that a region of the surface of the semiconductor material in the area to be doped is maintained in a molten state without refreezing for a period of time greater than one microsecond and the dopant from the dopant source is absorbed into the molten semiconductor. The semiconductor device includes a semiconductor material structure in which a junction is formed and may incorporate a multi-layer anti-reflection coating. The anti-reflection coating is located on a light receiving surface of the semiconductor material structure and comprises a thin layer of thermal expansion mismatch correction material having a thermal expansion coefficient less than or equal to that of the semiconductor material, to provide thermal expansion coefficient mismatch correction. An anti-reflection layer is provided having a refractive index and thickness selected to match the semiconductor material structure so as to give good overall antireflection properties to the solar cell.05-24-2012
20120125423TRANSPARENT CONDUCTIVE SUBSTRATE - A photovoltaic element for photovoltaic applications includes a transparent substrate having a first side and a second side. A transparent electrically conductive oxide is disposed over the first side of the transparent substrate. Similarly, a hydrophilic oxide coating is disposed over and contacts the transparent electrically conductive oxide. Finally, a removable protective coating is disposed over the hydrophilic oxide coating.05-24-2012
20120125421LOW COST SOLAR CELL MANUFACTURE METHOD EMPLOYING A REUSABLE SUBSTRATE - A reusable substrate and method for forming single crystal silicon solar cells are described. A method of forming a photovoltaic cell includes forming an intermediate layer on a monocrystalline silicon substrate, forming a monocrystalline silicon layer on the intermediate layer, and forming electrical features in the monocrystalline silicon layer. The method further includes forming openings in the monocrystalline silicon layer, and detaching the monocrystalline silicon layer from the substrate by selectively etching the intermediate layer through the openings.05-24-2012
20120125434METHOD FOR FORMING ELECTRODE OF SOLAR BATTERY, METHOD FOR MANUFACTURING SOLAR BATTERY, AND SOLAR BATTERY - A method for forming an electrode of a solar battery on an electrode forming face of a semiconductor substrate, comprises: applying a resin containing a conductor material to be the electrode onto an electrode forming region of the electrode forming face; causing a pattern transfer member, on which a reverse pattern obtained by reversing a pattern of the electrode is formed, to face the electrode forming face, and registering the pattern transfer member on a position in which the electrode is to be formed in the electrode forming face; pressing the pattern transfer member against the electrode forming face to transfer the electrode pattern to the resin containing the conductor material; separating the pattern transfer member from the resin containing the conductor material; and baking the electrode pattern transferred to the resin containing the conductor material to form the electrode on the electrode forming face of the substrate.05-24-2012
20120125433GRID-LINE-FREE CONTACT FOR A PHOTOVOLTAIC CELL - Electrical contact to the front side of a photovoltaic cell is provided by an array of conductive through-substrate vias, and optionally, an array of conductive blocks located on the front side of the photovoltaic cell. A dielectric liner provides electrical isolation of each conductive through-substrate via from the semiconductor material of the photovoltaic cell. A dielectric layer on the backside of the photovoltaic cell is patterned to cover a contiguous region including all of the conductive through-substrate vias, while exposing a portion of the backside of the photovoltaic cell. A conductive material layer is deposited on the back surface of the photovoltaic cell, and is patterned to form a first conductive wiring structure that electrically connects the conductive through-substrate vias and a second conductive wiring structure that provides electrical connection to the backside of the photovoltaic cell.05-24-2012
20120125428ALUMINUM-BORON SOLAR CELL CONTACTS - Formulations and methods of making solar cells are disclosed. In general, the invention provides a solar cell comprising a contact made from a mixture wherein, prior to firing, the mixture comprises at least one aluminum source, at least one boron source, and about 0.1 to about 10 wt % of a glass component. Within the mixture, the overall content of aluminum is about 50 wt % to about 85 wt % of the mixture, and the overall content of boron is about 0.05 to about 20 wt % of the mixture.05-24-2012
20120125427SOLAR CELL, AND METHOD FOR PRODUCING SAME - Provided are a solar cell a solar cell having high light absorbance and power conversion efficiency and a method for producing the solar cell. The solar cell includes a substrate, a first electrode disposed on the substrate, a photoactive layer disposed on the first electrode, and a second electrode disposed on the photoactive layer. The photoactive layer includes an electron acceptor and at least two electron donors.05-24-2012
20120125426COMPOUND SEMICONDUCTOR SOLAR CELL - Provided is a compound semiconductor solar cell. The compound semiconductor solar cell may include a back electrode provided on a substrate, a hole injection layer provided on the back electrode, a copper indium gallium selenide (CIGS) based optical absorption layer provided on the hole injection layer, and a front transparent electrode provided on the optical absorption layer.05-24-2012
20120125425COMPOUND SEMICONDUCTOR SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - Provided is a compound semiconductor solar cell. The compound semiconductor solar cell includes: an impurity diffusion preventing layer disposed on a substrate, added with an alkali component, and formed of a metal layer of one of Cr, Co, or Cu; a rear electrode disposed on the impurity diffusion preventing layer and formed of Mo; a CIGS based light absorbing layer disposed on the rear electrode; and a front transparent electrode disposed on the light absorbing layer.05-24-2012
20120125422GEL ELECTROLYTE FOR DYE SENSITIZED SOLAR CELL AND DYE SENSITIZED SOLAR CELL INCLUDING THE GEL ELECTROLYTE - A gel electrolyte for a dye sensitized solar cell and a dye sensitized solar cell including the gel electrolyte. The gel electrolyte includes: a redox couple generated from a polymer-iodine complex and an iodide salt; inorganic nanoparticles; and a high-viscosity organic solvent.05-24-2012
20100243043Light Absorbing Layer Of CIGS Solar Cell And Method For Fabricating The Same - A light absorbing layer of a CIGS solar cell and a method for fabricating the same are provided. According to the present invention, a cuprous sulfide layer is prepared by a sputtering process. Then, a CIGS sol-gel solution is provided onto the cuprous sulfide layer by an immersion coating, spin coating, printing, or spray coating process. The CIGS sol-gel solution is then baked to form a plurality of a CIGS stack layers containing copper (Cu), indium (In), gallium (Ga), and selenium (Se). A rapid thermal process is then conducted for melting the cuprous sulfide layer and the CIGS stack layers to form a copper/indium/gallium/sulfur/selenium (CIGSS) light absorbing layer. The CIGSS light absorbing layer is provided for a solar cell to improve the photoelectric transformation efficiency and the light absorbance.09-30-2010
20100186813Photovoltaic module - For fastening the contact strip (07-29-2010
20120247556DSC SOLAR CELL - The present invention relates to a DSC type solar cell comprising a pair of electrodes serving as anode and cathode, respectively, between which an electrolytic solution is arranged, wherein the anode comprises a supporting member on which a metal oxide layer comprising powders of titanium dioxide and nanozeolites is arranged. The average diameter of the powders of titanium dioxide is comprised between 3 and 30 nm and the average diameter of at least the ten percent of the added powders of nanozeolites is comprised between 200 and 400 nm. Thanks to this particular configuration of the anode, the DSC cell of the invention allows to improve the conversion efficiency of the light into electric energy.10-04-2012
20120247552PHOTOELECTRIC CONVERSION ELEMENT - A photoelectric conversion element includes a photoelectric conversion layer to include a first metal layer, a semiconductor layer, and a second metal layer, all of which are laminated. In addition, at least one of the first metal layer and the second metal layer is a nano-mesh metal having a plurality of through holes or a dot metal having a plurality of metal dots arranged separately from each other on the semiconductor layer. The photoelectric conversion layer includes a long-wavelength absorption layer containing an impurity which is different from impurities for p-type doping and n-type doping of the semiconductor layer. The long-wavelength absorption layer is within a depth of 5 nm from the nano-mesh metal or the dot metal.10-04-2012
20120247550CONDUCTIVE PASTE AND ELECTRONIC DEVICE AND SOLAR CELL INCLUDING AN ELECTRODE FORMED USING THE CONDUCTIVE PASTE - According to example embodiments, a conductive paste includes a conductive component that contains a conductive powder and a titanium (Ti)-based metallic glass. The titanium-based metallic glass has a supercooled liquid region of about 5K or more, a resistivity after crystallization that is less than a resistivity before crystallization by about 50% or more, and a weight increase by about 0.5 mg/cm10-04-2012
20120247551SOLAR CELL MODULE AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein are a solar cell module and a method for manufacturing the same. According to an exemplary embodiment of the present invention, there is provided a solar cell module, including: a solar cell having electrode patterns formed on at least one surface thereof; and a parylene coating layer(s) forming a light transmissive passivation layer on at least a front surface of the solar cell. According to another exemplary embodiment of the present invention, there is provided a method for manufacturing a solar cell module, including: (a) preparing a solar cell having electrode patterns formed on at least one surface thereof; and (b) forming a light transmissive passivation layer by coating parylene on at least a front surface of the solar cell.10-04-2012
20120211076SOLAR CELL - Disclosed is a solar cell wherein generation of internal stress is reduced, thereby reducing crystal defects and recombination loss. Specifically disclosed is a solar cell having an antireflective film and an external lead-out electrode on the light-receiving side of a semiconductor substrate that is provided with a p-n junction, while comprising an electrode layer on the non-light-receiving side of the semiconductor substrate. The solar cell is characterized in that the electrode layer is in the form of a solid layer and has a thickness of not more than 5 μm. It is preferable that the electrode layer has a sheet resistance of not more than 1×10−4 Ω/□.08-23-2012
20100288356Photoactive compositions containing plasmon-resonating nanoparticles - Disclosed herein are photoactive compositions that include a semiconductor and plasmon-resonating nanoparticles that are capable of concentrating light at a wavelength that is substantially the same as the wavelength of light necessary to promote an electron from a valance band to a conduction band in the semiconductor. As such, the plasmon-resonating nanoparticles direct light to the band gap of the semiconductor at an increased intensity (relative to when such nanoparticles are not present). And because of that increased intensity, the photoactive composition can be more efficiently used to catalyze a photochemical reaction or generate electrical potential in a photovoltaic cell.11-18-2010
20100288355SILICON NITRIDE DIFFUSION BARRIER LAYER FOR CADMIUM STANNATE TCO - A photovoltaic device can include a transparent conductive oxide layer adjacent to a substrate and a barrier layer, which can include a silicon-containing material.11-18-2010
20100288352INTEGRATED SOLAR CELL NANOARRAY LAYERS AND LIGHT CONCENTRATING DEVICE - An integrated energy conversion device includes a nanoarray layer having a plurality of nanofeatures disposed in a pattern. The nanoarray layer is configured to modify a selected one of a direction and a wavelength of photons of light incident on a surface of the nanoarray layer. The nanoarray layer has a surface. A first material is disposed adjacent to and optically coupled to one region of the surface of the nanoarray layer. A second material is disposed adjacent to and optically coupled to a second region of the surface of the nanoarray layer. At least a selected one of the first material and the second material includes a photovoltaic layer which is configured to provide an integrated solar cell electrical output voltage and an integrated solar cell electrical output current between an integrated solar cell positive output terminal and an integrated solar cell negative output terminal.11-18-2010
20100288351THIN-FILM SOLAR CELL - The thin-film solar cell includes at least one Na11-18-2010
20100206377ATTACHMENT SYSTEM OF PHOTOVOLTAIC CELL TO FLUOROPOLYMER STRUCTURAL MEMBRANE - The invention describes an extensible membrane system to which a photovoltaic device is removably attached via hook and loop fabric, or equivalent thereof.08-19-2010
20100288349THIN FILM SOLAR CELL AND FABRICATION METHOD THEREOF - A thin film solar cell having an active area and a dead area is provided. The thin film solar cell includes a first substrate, a first conductive layer, an photovoltaic layer, a second conductive layer, a first passivation layer, and a second passivation layer. The first conducting layer, the photovoltaic layer, the second conductive layer, and the first passivation layer are respectively disposed on the first substrate, the first conductive layer, the photovoltaic layer, and the second conductive layer, and all of them are located in the active area. The second passivation layer is disposed on a peripheral of the photovoltaic layer and located in the dead area, so as to avoid the photovoltaic layer from contacting with moisture in air. A fabrication method of the thin film solar cell is also provided.11-18-2010
20100206371REFLECTIVELY COATED SEMICONDUCTOR COMPONENT, METHOD FOR PRODUCTION AND USE THEREOF - The invention relates to a reflectively coated semiconductor component which has a semiconductor layer, a functional layer which substantially comprises silicon and carbon, and at least one further layer which substantially comprises silicon and carbon. This further layer functions as reflector for light incident upon the semiconductor component. The invention also relates to a method for the production of semiconductor components of this type. Semiconductor components are used in particular as solar cells or as components of sensors or optical filters.08-19-2010
20100206376SOLAR CELL, METHOD AND APPARATUS FOR MANUFACTURING SOLAR CELL, AND METHOD OF DEPOSITING THIN FILM LAYER - A solar cell, a method and apparatus for manufacturing a solar cell, and a method of depositing a thin film layer are disclosed. The manufacturing apparatus of a solar cell includes a substrate; a first electrode disposed on the substrate; a second electrode; and a photoelectric conversion layer disposed between the first electrode and the second electrode, wherein the photoelectric conversion layer includes a micro-crystalline silicon layer, and sensitivity of the micro-crystalline silicon layer is about 100 to about 1,000, the sensitivity being a ratio expressed as photo conductivity (PC)/dark conductivity (DC).08-19-2010
20100206375THIN FILM SOLAR CELL HAVING OPAQUE AND HIGHLY REFLECTIVE PARTICLES AND MANUFACTURING METHOD THEREOF - A thin film solar cell having opaque and highly reflective particles and a manufacturing method thereof are provided. The thin film solar cell at least includes a substrate, a front electrode layer, a first photo-electric converting layer, a second photo-electric converting layer, and a back electrode layer. The particles are made of a highly conductive material, disposed between the first photo-electric converting layer and the second photo-electric converting layer, and distributed in a discontinuous manner. When an incident light strikes the surfaces of the particles, the incident light is reflected within the first photo-electric converting layer and the second photo-electric converting layer so as to increase the propagation path of the incident light through the first photo-electric converting layer and the second photo-electric converting layer.08-19-2010
20100206374PLASTICIZED FILMS BASED ON POLYVINYL ACETAL HAVING AN INCREASED GLASS TRANSITION TEMPERATUARE AND IMPROVED FLOW PROPERTIES - Plasticizer-containing films of polyvinyl acetal having a plasticizer content of a maximum of 26% by weight and containing a mixture of at least one high-viscosity polyvinyl acetal having a viscosity of 40-300 mPas and at least one low-viscosity polyvinyl acetal having a viscosity of 5-500 mPas are suitable for the production of photovoltaic modules.08-19-2010
20100206370Photovoltaic Cell Efficiency Using Through Silicon Vias - A photovoltaic cell includes a photovoltaic layer having a first node and a second node. A first conductive layer is electrically coupled to the second node of the photovoltaic layer so the first conductive layer does not block light from the photovoltaic layer. A second conductive layer is adjacent to but electrically insulated from the first conductive layer, so the second conductive layer is positioned where it does not block light from the photovoltaic layer. At least one through silicon via is electrically coupled to the first node of the photovoltaic layer and the second conductive layer, but is electrically insulated from at least a portion of the photovoltaic layer and the first conductive layer.08-19-2010
20100288347SEALING FILM FOR SOLAR CELL - Sealing film for solar cell which prevents conducting wires and electrodes of the solar cell from rusting and thereby enable the solar cell to retain its high photovoltaic performance for a long period. A light receiving surface sealing film for solar cell comprising ethylene-vinyl acetate copolymer, a cross-linking agent and an acid acceptor. A rear surface sealing film for solar cell comprising ethylene-vinyl acetate copolymer, a cross-linking agent and an acid acceptor, wherein the acid acceptor is contained in the range of not less than 0.5 parts by weight based on 100 parts by weight of ethylene-vinyl acetate copolymer.11-18-2010
20120211072Solar Cell And Method Of Manufacturing Same - Example embodiments of a solar cell including a semiconductor substrate, an N emitter layer formed on a light-absorbing surface of the semiconductor substrate, a p+ region formed on the light-absorbing surface of the semiconductor substrate, a first electrode electrically connected to the p+ region, a second electrode separately formed from the first electrode on the light-absorbing surface of the semiconductor substrate and electrically connected to the N emitter layer, and an auxiliary layer inducing an N+ back surface field (BSF) on the opposite surface to the light-absorbing surface of the semiconductor substrate, and a method of manufacturing the solar cell are provided.08-23-2012
20120211075ORGANIC PHOTOVOLTAIC CELL AND METHOD FOR MANUFACTURING THEREOF - Provided is an organic photoelectric cell having excellent electrical characteristics. An organic photovoltaic cell (08-23-2012
20120211074Coated Nanoparticles and Quantum Dots for Solution-Based Fabrication of Photovoltaic Cells - CIGS absorber layers fabricated using coated semiconducting nanoparticles and/or quantum dots are disclosed. Core nanoparticles and/or quantum dots containing one or more elements from group 13 and/or IIIA and/or VIA may be coated with one or more layers containing elements group IB, IIIA or VIA. Using nanoparticles with a defined surface area, a layer thickness could be tuned to give the proper stoichiometric ratio, and/or crystal phase, and/or size, and/or shape. The coated nanoparticles could then be placed in a dispersant for use as an ink, paste, or paint. By appropriate coating of the core nanoparticles, the resulting coated nanoparticles can have the desired elements intermixed within the size scale of the nanoparticie, while the phase can be controlled by tuning the stochiomctiy, and the stoichiometry of the coated nanoparticle may be tuned by controlling the thickness of the coating(s).08-23-2012
20120211073SOLAR CELL - A method of fabricating a solar cell includes steps of: forming an amorphous carbon layer, an AlN layer and a first n-type nitride semiconductor layer on the surface of the graphite substrate, forming a mask layer with a plurality of openings on the first n-type nitride semiconductor layer; forming a plurality of second n-type nitride semiconductor layers on the portions of the first n-type nitride semiconductor layer which are exposed by the plurality of openings; forming a plurality of light absorption layers on the plurality of second n-type nitride semiconductor layers; forming a plurality of p-side nitride semiconductor layers on the plurality of the light absorption layers; forming a p-side electrode; and forming an n-side electrode.08-23-2012
20120132270METAL ADHESION - A solar cell has a metal contact formed to electrically contact a surface of semiconductor material forming a photo-voltaic junction. The solar cell includes a surface region or regions of heavily doped material and the contact comprises a contact metallisation formed over the heavily doped regions to make contact thereto. Surface keying features are located in the semiconductor material into which the metallisation extends to assist in attachment of the metallisation to the semiconductor material.05-31-2012
20120132273METHOD FOR PREPARATION OF FRONT ELECTRODE FOR SOLAR CELL OF HIGH EFFICIENCY - Disclosed is a method for manufacturing a front electrode for solar cells including: filling a paste for forming electrodes in a mold in which a depression pattern corresponding to a pattern of a front electrode is imprinted, drying the paste and bringing an adhesive film in contact with the paste to transfer the paste from the mold, adding the adhesive film to the semiconductor substrate such that the paste is directed toward a semiconductor substrate, and baking the paste transferred from the adhesive film to form a front electrode on the semiconductor substrate.05-31-2012
20120132272SOLUTION PROCESSED METAL OXIDE THIN FILM HOLE TRANSPORT LAYERS FOR HIGH PERFORMANCE ORGANIC SOLAR CELLS - A method for the application of solution processed metal oxide hole transport layers in organic photovoltaic devices and related organic electronics devices is disclosed. The metal oxide may be derived from a metal-organic precursor enabling solution processing of an amorphous, p-type metal oxide. An organic photovoltaic device having solution processed, metal oxide, thin-film hole transport layer.05-31-2012
20120132271PHOTOELECTRIC CONVERSION DEVICE AND MANUFACTURING METHOD THEREOF - In a method for manufacturing a photoelectric conversion device, a method for forming an embedded electrode is provided, which is suitable for a groove with a high aspect ratio. A first groove and a second groove intersecting with the first groove are formed in a crystalline silicon substrate, an i-type first silicon semiconductor layer, a second silicon semiconductor layer with one conductivity type, and a light-transmitting conductive film are sequentially formed on the surface of the crystalline silicon substrate and on the grooves, a conductive resin is injected into the first groove, and the second groove is filled with the conductive resin by a capillary action to form a grid electrode.05-31-2012
20120132269GLASS SUBSTRATES FOR HIGH TEMPERATURE APPLICATIONS - A glass substrate may be processed at high temperatures without substantially losing its thermal-strengthening characteristics or deforming. In some examples, the glass substrate exhibits an increased annealing point and/or softening point as compared to standard glass substrates. In some examples, the glass substrate includes a relatively high amount of CaO and/or MgO, and/or a relatively low amount of Na05-31-2012
20120132268ELECTRODE, PHOTOVOLTAIC DEVICE, AND METHOD OF MAKING - In one aspect of the present invention, a transparent electrode, is presented. The transparent electrode includes a substrate and a transparent layer disposed on the substrate. The transparent layer includes (a) a first region including cadmium tin oxide; (b) a second region including tin and oxygen; and (c) a transition region including cadmium, tin, and oxygen interposed between the first region and the second region, wherein an atomic ratio of cadmium to tin in the transition region varies across a thickness of the transition region. The second region further has an electrical resistivity greater than an electrical resistivity of the first region. A photovoltaic device, a photovoltaic module, a method of making is also presented.05-31-2012
20120132267Photoelectric conversion device and electronic equipment - A photoelectric conversion device provided with an electron transport layer having an excellent electron transport ability and having an excellent photoelectric conversion efficiency, and electronic equipment provided with such a photoelectric conversion device and having a high reliability are provided. A solar cell, to which the photoelectric conversion device is applied, has a first electrode provided on a substrate, a second electrode arranged opposite to the first electrode and retained on a facing substrate, an electron transport layer provided between these electrodes and positioned on the side of the first electrode, a dye layer being in contact with the electron transport layer, and an electrolyte layer provided between the electron transport layer and the second electrode and being in contact with the dye layer. The electron transport layer is constituted of a monocrystalline material of multiple oxide as a main component thereof. Further, it is preferred that the monocrystalline material of multiple oxide has a layer structure in a crystal structure thereof.05-31-2012
20120132276DYE SENSITIZED SOLAR CELL AND DYE SENSITIZED SOLAR CELL MODULE USING THE SAME - The invention relates to a dye-sensitized solar cell and a module using the same and more particularly, to a dye-sensitized solar cell in which a photoelectrode substrate and a catalyst electrode substrate are spaced apart from each other by a separating space and coupled together by an encapsulating material and the separating space is filled with an electrolyte, characterized in that the electrolyte contains optical beads, and a module using the same. Thus, light passing through the photoelectrode substrate is refracted or reflected by the optical beads, and irradiated onto the photoelectrode substrate, thereby to improve the efficiency of the solar cell. Particularly, the efficiency of a dye-sensitized solar cell for a BIPV system is more effectively improved, said solar cell not having a separate scattering layer for maintaining the translucency thereof. If the optical beads are colored, solar cells with a variety of colors can be obtained, which achieves an aesthetic enhancement for a building adopting the BIPV system.05-31-2012
20120132274PROCESS FOR THE PRODUCTION OF A STRUCTURED METALLIC COATING - The invention relates to a process for the production of a structured electrically conductive coating on a substrate, in which first a monolayer or oligolayer of a surface-hydrophobizing substance is applied to a surface of the substrate and then a substance comprising electrically conductive particles is applied to the substrate according to a predetermined pattern. The invention furthermore relates to a use of the process for the production of solar cells or circuit boards and to an electronic component comprising a substrate to which a structured electrically conductive surface is applied, a monolayer or oligolayer of a surface-hydrophobizing material being applied to the substrate and the structured electrically conductive surface being applied to the monolayer or oligolayer.05-31-2012
20120160317POLYIMIDE POLYMER SOLUTION, POLYIMIDE POLYMER, TRANSPARENT FILM, DISPLAYING DEVICE AND SOLAR CELL - A polyimide polymer solution, a polyimide polymer, a transparent film, a display device and a solar cell are provided. The polyimide polymer has at least one of a repeating unit of formula (D) and a repeating unit of formula (J) and at least one of a repeating unit of formula (Q) and a repeating unit of formula (T).06-28-2012
20120160319SOLAR BATTERY AND METHOD OF MANUFACTURING THE SAME - In a solar battery including: a photoelectric conversion layer that converts light into electricity; and a reflecting electrode layer that is provided on an opposite side of a light incident side in the photoelectric conversion layer and reflects light passed through the photoelectric conversion layer to the photoelectric conversion layer side, to realize a reflecting electrode layer having excellent adhesion and thermal corrosion resistance, stable electrical characteristics and satisfactory light reflection characteristics and to obtain a solar battery having high reliability, excellent electrical characteristics and optical characteristics, the reflecting electrode layer includes, on the photoelectric conversion layer side, a metal layer containing silver as a main component and containing nitrogen.06-28-2012
20120160318SOLAR CELL APPARATUS AND METHOD OF FABRICATING THE SAME - Disclosed are a solar cell apparatus and a method of fabricating the same. The solar cell apparatus includes a support substrate, a back electrode layer on the support substrate, a light absorbing layer covering the back electrode layer while exposing a first expose region of the back electrode layer, and a window layer covering the light absorbing layer while exposing a second expose region of the light absorbing layer. The above layers are formed by moving one mask at a predetermined pitch. The layers have step difference from each other, and are stacked on each other so that the layers are offset from each other by the predetermined pitch. The solar cell apparatus is fabricated by using one mask, so that the solar cell apparatus is very easily formed.06-28-2012
20120160316REFLECTION BLOCKING FILM AND METHOD OF MANUFACTURING THE SAME - A reflection blocking film provided on a solar cell includes a transparent substrate with a plurality of patterns having incident light collected on the top surface thereof, and a reflector on the bottom surface of the transparent substrate and with holes through which the collected incident light is transmitted. A method of manufacturing a reflection blocking film includes: forming a plurality of patterns on the top surface of a transparent substrate; coating a photo resin on a bottom surface of the transparent substrate; exposing to irradiate light to the top surface of the transparent substrate to react the light collected by the pattern with the photo resin; developing to lift off a portion, which does not receive light, by using a developer during the exposing; coating a reflector on the bottom surface of the transparent substrate; and forming holes by lifting off the photo resin interposed in the reflector.06-28-2012
20120160315THIN FILM SOLAR CELL MODULE AND MANUFACTURING METHOD THEREOF - Discussed are a thin film solar cell module and a method of fabricating the same. A solar cell module includes a substrate; and a transparent electrode layer. The transparent electrode layer in turn includes a first electrode layer provided on the substrate; and a second electrode layer provided on the first electrode layer, wherein the first electrode layer and the second electrode layer are made of different materials and the second electrode layer is locally formed on portions of the first electrode layer. Accordingly, the transparent electrode layer exhibits improved transmittance of monochromatic light as well as increased light scattering, thereby enhancing efficiency of the thin film solar cell module.06-28-2012
20120216860INTERCONNECTION SHEET, SOLAR CELL WITH INTERCONNECTION SHEET, SOLAR CELL MODULE, AND INTERCONNECTION SHEET ROLL - Provided are an interconnection sheet, a solar cell with the interconnection sheet, and a solar cell module. In the interconnection sheet, a wire for p type and a wire for n type are disposed in a second direction alternately one by one with a distance therebetween to configure an alternating array portion, and an outflow suppression portion is provided outside the alternating array portion. Also provided are a solar cell with an interconnection sheet having a bonding layer provided between a back electrode type solar cell and the interconnection sheet, and the outflow suppression portion provided outside the bonding layer, as well as a solar cell module using the solar cell with the interconnection sheet.08-30-2012
20120216859BACK SHEET FOR SOLAR CELL, AND SOLAR CELL MODULE - An object of the present invention is to provide a back sheet for a solar cell that improves weather resistance while also being advantageous in terms of cost. In a back sheet 08-30-2012
20120312366FIRE RESISTANT BACK-SHEET FOR PHOTOVOLTAIC MODULE - A back-sheet for a photovoltaic module comprises a fire resistant sheet adhered to a fluoropolymer film. The fire resistant sheet comprises 40 to 100 weight percent of crystallized mineral silicate platelets based on the weight of the fire resistant sheet, and the fire resistant sheet has an average thickness of at least 75 microns, and more preferably at least 100 microns. The crystallized mineral silicate platelets of the fire resistant sheet are selected from the group of mica, vermiculite, clay, talc, and combinations thereof. A photovoltaic module made with such a back-sheet is also disclosed.12-13-2012
20120247549SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes: a light absorbing layer, a semiconductor layer disposed on a first surface of the light absorbing layer, a first electrode disposed on the semiconductor layer in a first direction of the semiconductor layer, a first passivation layer disposed on a second surface of the light absorbing layer, a second passivation layer disposed on the first passivation layer in a second direction opposite to the first direction of the semiconductor layer, a contact hole disposed in the first passivation layer and the second passivation layer and exposing a portion of the light absorbing layer, and a second electrode disposed on the second passivation layer in the second direction of the second passivation layer and connected with the light absorbing layer through the contact hole. The second passivation layer is made of a compound containing carbon.10-04-2012
20120247548SOLAR CELL AND METHOD OF FABRICATING THE SAME - A method of fabricating a solar cell includes forming an emitter layer of a second conductive type on a front surface and a back surface of a substrate of a first conductive type opposite to the second conductive type, forming an anti-reflection layer on the front surface of the substrate, partially removing the anti-reflection layer and the emitter layer to form an isolation groove dividing the emitter layer into a plurality of regions, removing a portion of the emitter layer formed on the back surface of the substrate, and forming a passivation layer covering the isolation groove and the back surface of the substrate.10-04-2012
20110180139PASTE COMPOSITION FOR ELECTRODE AND PHOTOVOLTAIC CELL - The paste composition for an electrode of the first aspect of the present invention includes silver alloy particles, glass particles, a resin, and a solvent. The paste composition for an electrode of the second aspect of the present invention includes copper particles, silver or silver alloy particles, glass particles containing P07-28-2011
20110180130Highly-conductive and textured front transparent electrode for a-si thin-film solar cells, and/or method of making the same - Certain example embodiments incorporate a “hybrid” design for the front electrode of solar cells, which advantageously combines naturally textured pyrolytic tin oxide and highly-conductive sputtered indium tin oxide (ITO). In certain example embodiments of this invention, a method of making a front electrode superstrate for a solar cell is provided. A glass substrate is provided. A layer of tin oxide is pyrolytically deposited on the glass substrate, with the layer of tin oxide being textured as a result of the pyrolytic deposition and with the layer of tin oxide being haze producing. A layer of indium tin oxide (ITO) is sputter-deposited on the layer of tin oxide, with the layer of ITO being generally conformal with respect to the layer of tin oxide. An amorphous silicon (a-Si) thin film layer stack is formed on the layer of ITO in making the front electrode superstrate.07-28-2011
20110180141DYE-SENSITIZED SOLAR CELL - [Problem] To provide a dye-sensitized solar cell having excellent photoelectric conversion efficiency and capable of saving the amount of a catalyst used, by using an inexpensive metal material showing excellent corrosion resistance in an electrolyte of a dye-sensitized solar cell for a counter electrode.07-28-2011
20110180140SUPRAMOLECULAR STRUCTURES COMPRISING AT LEAST PARTIALLY CONJUGATED POLYMERS ATTACHED TO CARBON NANOTUBES OR GRAPHENES - A composition of matter includes at least one carbon nanotube (CNT) or a graphene type structure having an outer surface, and a plurality of crystalline polymer supramolecular structures that include a conjugated polymer that are non-covalently secured to the outer surface of the CNTs or the graphene type structure. The conjugated polymer can be a conjugated homopolymer or a block copolymer including at least one conjugated block. The supramolecular structures extend outward from the outer surface of the CNTs or graphene type structures.07-28-2011
20110180138PASTE COMPOSITION FOR ELECTRODE AND PHOTOVOLTAIC CELL - The paste composition for an electrode includes metal particles having copper as a main component, glass particles including diphosphorus pentoxide and divanadium pentoxide and having a content of divanadium pentoxide of 1% by mass or more, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for an electrode.07-28-2011
20110180137PASTE COMPOSITION FOR ELECTRODE AND PHOTOVOLTAIC CELL - The paste composition for an electrode are constituted with metal particles having copper as a main component, a phosphorous-containing compound, glass particles, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for an electrode.07-28-2011
20110180136THIN FILM SOLAR CELL STRUCTURE AND METHOD OF PATTERNING ELECTRODE OF THE SAME - A thin film solar cell structure comprises a substrate, a front electrode layer, an absorber layer, and a back electrode layer stacked on one another sequentially. A first isolation groove goes through the back electrode layer and the absorber layer, and a second isolation groove is disposed concavely in the front electrode layer and filled with an insulative material. A conductive groove is disposed concavely in the absorber layer and filled with a conductive material. Therefore, the front electrode layer is electrically conducted to the back electrode layer via the conductive material. By means of a method of patterning the first isolation groove, second isolation groove and conductive groove, a succinct design of the thin film solar cell structure can be achieved.07-28-2011
20110180133Enhanced Silicon-TCO Interface in Thin Film Silicon Solar Cells Using Nickel Nanowires - This invention provides an optically transparent electrically conductive layer with a desirable combination of low electrical sheet resistance and good optical transparency. The conductive layer comprises a multiplicity of magnetic nanostructures in a plane, aligned into a plurality of roughly parallel continuous conductive pathways, wherein the density of the magnetic nanostructures allows for substantial optical transparency of the conductive layer. The magnetic nanostructures may be nanoparticles, nanowires or compound nanowires. A method of forming the conductive layer on a substrate includes: depositing a multiplicity of magnetic nanostructures on the substrate and applying a magnetic field to form the nanostructures into a plurality of conductive pathways parallel to the surface of the substrate. The conductive layer may be used to provide an enhanced silicon to transparent conductive oxide (TCO) interface in thin film silicon solar cells.07-28-2011
20110180132TEXTURING AND DAMAGE ETCH OF SILICON SINGLE CRYSTAL (100) SUBSTRATES - Methods for texturing of single crystal silicon substrates, particularly for use as solar cells or photovoltaic cells. Texturizing of the wafer surface is carried out with a TMAH based solution. The texturizing solution may further include isopropyl alcohol and ethylene glycol at different dilutions in DI water to further improves results.07-28-2011
20110180131METHOD FOR ATTACHING CONTACTS TO A SOLAR CELL WITHOUT CELL EFFICIENCY LOSS - A method of implanting a substrate and the resulting apparatus are disclosed. The substrate, which may be a solar cell, is implanted with a p-type dopant. The p-type dopant may be, for example, boron, aluminum, gallium, or indium. Contacts are formed over the p-type region that is formed by the implant. An aluminum layer is formed around these contacts such that a surface of the contacts is still exposed. The implant may be a blanket implant across the entire surface of the substrate or a selective implant into a portion of the substrate. The substrate may be either n-type or p-type.07-28-2011
20120167969Zener Diode Within a Diode Structure Providing Shunt Protection - A structure to provide a Zener diode to avoid shunt formation is disclosed. An undoped or lightly doped monocrystalline thin semiconductor lamina is cleaved from a donor body which is not permanently affixed to a support element. The lamina may be annealed at high temperature to remove damage from a prior implant. At least one aperture is formed through the lamina, either due to flaws in the cleaving process, or intentionally following cleaving. Heavily doped amorphous silicon layers having opposite conductivity types are deposited on opposite faces of the lamina, one forming the emitter and one a base contact to a photovoltaic cell, while the lamina forms the base of the cell. The heavily doped layers contact in the aperture, forming a Zener diode. This Zener diode prevents formation of shunts, and may behave as a bypass diode if the cell is placed under heavy reverse bias, as when one cell in a series string is shaded while the rest of the string is exposed to sun.07-05-2012
20120167978SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - The present embodiment relates to a solar cell and a method for manufacturing the same. A solar cell according to an embodiment includes a substrate comprising silicon semiconductor material; an emitter region formed on a rear surface of the substrate; a back surface field region formed on the rear surface of the substrate, wherein the back surface field region comprising a first back surface field region and a second the back surface field region; a first electrode electrically connected to the emitter region; and a second electrode electrically that is connected to the first back surface field region, wherein the second electrode that is not electrically connected to the second back surface field region.07-05-2012
20120167982SOLAR CELL, SOLAR CELL MODULE AND SOLAR CELL SYSTEM - A solar cell includes a crystalline semiconductor substrate having one of a p-type and an n-type material, a p-type semiconductor layer formed on a first principal surface of the substrate, a first transparent conductive film comprising indium oxide containing hydrogen and cerium and formed on the p-type semiconductor layer, an n-type semiconductor layer formed on a second principal surface of the substrate, and a second transparent conductive film comprising indium oxide containing no cerium and formed on the n-type semiconductor layer.07-05-2012
20120167981BACKSIDE PROTECTIVE SHEET FOR SOLAR CELL, METHOD OF MANUFACTURING THE SAME, AND SOLAR CELL MODULE - A backside protective sheet (V′) for a solar cell includes an adhesive agent layer (07-05-2012
20120167979THIN FILM SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a thin film solar cell, which comprises: a substrate; a first electrode disposed on the substrate; a barrier layer disposed on the first electrode, wherein the material of the barrier layer is a conductive material; an ohmic contacting layer disposed on the barrier layer; an absorption layer disposed on the ohmic contacting layer; a buffer layer disposed on the absorption layer; a transparent conductive layer disposed on the buffer layer; and a second electrode disposed on the transparent conductive layer. In addition, the present invention also provides a method for manufacturing the aforementioned thin film solar cell.07-05-2012
20120167976FILM FOR SOLAR CELL BACKSHEET, SOLAR CELL BACKSHEET USING THE SAME, AND SOLAR CELL - A solar backsheet film has a multilayered configuration composed of at least two layers including a layer (hereinafter referred to as layer A) having a surface with a surface resistivity R07-05-2012
20120167975Solar Cell And Method For Manufacturing The Same - A solar cell includes a semiconductor substrate having a texturized surface, the semiconductor substrate including a plurality of recess portions and a plurality of flat portions, an insulation layer on the texturized surface of the semiconductor substrate and an electrode on the plurality of flat portions of the semiconductor substrate. The insulation layer on the plurality of recess portions of the semiconductor substrate is thinner than the insulation layer on the plurality of flat portions of the semiconductor substrate.07-05-2012
20120167974Solar Cell And Method For Manufacturing The Same - A solar cell and method of manufacturing the same includes a semiconductor substrate having a textured surface and including a plurality of recess portions and a plurality of flat portions, an emitter layer in the plurality of recess portions, a first doping region in at least one of the plurality of flat portions, and doped with a first conductive type impurity selected from one of p-type and n-type impurities, a second doping region in at least one of the plurality of flat portions, and doped with a second conductive type impurity selected from one of p-type and n-type impurities that differs from the first conductive type impurity, and first and second electrodes electrically connected to the first and second doping regions, respectively. The distance between the emitter layer and the first doping region is different from the distance between the emitter layer and the second doping region.07-05-2012
20120167973SOLAR CELL - A solar cell includes a semiconductor substrate, a doping layer, a quantum well layer, a first passivation layer, a second passivation layer, a first electrode and a second electrode. The semiconductor substrate has a front surface and a back surface, and the front surface of the semiconductor substrate includes nano-rods. The doping layer covers the surface of the nano-rods. The electrode layers cover the doping layer. The quantum well layer having at least one first doping region and at least one second doping region is disposed on the semiconductor substrate. The quantum well layer includes polycrystalline silicon germanium (Si07-05-2012
20120167972ORGANIC PHOTOVOLTAIC CELL - An organic photovoltaic cell is provided, which includes an organic active layer, a light-transmissive electrode, a reflective electrode, and an optical film. The light-transmissive electrode and the reflective electrode are respectively disposed at two opposite sides of the organic active layer. The optical film and the organic active layer are respectively disposed at two opposite sides of the light-transmissive electrode. The optical film has an inner surface and an outer surface opposite to the inner surface. The transmittance of the optical film is higher than 90% when light enters the optical film from the outer surface. The reflectivity of the inner surface is higher than 10% when the light enters the optical film from the inner surface. The haze of the optical film is higher than 90%.07-05-2012
20120167971Textured coating for thin-film solar cells and/or methods of making the same - Certain example embodiments of this invention relate to a front electrode for solar cell devices (e.g., amorphous silicon or a-Si solar cell devices), and/or methods of making the same. Advantageously, certain example embodiments include a front contact including a transparent conductive oxide layer of aluminum-doped zinc oxide. In certain example embodiments, the AZO-based layer is ion beam treated post-deposition in order to increase its surface energy and/or decrease its contact layer so as to make the layer less hydrophobic. In certain example embodiments, after ion beam treatment, a weak acid may be used to texture the layer of AZO. The reduced contact angle of the layer of AZO may improve its ability to be textured. A semiconductor may be provided over the textured layer of AZO. In certain example embodiments, the textured, ion beam-treated AZO may result in an improved front contact.07-05-2012
20110197966ORGANIC PHOTOELECTRIC CONVERSION ELEMENT AND ORGANIC PHOTOELECTRIC CONVERSION ELEMENT MANUFACTURING METHOD - Provided is an organic photoelectric conversion element having a high photoelectric conversion ratio. Provided is also a method for manufacturing an organic photoelectric conversion element which can significantly reduce the manufacturing cost by forming a transparent electrode and an organic generation layer portion by coating a material. The organic photoelectric conversion element includes on a transparent substrate, a first electrode unit having a transparent conductive layer, an organic generation unit, and a second electrode unit which are successively arranged in this order when viewed from the transparent substrate. The transparent conductive layer constituting the first electrode unit contains conductive fiber and transparent conductive material.08-18-2011
20100051099SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A method of manufacturing a solar cell includes forming jagged portions non-uniformly on a surface of a substrate, forming a first type semiconductor and a second type semiconductor in the substrate, forming a first electrode to contact the first type semiconductor, and forming a second electrode to contact the second type semiconductor. An etchant used in a wet etching process in manufacturing the solar cell includes about 0.5 wt % to 10 wt % of HF, about 30 wt % to 60 wt % of HNO03-04-2010
20100051095Hybrid Photovoltaic Cell Using Amorphous Silicon Germanium Absorbers With Wide Bandgap Dopant Layers and an Up-Converter - A photovoltaic apparatus includes an absorber including a p-layer having a bandgap greater than about 2 eV, an n-layer having a bandgap greater than about 2 eV, and an amorphous SiGe intrinsic layer between the p-layer and the n-layer; a first electrode adjacent to a first side of the absorber; a second electrode adjacent to a second side of the absorber; and an up-converter layer positioned adjacent to the second electrode on an opposite side of the second electrode from the absorber, wherein the up-converter layer includes a plurality of quantum dots of a first material in a matrix of a second material.03-04-2010
20100051100PHOTOVOLTAIC WINDABLE COMPOSITE AND SOLAR PROTECTIVE DEVICE COMPRISING SUCH A COMPOSITE - The object of the present invention is a photovoltaic windable composite comprising at least one photovoltaic cell, a textile panel and a bond layer providing a bonding between said at least one photovoltaic cell and said textile panel. Typically, the exterior side of the textile panel comprises at least two electrically conductive areas separated by a non electrically conductive area, and the bond layer comprises at least two electrically conductive areas emerging on the exterior and interior sides of said bond layer and separated by a non conductive area. Both conductive areas of the bond layer are arranged between the photovoltaic cell and the superior side of the textile panel in order that the positive and negative poles said photovoltaic cell are in electrically conductive connection with both conductive areas of the textile panel.03-04-2010
20100051097GEL ELECTROLYTE AND DYE-SENSITIZED SOLAR CELL USING THE SAME - A gel electrolyte including a non-volatile polymer solvent including hydrogen bonding groups with at least two hydrogen bonding sites, and a dye-sensitized solar cell including the gel electrolyte. The dye-sensitized solar cell includes: opposing first and second electrodes; a porous layer disposed between the first and second electrodes, including an adsorbed dye; and the gel electrolyte, which is disposed between the first and second electrodes.03-04-2010
20100051094COPLANAR SOLAR CELL METAL CONTACT ANNEALING IN PLASMA ENHANCED CHEMICAL VAPOR DEPOSITION - A solar cell fabrication process is described that includes etching a cap layer into a front surface of a semiconductor structure, depositing an anti-reflective coating onto the front surface of the semiconductor structure, forming a front electrical contact on the front surface of the semiconductor structure, forming a first back metal contact on a back surface of the semiconductor structure, utilizing a plasma enhanced chemical vapor deposition (PECVD) process to apply a dielectric layer to the first back metal contact, the PECVD process performed at within a temperature environment and for a duration that allows for the annealing of metal associated with the front electrical contact and the first back metal contact, and attaching at least one secondary electrical contact to the dielectric layer.03-04-2010
20100051093GLASS PANE WITH LIGHT-CAPTURING SURFACE STRUCTURE - Transparent panes made of glass or of synthetic material, which simultaneously create good light trapping properties by linear structural elements and allow a thermal treatment and hardening of the glass without warping. Groups of parallel elements for which the orientation of the longitudinal extension of the elements alternates from one group to another are formed globally on the surface of the substrate. Moreover, the parallel elements can include a curvature superimposed on their longitudinal extension, which makes it possible to obtain a non-oriented reflected image with a weak screen effect. These panes can be used as covering for photovoltaic components designed to use solar energy, and can also serve a decorative purpose in the construction industry, for example for glazed doors or panes for furniture.03-04-2010
20120312370HYBRID DYE-SENSITIZED SOLAR CELL PHOTOANODES BASED ON AQUEOUS SYNTHESIZED TITANIUM DIOXIDE - The invention describes a novel process for the aqueous synthesis of rutile and anatase nanocrystallites, their blending for preparation of a hybrid paste for single-layer (bi-functional) film deposition and the formulation of new water-based TiO12-13-2012
20120312371ELECTRONIC GATE ENHANCEMENT OF SCHOTTKY JUNCTION SOLAR CELLS - Various systems and methods are provided for Schottky junction solar cells. In one embodiment, a solar cell includes a mesh layer formed on a semiconductor layer and an ionic layer formed on the mesh layer. The ionic layer seeps through the mesh layer and directly contacts the semiconductor layer. In another embodiment, a solar cell includes a first mesh layer formed on a semiconductor layer, a first metallization layer coupled to the first mesh layer, a second high surface area electrically conducting electrode coupled to the first metallization layer by a gate voltage, and an ionic layer in electrical communication with the first mesh layer and the second high surface area electrically conducting electrode. In another embodiment, a solar cell includes a grid layer formed on a semiconductor layer and an ionic layer in electrical communication with the grid layer and the semiconductor layer.12-13-2012
20090056799PHOTOVOLTAIC CELLS WITH SELECTIVELY PATTERNED TRANSPARENT CONDUCTIVE COATINGS, AND ASSOCIATED METHODS - A photovoltaic cell comprising a selectively patterned, transparent, conductive coating (TCC) on a sunward surface. The selectively patterned TCC is contiguous with at least some highly conductive gridlines on the sunward surface. A portion of the sunward surface of the semiconductor wafer is not covered by either the gridlines or the TCC. Also disclosed are methods of manufacturing a photovoltaic cell comprising a selectively patterned, transparent, conductive coating (TCC) on a sunward surface. The methods include the step of modeling the optical and electrical properties of the semiconductor, the gridlines, and the TCC to determine a pattern for the TCC that results in a low relative power loss for the photovoltaic cell.03-05-2009
20090056805Photovoltaic Thin-Film Solar Cell and Method Of Making The Same - A photovoltaic device having a front and back orientation and comprising: a crystalline substrate having a resistivity greater than about 0.01 ohm-cm; and an epitaxy thin-film layer in front of said substrate, said thin-film layer contacting said substrate in at least one region to define a p-n junction.03-05-2009
20100126582CONDUCTIVE REFLECTIVE FILM AND PRODUCTION METHOD THEREOF - A conductive reflective film which is formed by calcining a substrate on which a composition containing metal nanoparticles is coated, the conductive reflective film including pores which appear on the film contact surface in the substrate side having an average diameter of 100 nm or less, an average depth of 100 nm or less in terms of position of the pores, and a number density of the pores of 30 pores/μm05-27-2010
20080210300Method of Producing Substrate for Thin Film Photoelectric Conversion Device, and Thin Film Photoelectric Conversion Device - This invention provides a method of producing a substrate for a thin film photoelectric conversion device, the substrate being able to make it possible to fabricate the thin film photoelectric conversion device free from lowering in its open-circuit voltage or its fill factor even when the substrate includes a transparent conductive film that is mainly composed of zinc oxide and has a relatively large haze ratio for causing a large optical confinement effect. The method of producing the substrate for the thin film photoelectric conversion device according to the present invention is characterized in that a transparent conductive film formed on a transparent insulator base, which is mainly composed of zinc oxide and having a haze ratio of at least 5%, is etched with an acid or alkali solution. Output properties of the thin film photoelectric conversion device fabricated using the substrate is improved because the etching with acid or alkali can remove steep protrusions, which cause decrease in Voc or FF, in a textured structure on a surface of the film.09-04-2008
20100012185Method for the Manufacture of a Solar Cell and the Resulting Solar Cell - In a method for the production of a solar cell, a flat aluminium layer is applied to the back of a solar cell substrate. The aluminium is alloyed into the silicon substrate by the effect of the temperature and forms an aluminium BSF. The remaining aluminium that has not been alloyed into the silicon is subsequently removed. The aluminium BSF is transparent to light.01-21-2010
20100012184PHOTOELECTRIC CONVERTING DEVICE - A photoelectric converting device comprises: a first electrode layer having conductivity; a metal filled dielectric layer formed on said first electrode layer and comprising a dielectric base material in which a plurality of micropores are formed, and a plurality of conductive fine metal bodies made of a metal material which fills said plurality of micropores formed in said dielectric base material; a photoelectric converting layer that is formed on said metal filled dielectric layer and is made of a photoelectric converting material; and a second electrode layer having conductivity that is formed on said photoelectric converting layer; each of said fine metal bodies including a protruding unit that protrudes from said dielectric base material to within said photoelectric converting layer, and being electrically connected to said first electrode layer; said photoelectric converting layer covering said protruding unit of each of said fine metal bodies.01-21-2010
20100012182Dye sensitized solar cell and method of fabricating the same - A method for easily forming a dye-sensitized solar cell having a thick porous layer without increasing a thickness of a collector electrode. The dye-sensitized solar cell includes a light transmissive substrate and a plurality of recesses formed on the light transmissive substrate. Each recess has an opening partitioned by a partition wall. The solar cell also includes a collector electrode that covers the partition wall. The collector electrode has an end face on a bottom surface of the recess. The solar cell also includes a porous layer that covers the light transmissive substrate within each recess and the collector electrode. At least one kind of sensitizing dye is absorbed in the porous layer.01-21-2010
20100012181Dye-sensitized solar cell and method of manufacturing same - A method of readily forming a dye-sensitized solar cell having a porous layer of increased thickness. The dye-sensitized solar cell includes a translucent substrate, and a plurality of collecting electrode traces formed on the translucent substrate. The solar cell also includes a trench that is trapezoidal in cross-section and is formed on the translucent substrate between the collecting electrode traces. The solar cell also includes a porous layer upon which a sensitizing dye is adsorbed. The porous layer covers the translucent substrate within the trench and the collecting electrode traces.01-21-2010
20100012180ENCAPSULATING AND TRANSFERRING LOW DIMENSIONAL STRUCTURES - A method of encapsulating low dimensional structures comprises forming a first group (01-21-2010
20100012179SOLAR CELL WITH HIGH PHOTON UTILIZATION AND METHOD OF MANUFACTURING THE SAME - A solar cell with high photon utilization includes a substrate, a transparent conductive oxide layer, an anti-reflection coating (ARC) layer and at least one main charge collecting line. The substrate has a front side and a back side. The substrate has a first-type semiconductor layer close to the back side and a second-type semiconductor layer close to the front side. The transparent conductive oxide layer is formed on the front side. The ARC layer is formed on the transparent conductive oxide layer. The main charge collecting line penetrates through the ARC layer and projects from the ARC layer, and the main charge collecting line is electrically connected to the transparent conductive oxide layer. A method of manufacturing the solar cell is also disclosed.01-21-2010
20100269902Collector grid and interconnect structures for photovoltaic arrays and modules - An interconnected arrangement of photovoltaic cells is achieved using laminating current collector electrodes. The electrodes comprise a pattern of conductive material extending over a first surface of sheetlike substrate material. The first surface comprises material having adhesive affinity for a selected conductive surface. Application of the electrode to the selected conductive surface brings the first surface of the sheetlike substrate into adhesive contact with the conductive surface and simultaneously brings the conductive surface into firm contact with the conductive material extending over first surface of the sheetlike substrate. Use of the laminating current collector electrodes allows facile and continuous production of expansive area interconnected photovoltaic arrays.10-28-2010
20100269901Method of making a photovoltaic device with scratch-resistant coating and resulting product - A method of making an anti-reflection coating using a sol-gel process, for use in a photovoltaic device or the like. The method may include the following steps in certain example embodiments: forming a polymeric component of silica by mixing silane(s) with one or more of a first solvent, a catalyst, and water; forming a silica sol gel by mixing the polymeric component with a colloidal silica, and optionally a second solvent; forming a metal oxide sol by mixing silane(s) with a metal oxide, a second catalyst, and a third solvent; forming a combined sol by mixing the metal oxide sol with the silica sol; casting the mixture by spin coating or the like to form a silica and metal oxide containing layer on a substrate; and curing and/or heat treating the layer. This layer may make up all or only part of an anti-reflection coating which may be used in a photovoltaic device or the like.10-28-2010
20090000661Dye Sensitized Solar Cell - An object of the present invention is to provide an enlarged dye sensitized solar cell which has a short-circuit preventing structure while a distance between a transparent conductive oxide and a counter electrode, that is, a cell gap is shortened.01-01-2009
20120073647SOLAR CELL COMPRISING NEIGHBORING ELECTRICALLY INSULATING PASSIVATION REGIONS HAVING HIGH SURFACE CHARGES OF OPPOSING POLARITIES AND PRODUCTION METHOD - A solar cell includes a photoactive, semiconductive absorber layer configured to generate excess charge carriers of opposed polarity by light incident on a front of the absorber layer during operation. The absorber layer is configured to separate and move, via at least one electric field formed in the absorber layer, the photogenerated excess charge carriers of opposed polarity over a minimal effective diffusion length L03-29-2012
20120073646Solar Cell And Method Of Fabricating The Same - Disclosed are a solar cell and a method of fabricating the same. The solar cell includes a substrate, a rear electrode layer provided on the substrate, a light absorbing layer provided on the rear electrode, and a front electrode layer provided on the light absorbing layer. The rear electrode layer includes a first conductive layer provided on the substrate, a second conductive layer provided on the first conductive layer and having a grain size different from a grain size of the first conductive layer, and a third conductive layer provided on the second conductive layer and having a grain size different from the grain size of the second conductive layer.03-29-2012
20120073645Solar Cell Apparatus and Method of Manufacturing the Same - Provided are a solar cell apparatus and a method of manufacturing the same. The solar cell apparatus includes: a substrate; a back electrode layer on the substrate; a light absorbing layer on the back electrode layer; and a front electrode layer on the light absorbing layer. A groove is formed in an outline portion of the substrate.03-29-2012
20120073644Photovoltaic Device - Disclosed is a photovoltaic device that includes: a substrate; a first electrode disposed on the substrate; a photoelectric transformation layer disposed on the first electrode, the photoelectric transformation layer comprising a light absorbing layer which comprises at least one pair of an intrinsic first sub-layer and an intrinsic second sub-layer, each of which comprises hydrogenated amorphous silicon based material and hydrogenated proto-crystalline silicon based material having a crystalline silicon grain; and a second electrode disposed on the photoelectric transformation layer.03-29-2012
20120073643DYE-SENSITIZED SOLAR CELL AND PROCESS FOR MANUFACTURING THE SAME - A dye-sensitized solar cell is provided, wherein it can be produced by a relatively easy and simple process and ensures high conversion efficiency even in cases where the thickness of the porous semiconductor layer is increased. The dye-sensitized solar cell 03-29-2012
20120073642WORKING ELECTRODE, METHOD FOR FABRICATING THE SAME AND DYE-SENSITIZED SOLAR CELL CONTAINING THE SAME - The present invention provides a method for fabricating a working electrode. The method comprises the following steps: providing a photoelectrode, which comprises a conductive substrate with a semiconductor material; providing a dye solution, which comprises a dye dissolved in a solvent; and applying a voltage for conducting an electrophoresis to adsorb said dye onto a surface of said semiconductor material. The method of present invention makes the dye adsorbed fast to a surface of a semiconductor material by electrophoresis, and therefore, significantly reduces the time for fabricating a dye-sensitized solar cell.03-29-2012
20120073641Solar cell apparatus having the transparent conducting layer with the structure as a plurality of nano-level well-arranged arrays - The invention discloses an apparatus for enhancing light absorption of solar cells and photodetectors by diffraction. The invention comprises the structure as the plurality of nano-level well-arranged arrays with a plurality of certain defect areas including the shapes of rod, tapered-cone, and cone, which diffracts incident light to oblique angles for light trapping. Surface reflection can also be reduced for either broadband or narrow band spectral absorption. The increased contact area between the transparent conducting layer and photoactive layer is beneficial for current extraction, which increases the internal quantum efficiency (IQE).03-29-2012
20120073640PULSED PHOTOTHERMAL PHASE TRANSFORMATION CONTROL FOR TITANIUM OXIDE STRUCTURES AND REVERSIBLE BANDGAP SHIFT FOR SOLAR ABSORPTION - A method for bandgap shift and phase transformation for titania structures. The method can include providing a flexible substrate, depositing a titania film onto the substrate, and exposing the titania film to one or more pulses of infrared energy of sufficient energy density and for a sufficient time to crystallize the titania film to predominantly anatase crystalline phase. The flexible substrate can be formed from a polymeric material, and the method can achieve a bandgap shift from greater than 3.0 eV to approximately 2.4 eV. The method can also include forming a crystalline titania layer over a substrate and annealing the crystalline titania layer by applying pulsed thermal energy sufficient to modify the phase constitution of the crystalline titania layer. The source of pulsed thermal energy can include an infrared flashlamp or laser, and the resulting titania structure can be used with photovoltaic and photoelectrolysis systems.03-29-2012
20120180861SOLAR CELL - A solar cell includes a substrate of a first conductive type, an emitter region, which is positioned at the substrate and is doped with impurities of a second conductive type opposite the first conductive type, a plurality of first electrodes, which are connected to the emitter region and extend parallel to one another to be spaced apart from one another, a plurality of semiconductor electrodes, which extend in a direction different from an extension direction of the plurality of first electrodes to be spaced apart from one another and have an impurity doping concentration higher than the emitter region, and a second electrode connected to the substrate. A distance between two adjacent semiconductor electrodes is about 07-19-2012
20120312369THICK FILM PASTE CONTAINING BISMUTH-BASED OXIDE AND ITS USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention is directed to an electroconductive thick film paste composition comprising Ag and a Pb-free bismuth-based oxide both dispersed in an organic medium. The present invention is further directed to an electrode formed from the paste composition and a semiconductor device and, in particular, a solar cell comprising such an electrode.12-13-2012
20120312368THICK FILM PASTE CONTAINING BISMUTH-BASED OXIDE AND ITS USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES - The present invention is directed to an electroconductive thick film paste composition comprising Ag and a Pb-free bismuth-based oxide both dispersed in an organic medium. The present invention is further directed to an electrode formed from the paste composition and a semiconductor device and, in particular, a solar cell comprising such an electrode.12-13-2012
20120312367SOLAR CELL - Discussed is a solar cell including a substrate having a first conductivity type; an emitter layer including a plurality of finger lines connected with an emitter layer; a plurality of rear finger lines connected with a back surface field, wherein the emitter layer includes first areas in contact with the plurality of front finger lines and second areas positioned between the plurality of front finger lines and having a lower doping concentration than that of the first areas, the back surface field includes areas in contact with the plurality of rear finger lines, and the number of the plurality of rear finger lines positioned on a rear surface of the substrate and the number of the plurality of front finger lines positioned on a front surface of the substrate are different.12-13-2012
20120312372GLASS COMPOSITIONS USED IN CONDUCTORS FOR PHOTOVOLTAIC CELLS - The invention relates to zinc-containing glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells.12-13-2012
20100132788PYROGENIC ZINC OXIDE-COMPRISING COMPOSITE OF LAYERS AND FIELD-EFFECT TRANSISTOR COMPRISING THIS COMPOSITE - Composite of layers which comprises a dielectric layer and a layer which comprises pyrogenic zinc oxide and is bonded to the dielectric layer. Process for producing the composite of layers, in which the pyrogenic zinc oxide is applied to the dielectric layer in the form of a dispersion in which the zinc oxide particles are present with a mean aggregate diameter of less than 200 nm, and the zinc oxide layer is dried and then treated at temperatures of less than 200° C. Process for producing the composite of layers, in which the pyrogenic zinc oxide is applied to a substrate layer or a composite of substrate layers in the form of a dispersion in which the zinc oxide particles are present with a mean aggregate diameter of less than 200 nm to form a zinc oxide layer, and then the zinc oxide layer and the substrate layer are treated at temperatures of less than 200° C., and then a dielectric layer is applied to the zinc oxide layer. Field-effect transistor which has the composite of layers.06-03-2010
20090250109ACRYLIC PRESSURE SENSITIVE ADHESIVE COMPOSITION, DOUBLE COATED ADHESIVE SHEET, AND PHOTOVOLTAIC DEVICE - An acrylic pressure sensitive adhesive composition comprising (A) an acrylic polymer having a carboxyl group and (B) a tetrafunctional epoxy compound, without a substantial amount of a tackifying resin, wherein the acrylic polymer (A) has been prepared by copolymerizing (a) 50% to 80% by weight of butyl acrylate, (b) 5% to 40% by weight of ethyl acrylate, and (c) 7% to 22% by weight of at least one carboxyl group-containing compound selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid, crotonic acid, monobutyl maleate and β-carboxyethyl acrylate; and which has a weight-average molecular weight (Mw) of about 600000 to about 800000 and a glass transition temperature of −35° C. to −10° C., is disclosed. Further, a double-coated adhesive sheet comprising the acrylic pressure sensitive adhesive composition, and a photovoltaic device fabricated, using the double-coated adhesive sheet, is disclosed.10-08-2009
20100084014PHOTOVOLTAIC DEVICES FABRICATED FROM NANOSTRUCTURED TEMPLATE - Photovoltaic devices, such as solar cells, and methods for their manufacture are disclosed. A device may be characterized by an architecture having a nanostructured template made from an n-type first charge transfer material with template elements between about 1 nm and about 500 nm in diameter with about 1004-08-2010
20120255605METHOD OF MANUFACTURING SOLAR CELL ELECTRODE - The invention relates to a method of manufacturing a p-type electrode comprising the steps of: preparing an N-type base semiconductor substrate comprising an n-base layer, a p-type emitter on the n-base layer, a first passivation layer on the p-type emitter, and a second passivation layer on the n-base layer; applying a conductive paste onto the first passivation layer, wherein the conductive paste comprises (i) 100 parts by weight of a conductive powder comprising a metal selected from the group consisting of silver, nickel, copper and a mixture thereof, (ii) 0.3 to 8 parts by weight of aluminum powder with particle diameter of 3 to 11 μm, (iii) 3 to 22 parts by weight of a glass frit, and (iv) an organic medium; and firing the conductive paste.10-11-2012
20120255608BACK-SURFACE-FIELD TYPE OF HETEROJUNCTION SOLAR CELL AND A PRODUCTION METHOD THEREFOR - The back-surface-field type of heterojunction solar cell according to the present invention comprises a crystalline silicon substrate of a first conductivity type, an intrinsic layer and an amorphous silicon layer of the first conductivity type which are laminated in sequence on the front surface of the substrate, an anti-reflective film laminated on the amorphous silicon of the second conductivity type, junction regions of the first conductivity type and junction regions of the second conductivity type which are formed to a predetermined depth on the inside of the substrate from the rear surface of the substrate, and first-conductivity-type electrodes and second-conductivity-type electrodes which are respectively provided on the junction regions of the first conductivity type and the junction regions of the second conductivity type; wherein the first-conductivity-type electrodes and the second-conductivity-type electrodes are disposed alternately.10-11-2012
20120255607SEMICONDUCTOR COATED MICROPOROUS GRAPHENE SCAFFOLDS - A high surface area scaffold to be used for a solar cell, made of a three-dimensional percolated network of functionalized graphene sheets. It may be used in the preparation of a high surface area electrode by coating with a semi conductive material. Electronic devices can be made therefrom, including solar cells such as dye-sensitized solar cells.10-11-2012
20120255604ELECTROLYTE FOR DYE-SENSITIZED SOLAR CELL AND DYE-SENSITIZED SOLAR CELL INCLUDING THE SAME - An electrolyte for a dye-sensitized solar cell, the electrolyte including an organic solvent; a redox derivative; and an additive including a linear carbon chain, wherein the additive has an ionic or non-ionic neutral functional group located at one or more ends of the linear carbon chain. The viscosity of the high-density electrolyte is reduced, whereby the ionic conductivity of the electrolyte is increased, and the leakage of the electrolyte from the dye-sensitized solar cell is prevented. Therefore, a dye-sensitized solar cell including the electrolyte exhibits enhanced durability and efficiency such as in terms of fill factor (FF).10-11-2012
20120255602METHOD FOR FORMING TCO FILMS AND THIN FILM STACK - A method for controlling surface morphology of a transparent conductive oxide film (TCO) is provided. A substrate is provided as a basis for forming a solar cell. Onto the substrate, a seed layer is deposited. Then, the method includes depositing the transparent conductive oxide film (TCO) above the seed layer. The seed layer is adapted to control the surface morphology of the transparent conductive oxide film. The surface of the transparent conductive oxide film is etched in order to provide a front contact of the solar cell.10-11-2012
20120186646TRANSPARENT SUBSTRATE EQUIPPED WITH AN ELECTRODE - The subject of the invention is a transparent substrate, especially made of glass, which is provided with an electrode, especially for a solar cell, comprising a conductive layer based on molybdenum Mo with a thickness of at most 500 nm, especially at most 400 nm or at most 300 nm or at most 200 nm.07-26-2012
20120186644FLEXIBLE ELECTRODES AND PREPARATION METHOD THEREOF, AND FLEXIBLE DYE-SENSITIZED SOLAR CELLS USING THE SAME - The present invention relates to a flexible photoelectrode and a manufacturing method thereof, and a dye-sensitized solar cell using the same. More particularly, the present invention relates to a flexible photoelectrode capable of forming a semiconductor electrode with excellent photoelectric conversion efficiency on a plastic substrate at low temperatures in a simple and stable manner, in which it is prepared by forming a nanocrystalline metal oxide layer calcined at high temperature on a high temperature resistant substrate, and transferring it to a flexible transparent substrate by a transfer method using an HF solution, and a flexible dye-sensitized solar cell comprising the same.07-26-2012
20120186645DYE SENSITIZED SOLAR CELL, AND METHOD OF MANUFACTURING THE SAME - A dye-sensitized solar cell including a first electrode, a negative photoelectrode on the first electrode, a light scattering layer on a surface of the negative photoelectrode, a second electrode facing the first electrode with the negative photoelectrode and the light scattering layer therebetween, and an electrolyte between the first electrode and the second electrode. The light scattering layer includes a titanium dioxide nano wire and a titanium dioxide nano particle.07-26-2012
20090038681Ozone-treated carbon electrodes - Ozone treated carbon electrodes can provide increased catalytic activity, such as in a dye-sensitized solar cell (DSSC) or other electrochemical device or other device that could benefit from an increased catalytic activity, such as lithium ion or other batteries, hydrogen fuel cells, or electroanalytical instruments. Devices, methods of making, and methods of using are discussed.02-12-2009
20110108101Coated article comprising colloidal silica inclusive anti-reflective coating, and method of making the same - Certain example embodiments of this invention relate to coated articles that include anti-reflective (AR) coatings produced from colloidal silica with variable size particles in formulation, and/or methods of making the same. In certain example embodiments, the AR coatings advantageously exhibit high transmission, high transmission gain with respect to uncoated articles, and high b* values, before and/or after heat treatment. The AR coatings of certain example embodiments may be temperable or otherwise heat treatable (e.g., at temperatures of 500 degrees C. or greater) together with their supporting substrates. In certain example embodiments, the particle size for the colloidal silica is 10-110 nm, and the b* values are at least about 0.8. Certain example embodiments may be used in connection with photovoltaic devices and/or the like.05-12-2011
20110114173METHOD OF MAKING SOLAR CELLS - A method of creating a patterned particulate layer of a photovoltaic device comprises the steps of providing a dry powder to a fluidising unit, fluidising the powder to form a fluid flow and conveying the fluid flow to a printing unit. The printing unit has means to divert a variable amount of flow to a substrate and the remainder of the flow back to the fluidising unit.05-19-2011
20090020157Rear electrode structure for use in photovoltaic device such as CIGS/CIS photovoltaic device and method of making same - A photovoltaic device including a rear electrode which may also function as a rear reflector. In certain example embodiments of this invention, the rear electrode includes a metallic based reflective film that is oxidation graded, so as to be more oxided closer to a rear substrate (e.g., glass substrate) supporting the electrode than at a location further from the rear substrate. In other words, the rear electrode is oxidation graded so as to be less oxided closer to a semiconductor absorber of the photovoltaic device than at a location further from the semiconductor absorber in certain example embodiments. In certain example embodiments, the interior surface of the rear substrate may optionally be textured so that the rear electrode deposited thereon is also textured so as to provide desirable electrical and reflective characteristics. In certain example embodiments, the rear electrode may be of or include Mo and/or MoO01-22-2009
20090020156Method for manufacturing solar cell and solar cell - The present invention is a method for manufacturing a solar cell by forming a pn junction in a semiconductor substrate having a first conductivity type to manufacture a solar cell, including at least: applying a first coating material containing a dopant onto the semiconductor substrate having the first conductivity type; and performing vapor-phase diffusion heat treatment to form a first diffusion layer in a region applied with the first coating material and a second diffusion layer, which is formed next to the first diffusion layer through vapor-phase diffusion, with a conductivity lower than a conductivity of the first diffusion layer at the same time, and provides a solar cell. Hence, it is possible to provide a method for manufacturing a solar cell, which can manufacture a solar cell at a low cost in a simple and easy way while suppressing surface recombination in a light-receiving surface other than an electrode region and recombination in an emitter to increase photoelectric conversion efficiency of the solar cell, and a solar cell.01-22-2009
20130008498PHOTOVOLTAIC MODULE AND MANUFACTURING METHOD THEREOF - Disclosed herein is a photovoltaic module including: a first electrode formed on a substrate; a photoelectric conversion layer formed on the first electrode; a second electrode formed on the photoelectric conversion layer; and a light transmitting back substrate disposed over the second electrode. The photovoltaic module has a color within a range of a*: −25˜0, b*: 10˜50, L*: 20˜50 in Commission Internationale de l'Eclairage (CIE) LAB color coordinate.01-10-2013
20120227805SOLAR CELL - A solar cell, having a silicon layer which has a dopant of a first dopant type, a front designed for the light coupling, and a rear. The silicon layer has a doped base layer, at least one textured layer and a metal layer being arranged on the rear of the silicon layer, optionally on additional intermediate layers, and the textured layer including a rear texture in at least a section thereof which rear texture is designed as an optical diffraction structure. At least one textured intermediate structure (09-13-2012
20120227800Biologically Self-Assembled Nanotubes - A method of a general biological approach to synthesizing compact nanotubes using a biological template is described.09-13-2012
20120227803COMPOUND THIN FILM SOLAR CELL - A compound thin film solar cell contains at least: includes a substrate; a back surface electrode provided on the substrate; an extraction electrode provided on the back surface electrode; a light absorbing layer provided on the back surface electrode; a buffer layer provided on the light absorbing layer; a transparent electrode layer provided on the buffer layer; an anti-reflective film provided on the transparent electrode layer; and an extraction electrode provided on the transparent electrode layer, wherein the light absorbing layer is formed from Cu(Al09-13-2012
20120227802ORGANIC COMPOUND AND PHOTOVOLTAIC DEVICE COMPRISING THE SAME - The present invention provides a organic compound of the general structural formula 1 and photovoltaic device and photovoltaic layer comprising thereof09-13-2012
20120260979Solar Cell Using Polymer-Dispersed Liquid Crystals - Example embodiments relate to a solar cell configured to scatter incident light to be penetrated so as to increase a light progress path and includes a polymer-dispersed liquid crystal (PDLC) layer on at least one of a first and a second electrodes.10-18-2012
20120260980DYE-SENSITIZED SOLAR CELL, AND SEAL MEMBER TO BE USED FOR THE DYE-SENSITIZED SOLAR CELL - A dye-sensitized solar cell of a polymer resin type is provided, which is excellent in sealability. A counter electrode substrate provided with an electrically conductive transparent electrode layer and a working electrode substrate provided with an electrically conductive transparent electrode layer are opposed to each other with the electrode layers facing inward. A space defined between the substrates is sealed with a seal member disposed along peripheries of inner surfaces of the substrates. An electrolyte solution is filled in the sealed space. The substrates are each made of a polymer resin material. Inorganic layers are provided between the substrates and the electrode layers. The seal member is composed of a material obtained by curing a photopolymerizable composition essentially comprising a specific hydrogenated elastomer derivative. The inorganic layers each have a portion coated with a (meth)acryloxyalkylsilane silane coupling agent in contact with the seal member.10-18-2012
20120227804SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate of a first conductive type having at least one via hole; an emitter layer only on at least a portion of the via hole and at least one selected from a group consisting of an incident surface and side surfaces of the substrate, the emitter layer having a second conductive type opposite the first conductive type; at least one first electrode on the incident surface, the first electrode being electrically connected to the emitter layer; a second electrode connected to an opposite surface to the incident surface; and at least one first electrode current collector on the opposite surface, the at least one first electrode current collector being insulated from the second electrode and being electrically connected to the at least one first electrode through the via hole.09-13-2012
20120318344PHOTOVOLTAIC MODULE WITH CHLOROSULFONATED POLYOLEFIN LAYER - A photovoltaic module comprises an active solar cell layer having a front light receiving side and opposite rear side, an encapsulant layer adhered to the rear side of the active solar cell layer, and a back-sheet adhered to the encapsulant layer. The back-sheet comprises a first polymer film adhered to said encapsulant layer, where the first polymer film comprises 20 to 95 weight percent chlorosulfonated polyolefin, such as chlorosulfonated polyethylene, based on the weight of the first polymer film, and 1 to 35 weight percent of adhesive based on the weight of the first polymer film. The first polymer film may further comprise 10 to 70 weight percent of inorganic particulates such as calcium carbonate, titanium dioxide, kaolin and clays.12-20-2012
20080302417FILLER SHEET FOR SOLAR CELL MODULE, AND SOLAR CELL MODULE USING THE SAME - A main object of the invention is to provide a filler sheet for a solar cell module which is excellent in various properties such as strength, endurance, weatherability, heat resistance, water resistance, light resistance, wind pressure resistance, hailstorm resistance, and vacuum laminating suitability, and has very good thermal melting/bonding property without being affected by production conditions and others, and which makes it possible to produce a solar cell module, suitable for various use purposes, stably at low costs; and a solar cell module using the same.12-11-2008
20080302415Elongated photovoltaic cells in casings with a filling layer - A solar cell unit comprising a cylindrical shaped solar cell and a transparent tubular casing is provided. The tubular shaped solar cell comprises a back-electrode, a semiconductor junction circumferentially disposed on the back-electrode and a transparent conductive layer disposed on the semiconductor junction. The transparent tubular casing is circumferentially sealed onto the transparent conductive layer of the cylindrical shaped solar cell. A solar cell unit comprising a cylindrical shaped solar cell, a filler layer, and a transparent tubular casing is provided. The cylindrical shaped solar cell comprises a cylindrical substrate, a back-electrode circumferentially disposed on the cylindrical substrate, a semiconductor junction circumferentially disposed on the back-electrode, and a transparent conductive layer disposed on the semiconductor junction. The filler layer is circumferentially disposed on the transparent conductive layer and the transparent tubular casing is circumferentially disposed onto the filler layer.12-11-2008
20080302414Front electrode for use in photovoltaic device and method of making same - This invention relates to a front electrode/contact for use in an electronic device such as a photovoltaic device. In certain example embodiments, the front electrode of a photovoltaic device or the like includes a multilayer coating including at least one transparent conductive oxide (TCO) layer (e.g., of or including a material such as tin oxide, ITO, zinc oxide, or the like) and/or at least one conductive substantially metallic IR reflecting layer (e.g., based on silver, gold, or the like). In certain example instances, the multilayer front electrode coating may include one or more conductive metal(s) oxide layer(s) and one or more conductive substantially metallic IR reflecting layer(s) in order to provide for reduced visible light reflection, increased conductivity, cheaper manufacturability, and/or increased infrared (IR) reflection capability.12-11-2008
20100319767METHOD FOR PROVIDING A CONTACT ON THE BACK SURFACE OF A SOLAR CELL, AND A SOLAR CELL WITH CONTACTS PROVIDED ACCORDING TO THE METHOD - The present invention relates to a solar cell which includes a silicon layer (12-23-2010
20100326518SOLAR CELL AND METHOD OF MANUFACTURING SOLAR CELL - A solar cell includes a rear surface electrode layer a semiconductor layer formed on a surface of rear surface electrode layer a front surface electrode layer formed on a surface of semiconductor layer and a support layer on a surface of rear surface electrode layer at a side opposite the side where semiconductor layer is formed. Semiconductor layer includes at least one p-n junction. A plurality of through holes are provided, which through holes are cavities connecting support layer openings provided on a surface of support layer at a side opposite the side where rear surface electrode layer is formed with semiconductor layer openings provided on a surface of semiconductor layer at a side opposite the side where rear surface electrode layer is formed. Front surface electrode layer is formed in a region where semiconductor layer openings are not provided. A method of manufacturing the solar cell is also disclosed.12-30-2010
20100326517HIGH EFFICIENCY PHOTOVOLTAIC MODULES - The invention relates to high efficiency solar collection devices having a matte surface, a low refractive index surface, or both, that increases solar radiation transmission into the device. The matte surface is on a thermoplastic and may be provided in many ways, such as by a matting agent, by the use of a matte chill roll, embossing, or other techniques. The matte and/or low refractive index surface may be a coating, film (single or multi-layer) or sheet (single or multi-layer). The invention is especially useful in both rigid and flexible photovoltaic modules.12-30-2010
20100326515BASE MATERIAL FOR SOLAR CELL - It is to provide a base material for a solar cell, constituted by a stretched film of a composition containing a thermoplastic crystalline resin and inert particles, in which the base material for a solar cell has, on at least one side, a surface that has a center plane average surface roughness Ra of 30 to 500 nm and an average interval between local crests S on the surface of 40 to 5,000 nm, by which the base material for a solar cell provided has a surface capable of providing a light trapping effect and is useful for producing a solar cell exhibiting an excellent photoelectric conversion efficiency upon using as a base material of a thin film solar cell.12-30-2010
20100326514SOLAR CELL - A solar cell includes: a photoelectric conversion body having a light receiving surface through which irradiation light may enter to the photoelectric conversion body; a light transmission body provided on the light receiving surface of the photoelectric conversion body, the light transmission body having a light receiving surface; and an electrode provided on the light receiving surface of the photoelectric conversion body, the electrode having a portion extending to and provided on a part of the light receiving surface of the light transmission body.12-30-2010
20100326512MULTI-LAYER SYSTEM WITH CONTACT ELEMENTS AND A METHOD FOR CONSTRUCTING A CONTACT ELEMENT FOR A MULTI-LAYER SYSTEM - The invention relates to a layer system comprising a contact element (12-30-2010
20100326511SOLAR CELL WHEREIN SOLAR PHOTOVOLATIC THIN FILM IS DIRECTLY FORMED ON BASE - Disclosed is a solar cell comprising a solar cell semiconductor thin film formed on a base, a transparent conductive film formed on the semiconductor thin film, and a nitride-containing moisture diffusion-preventing film which covers the upper surface of the transparent conductive film. The moisture diffusion-preventing film is preferably composed of at least a silicon nitride film or a silicon carbide nitride (SiCN) film.12-30-2010
20100326510THIN SEMICONDUCTOR LAMINA ADHERED TO A FLEXIBLE SUBSTRATE - A semiconductor donor body such as a wafer is implanted with ions to form a cleave plane. The donor wafer is affixed to a polyimide receiver element, for example by applying polyimide in liquid form to the donor wafer, then curing, or by affixing the donor wafer to a preformed polyimide sheet. Annealing causes a lamina to cleave from the donor wafer at the cleave plane. The resulting adhered lamina and polyimide body are not adhered to another rigid substrate and can be jointly flexed.12-30-2010
20110120553SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a solar cell, includes a scribing step in which grooves electrically-separating a photoelectric converter into a plurality of compartment sections are formed after the photoelectric converter is formed on a substrate by stacking a first-electrode layer, a photoelectric conversion layer, and a second-electrode layer in this order; a first groove, a second groove, a third groove, and a fourth groove are formed in the scribing step; the method including an insulating-layer forming step in which an insulating layer is formed after the scribing step and a wiring layer forming step in which a wiring layer is formed; the wiring layer passes from the first-electrode layer that is exposed at a bottom face of the second groove, through the inside of the second groove and a surface of the insulating layer, to a surface of the second-electrode layer that is disposed so as to be lateral to the fourth groove opposite to the second groove; and the wiring layer electrically connects the plurality of compartment sections to each other.05-26-2011
20110120551PROCESS FOR THE FORMATION OF A SILVER BACK ELECTRODE OF A PASSIVATED EMITTER AND REAR CONTACT SILICON SOLAR CELL - A process for the formation of an electrically conductive silver back electrode of a PERC silicon solar cell comprising the steps: 05-26-2011
20110120549THIN FILM SOLAR CELL AND MANUFACTURING METHOD THREOF, METHOD FOR INCREASING CARRIER MOBILITY IN SEMICONDUCTOR DEVICE, AND SEMICONDUCTOR DEVICE - A thin film solar cell including a substrate, a first conductive layer, a photovoltaic layer and a second conductive layer is provided. The first conductive layer is doped with boron atoms so as to have a texture structure. Isotope B05-26-2011
20110120548SOLAR CELL STRUCTURE AND METHOD OF MAKING - A solar cell structure includes a semiconductor substrate, a first electrode, a second electrode and at least one via extending through the semiconductor substrate. The first electrode is located in the at least one via, and includes a glass phase and lead oxide, wherein the lead oxide is present in a first weight percentage amount relative to the weight of the glass phase of the first electrode. The second electrode includes a glass phase and lead oxide, and covers the first electrode, wherein the lead oxide of the second electrode is present in a second weight percentage amount relative to the weight of the glass phase of the second electrode. The first weight percentage amount is less than the second weight percentage.05-26-2011
20110120547Photoelectric device - The present invention provides a photoelectric device, including a photoelectric semiconductor thin film having a light facing surface and a back light surface; and a photoelectric converter having a medium and photoelectric converting particles mounted on the medium, wherein the photoelectric converter is disposed at an outer side of the light facing surface of the photoelectric semiconductor film for absorbing and converting solar energy so as to enhance photoelectric conversion efficacy. The photoelectric converter absorbs the wavelength that the photoelectric semiconductor thin film cannot absorb, and emits the frequency band that the photoelectric semiconductor thin film can absorb. Thus, the photoelectric device of the present invention decreases the interference of light absorption, increases the light emission, eliminates the wastes of incident light, and increases the photoelectric conversion efficacy. Hence, the fabrication method of the solar cell is simplified, and the cost is decreased in the present invention.05-26-2011
20110120546ENVIRONMENTALLY-FRIENDLY COATINGS AND ENVIRONMENTALLY-FRIENDLY SYSTEMS AND METHODS FOR GENERATING ENERGY - UV-curable coatings for photovoltaic systems, photovoltaic systems having a UV-curable coating, and methods of generating energy through photovoltaic systems having a UV-curable coating are disclosed. The UV-curable coating includes a urethane acrylate blend, a montmorillonite platelet, a light stabilizer, a UV absorber, and a photoinitiator. The coating is substantially transparent to visible and near infrared light and provides a barrier to oxygen and moisture and the coating is configured to adhere to an acrylic film.05-26-2011
20110120545PHOTOVOLTAIC COMPOSITIONS OR PRECURSORS THERETO, AND METHODS RELATING THERETO - A process for forming at least one photovoltaic component on a substrate is described. The substrate comprises a polyimide and a sub-micron filler. The polyimide is derived substantially or wholly from rigid rod monomers and the sub-micron filler has an aspect ratio of at least 3:1. The substrates of the present disclosure are particularly well suited for photovoltaic applications, due at least in part to high resistance to hygroscopic expansion and relatively high levels of thermal and dimensional stability.05-26-2011
20110120544DEPOSITION INHIBITOR COMPOSITION AND METHOD OF USE - A deposition inhibitor composition includes two compatible solvents. The first solvent has a vapor pressure of at least 10 mm Hg at room temperature and the second solvent has a vapor pressure of less than that of the first solvent. The composition further includes a hydrophilic deposition inhibitor material that is dissolved in the composition. This material is soluble in an aqueous solution that comprises at least 50% by weight of water and has a free acid content of less than 2.5 meq/g. This composition is useful to provide a deposition inhibitor pattern for chemical vapor deposition methods such as an atomic-layer-deposition method for forming a patterned thin film includes applying a hydrophilic deposition inhibitor material to a substrate.05-26-2011
20110120543METHOD FOR SELECTIVE DEPOSITION AND DEVICES - A chemical vapor deposition method such as an atomic-layer-deposition method for forming a patterned thin film includes applying a deposition inhibitor material to a substrate. The deposition inhibitor material is a hydrophilic polymer that that has in its backbone, side chains, or both backbone and side chains, multiple hydrophilic groups that are represented by the following structure:05-26-2011
20110120542METHOD FOR SELECTIVE DEPOSITION AND DEVICES - A chemical vapor deposition method such as an atomic-layer-deposition method for forming a patterned thin film includes applying a deposition inhibitor material to a substrate. The deposition inhibitor material is a hydrophilic poly(vinyl alcohol) having a degree of hydrolysis of less than 95%. The deposition inhibitor material is patterned simultaneously or subsequently to its application to the substrate, to provide selected areas of the substrate effectively not having the deposition inhibitor material. A thin film is substantially deposited only in the selected areas of the substrate not having the deposition inhibitor material.05-26-2011
20120260982PASTE COMPOSITION FOR ELECTRODE, PHOTOVOLTAIC CELL ELEMENT, AND PHOTOVOLTAIC CELL - The present invention provides a paste composition for an electrode, the paste composition comprising phosphorus-containing copper alloy particles, tin-containing particles, glass particles, a solvent and a resin. The present invention also provides a photovoltaic cell element having an electrode formed from the paste composition, and a photovoltaic cell.10-18-2012
20120260983MULTILAYER METALLIC ELECTRODES FOR OPTOELECTRONICS - Disclosed is an electrode that includes a substrate and a layered structure having an electrically conductive film in contact with at least one ultra thin metal film, wherein the two films are of different materials and the electrically conductive film is one of Cu, Au, Ag, Al and the ultra thin metal film is one of Ni, Cr, Ti, Pt, Ag, Au, Al and their mixtures. The electrode is particularly useful for optoelectronic devices and shows good conductivity, transparency and stability.10-18-2012
20120260981PASTE COMPOSITION FOR ELECTRODE, PHOTOVOLTAIC CELL ELEMENT, AND PHOTOVOLTAIC CELL - The present invention provides a paste composition for an electrode, the paste composition including phosphorus-tin-containing copper alloy particles, glass particles, a solvent and a resin. The present invention also provides a photovoltaic cell element having an electrode formed from the paste composition, and a photovoltaic cell.10-18-2012
20120325312SOLAR CELLS WITH PLATED BACK SIDE SURFACE FIELD AND BACK SIDE ELECTRICAL CONTACT AND METHOD OF FABRICATING SAME - The present disclosure provides a method of forming a back side surface field of a solar cell without utilizing screen printing. The method includes first forming a p-type dopant layer directly on the back side surface of the semiconductor substrate that includes a p/n junction utilizing an electrodeposition method. The p/n junction is defined as the interface that is formed between an n-type semiconductor portion of the substrate and an underlying p-type semiconductor portion of the substrate. The plated structure is then annealed to from a P++ back side surface field layer directly on the back side surface of the semiconductor substrate. Optionally, a metallic film can be electrodeposited on an exposed surface of the P++ back side surface layer.12-27-2012
20120325310LAMINATE, METHOD FOR PRODUCING SAME, AND FUNCTIONAL ELEMENT USING SAME - Provided is a laminate which includes a transparent conductive film layer that is composed of an oxide thin film mainly composed of titanium oxide and contains an additional element such as niobium, and also contains an anatase phase having more excellent crystallinity and further has high refractive index and low resistivity by forming an optimal buffer layer on the substrate. Also provided are: a semiconductor light emitting element which comprises the laminate; and a functional element such as a solar cell, which includes the laminate.12-27-2012
20120325307LOW BOW ALUMINUM PASTE WITH AN ALKALINE EARTH METAL SALT ADDITIVE FOR SOLAR CELLS - Disclosed are aluminum paste compositions for forming an aluminum back electrode, processes to form aluminum back electrode of solar cells, and the solar cells so-produced. The aluminum paste composition has particulate aluminum and an additive wherein the additive is a salt of an alkaline earth metal ion and an organic counterion dispersed in an organic vehicle.12-27-2012
20120325309SOLAR CELL AND SOLAR CELL MANUFACTURING METHOD - [The PROBLEMS] A solar cell capable of preventing scratches from occurring on a junction portion between a semiconductor layer and a semiconductor substrate, and capable of suppressing deterioration of conversion efficiency is provided.12-27-2012
20120325305OHMIC CONTACT BETWEEN THIN FILM SOLAR CELL AND CARBON-BASED TRANSPARENT ELECTRODE - A photovoltaic device and method include a photovoltaic stack having an N-doped layer, a P-doped layer and an intrinsic layer. A transparent electrode is formed on the photovoltaic stack and includes a carbon based layer and a high work function metal layer. The high work function metal layer is disposed at an interface between the carbon based layer and the P-doped layer such that the high work function metal layer forms a reduced barrier contact and is light transmissive.12-27-2012
20120318345SOLAR CELL - A solar cell includes a substrate having a first conductive type; an emitter layer formed on a front side of the substrate and having a second conductive type opposite to the first conductive type; a reflection preventing film on the emitter layer; and a plurality of finger lines that penetrate the reflection preventing film and are connected to the emitter layer. The emitter layer includes a plurality of first regions adjoining the plurality of front finger lines and a plurality of second regions disposed between the plurality of first regions, and the plurality of second regions have a thickness thicker than a thickness of the plurality of first regions. By doing so, a photovoltaic efficiency of the solar cell is improved.12-20-2012
20120266954ORGANIC PHOTOVOLTAIC CELL - To suppress deterioration of electrical characteristics. An organic photovoltaic cell (10-25-2012
20120266951METHOD OF FORMING EMITTERS FOR A BACK-CONTACT SOLAR CELL - Methods of forming emitters for back-contact solar cells are described. In one embodiment, a method includes forming a first solid-state dopant source above a substrate. The first solid-state dopant source includes a plurality of regions separated by gaps. Regions of a second solid-state dopant source are formed above the substrate by printing.10-25-2012
20120266952METHOD OF MANUFACTURING SUBSTRATE FOR PHOTOVOLTAIC CELL - A method of manufacturing a substrate for a photovoltaic cell, in which the high optical characteristic in a long-wavelength range available for the photovoltaic cell can be maintained, and at the same time, the amount of hazing can be increased. The method includes the step of forming a zinc oxide (ZnO) thin film layer doped with a dopant on a transparent substrate, and the step of controlling the surface structure of the zinc oxide thin film layer by etching the zinc oxide thin film layer using hydrogen plasma.10-25-2012
20120266950SOLAR BATTERY AND METHOD FOR MANUFACTURING THE SAME - A solar battery includes a polymer resin layer on a solar cell and an upper substrate on the polymer resin layer. A pattern is formed in the polymer resin layer.10-25-2012
20120266949ELONGATE SOLAR CELL AND EDGE CONTACT - An elongate solar cell, comprising a semiconductor body having two mutually opposed faces, at least one of the faces being an active face for receiving incident light, and two mutually opposed edges orthogonal to the faces, the edges comprising electrical contacts thereon for conducting electrical current generated by the solar cell from the light; wherein the electrical contact to at least one of the edges includes an electrically conductive material that contacts only a fractional portion of the at least one edge of the semiconductor body to improve the performance of the solar cell.10-25-2012
20120266953METHOD OF COATING A SUBSTRATE - The present invention provides a method of coating a substrate with a zinc oxide film, the method comprising the steps of: 10-25-2012
20120318347ANTIREFLECTION COATING AS WELL AS SOLAR CELL AND SOLAR MODULE THEREWITH - An antireflection coating for a solar cell includes at least a first SiN12-20-2012
20110048526INTERCONNECTOR FOR A SOLAR BATTERY AND MATERIAL OF THE SAME - A material of an interconnector for a solar battery used as an interconnector for a solar battery which connects cells with each other in a solar battery module, in which at least one of Zr and Mg is contained in a range of 3 ppm or more and 20 ppm or less, O is contained at 5 ppm or less in parts per million by mass, the balance consisting of Cu and inevitable impurities, and the residual resistance ratio is 300 or more. Further, an interconnector for a solar battery (03-03-2011
20110048523DYE-SENSITIZED SOLAR CELL - Provided is a dye-sensitized solar cell including a first substrate and a second substrate facing each other; a first electrode unit and a second electrode unit disposed between the first substrate and the second substrate and respectively including at least one or more grid electrodes; an electrolyte filled in the first electrode unit and the second electrode unit; a sealing material for sealing the electrolyte between the first substrate and the second substrate; a collector electrode unit including a first collector electrode and a second collector electrode electrically connected to the first electrode unit and the second electrode unit, respectively; and a protruding terminal unit including a first protruding terminal and a second protruding terminal electrically connected to the first collector electrode and the second collector electrode, respectively. At least a portion of at least one of the collector electrodes is disposed in an internal area sealed by the sealing material, and the first electrode unit includes an oxide layer including dye molecules.03-03-2011
20110214735CONDUCTIVE LAMINATED ASSEMBLY - Provided are conductive laminated assemblies and conductive assembly tapes that are used thereon. The conductive laminated assemblies include a conductive foil, a pressure sensitive adhesive, a conductive element as a part of the foil or in the pressure sensitive adhesive and a conductive substrate. The conductive substrate can be a photovoltaic or solar cell.09-08-2011
20100012177PHOTON-CONVERSION MATERIALS (PCMs) IN POLYMER SOLAR CELLS-ENHANCEMENT EFFICIENCY AND PREVENTION OF DEGRADATION - A photovoltaic device has a photovoltaic cell and a photon-conversion component. The photon-conversion component has a photon-conversion material in its composition. The photon-conversion material, while the photovoltaic device is in operation, converts photons in a spectral region including a first wavelength to photons in a spectral region including a second wavelength, the second wavelength being longer then the first wavelength. The photons having the second wavelength are at least one of less damaging to the photovoltaic cell than photons having the first wavelength or converted more efficiently to an electrical current than photons having the first wavelength.01-21-2010
20130019933SEE-THROUGH THIN FILM SOLAR CELLS AND METHOD OF MANUFACTURING THE SAME - A see-through thin film solar cell includes a first substrate, a photoelectric conversion film formed on the surface of the first substrate, a second substrate and a packaging adhesive film located between the second substrate and the photoelectric conversion film. The surface of the photovoltaic film is ablated via a laser to form at least one hollow-out zone through a patterned photo mask, thus averts the problem of reduced lifespan of laser equipment in conventional techniques that form patterns through laser ablation in frequent switching manner. By controlling the thickness of the patterned photo mask, grey scale patterns can be displayed and resolution thereof can also be increased, thereby improve the added value of the thin film solar cell.01-24-2013
20090260684SOLAR CELL, METHOD OF FORMING EMITTER LAYER OF SOLAR CELL, AND METHOD OF MANUFACTURING SOLAR CELL - A method for forming emitter layer of a solar cell includes preparing a substrate including a first impurity of a first conductive type, diffusing a second impurity of a second conductive type opposite to the first conductive type in the substrate to form a first emitter portion of the emitter layer in the substrate, and selectively heating a portion of the first emitter portion, which corresponds to a position for forming at least one electrode, to form a second emitter portion.10-22-2009
20110226323USE OF THERMALLY STABLE, FLEXIBLE INORGANIC SUBSTRATE FOR PHOTOVOLTAICS - This invention relates to the use of Li-vermiculite films as flexible inorganic substrates that are light-weight, electrically insulating and thermally stable at 450-700° C. These films are coated with molybdenum and used in the fabrication of thin-film photovoltaic cells. This invention also relates to photovoltaic cells incorporating such flexible inorganic substrates.09-22-2011
20110226322SOLAR BATTERY UNIT - A solar battery unit is proposed, including: a first electrode; a nano rough layer formed on the first electrode; a semiconductor active layer formed on the nano rough layer; and a second electrode formed on the semiconductor active layer, thereby enabling the nano rough layer formed on the first electrode to fully absorb solar energy not completely absorbed by the semiconductor active layer so as to allow solar energy to be fed back to the semiconductor active layer with a view to maximizing absorption of solar energy.09-22-2011
20110226320SOLAR CELL HAVING A TRANSPARENT CONDUCTIVE OXIDE CONTACT LAYER WITH AN OXYGEN GRADIENT - A solar cell includes a first electrode located over a substrate, at least one first conductivity type semiconductor layer located over the first electrode, at least one second conductivity type semiconductor layer located over the first conductivity semiconductor layer, and a transparent conductive oxide contact layer located over the second conductivity semiconductor layer. The first surface of the transparent conductive oxide contact layer may be located closer to the second conductivity type semiconductor layer than the second surface of the transparent conductive oxide contact layer, and the transparent conductive oxide contact layer may have an oxygen concentration that decreases continuously or in at least two discrete steps as a function of thickness for at least a first portion of the contact layer thickness in a direction from the first surface to the second surface.09-22-2011
20100126577GUIDED MODE RESONANCE SOLAR CELL - A guided mode resonance solar cell includes a solar cell body and a guided mode resonance unit. The solar cell body is used for converting optical energy into electrical energy. The guided mode resonance unit is formed on the solar cell body, and includes a grating structure and a waveguide structure. The grating structure includes multiple sub-wavelength light pillars. When a light emitted from a light source is incident onto the grating structure, a resonant of the light occurs in the grating structure to facilitate trapping the light in the waveguide structure and elongating an optical path length.05-27-2010
20120318341PROCESSES FOR UNIFORM METAL SEMICONDUCTOR ALLOY FORMATION FOR FRONT SIDE CONTACT METALLIZATION AND PHOTOVOLTAIC DEVICE FORMED THEREFROM - Processes for fabricating photovoltaic devices in which the front side contact metal semiconductor alloy metallization patterns have a uniform thickness at edge portions as well as a central portion of each metallization pattern are provided. In one embodiment, a method of forming a photovoltaic device is provided that includes a p-n junction with a p-type semiconductor portion and an n-type semiconductor portion one on top of the other, wherein an upper exposed surface of one of the semiconductor portions represents a front side surface of the semiconductor substrate; forming a plurality of patterned antireflective coating layers on the front side surface of the semiconductor surface to provide a grid pattern including a busbar region and finger regions; forming a mask atop the plurality of patterned antireflective coating layers, the mask having a shape that mimics each patterned antireflective coating; electrodepositing a metal layer on the busbar region and the finger regions; removing the mask; and performing an anneal, wherein during the anneal metal atoms from the metal layer react with semiconductor atoms from the busbar region and the finger regions forming a metal semiconductor alloy.12-20-2012
20120318343SILICON-FREE ALUMINUM PASTE COMPOSITION FOR FORMING AN ALUMINUM BACK ELECTRODE WITH LARGE SILICON PARTICLES - Disclosed are silicon-free aluminum paste compositions for forming an aluminum back electrode with large silicon particles, processes to form aluminum back electrode of solar cells, and the solar cells so-produced. The process applys a silicon-free aluminum paste on a back surface of a p-type silicon substrate. The silicon-free aluminum paste compositions have an additive comprising calcium oxide, calcium oxalate, calcium carbonate, calcium phosphate, or mixtures thereof; an aluminum powder; and an organic vehicle. The process also applys a metal paste on a front side of th