Patent application number | Description | Published |
20090000658 | 2,2-Bipyridine Ligand, Sensitizing Dye and Dye Sensitized Solar Cell - A dye sensitized solar cell, comprising a-heteroleptic polypyridil complex of Ru, Os or Fe. The donating ligand has an extended conjugated n-system increasing the light absorbance and keeing the LUMO energy level higher than that of the anchoring ligand. A compacting compound whose molecular structure comprises a terminal group, a hydrophobic part and an anchoring′ group may be co-adsorbed together with the dye on the semi-conductive metal oxide layer of the photoanode, forming a dense mixed self-assembled monolayer. | 01-01-2009 |
20090294890 | MULTI-COLOUR SENSITIVE DEVICE FOR COLOR IMAGE SENSING - A sensor element ( | 12-03-2009 |
20100044637 | ELECTRO LUMINESCENT METAL COMPLEXES - Electro luminescent metal, e.g. Ir, complexes are disclosed. The metal complexes comprise at least one ligand L1 and at least one ligand L2, wherein ligand L1 is a 2-phenylpyridine ligand (I), comprising a phenyl ring (A) and a pyridine ring (B). The integers 2 to 9 denote positions in which substitutions can be made, and by the use of different substituents, e.g. 2,4-difluoro and 7-N(CH3)2, the emission wavelength of the complex may be tuned. The ligand L2 may e.g. be a compound of the following formula (II). | 02-25-2010 |
20100051908 | Liquid Charge Transporting Material - The present invention relates to optoelectronic and/or electrochemical devices comprising an organic charge transporting material which is liquid at a temperature of ≦180° C. In particular in dye-sensitised solar cells, quantum efficiency higher than with prior art solid organic hole-transporters is reported. The melting point of a large quantity of organic charge transporting materials may be adjusted to a desired value by selecting suitable substituents. Accordingly, general advantages of the liquid state may be associated with the properties of organic charge transporting materials. | 03-04-2010 |
20100229950 | Ionic Liquid Electrolyte - The present invention relates to electrolytes comprising tetracyanoborate and an organic cation as components of electrolytes in electrochemical and/or optoelectronic devices, in particular solar cells. This ionic liquid has low viscosity and can be used as electrolyte in the absence of a solvent. Importantly, the ionic liquid remains stable in solar cells even after prolonged thermal stress at 80° C. for 1000 hours. Photovoltaic conversion efficiency remained stable and keeping more than 90% of the initial value. | 09-16-2010 |
20110041907 | ORGANIC 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 |
20110062541 | HIGH MOLECULAR EXTINCTION COEFFICIENT METAL DYES - The present invention relates to novel compounds that are useful as ligands in organometallic dyes. More particularly, the invention relates to dyes comprising the compounds, said dyes being sensitizing dyes useful in solar cell technology. According to an embodiment, the present invention discloses new ruthenium dyes and their application in dye-sensitized solar cells (DSC). The referred ruthenium dyes with new structural features can be easily synthesized, show more than 85% light-to-electricity conversion efficiency and a higher than 9% cell efficiency. | 03-17-2011 |
20110265876 | NOVEL ANCHORING LIGANDS FOR SENSITIZERS OF DYE-SENSITIZED PHOTOVOLTAIC DEVICES - The present invention relates to novel pyridine compounds that can be used as anchoring ligands in metal-based sensitizing dyes of dye sensitized solar cells (DSC | 11-03-2011 |
20110303267 | PHOTOELECTRIC CONVERSION DEVICES COMPRISING NOVEL LIGANDS AND SENSITIZERS - The present invention provides novel dyes for dye sensitized photovoltaic conversion devices. The dyes contain novel anchoring ligands, which have a vinyl or phenylethenyl moiety incorporated in the anchoring bipyridine. Such dyes exhibit an increased molar extinction coefficient and enhanced red response in the visible regions. | 12-15-2011 |
20120090679 | METAL SUBSTRATE FOR A DYE SENSITIZED PHOTOVOLTAIC CELL - Solid state dye sensitized photovoltaic cells, as well as related components, systems, and methods, are disclosed. | 04-19-2012 |
20120253043 | NOVEL LIGANDS FOR SENSITIZING DYES OF DYE-SENSITIZED SOLAR CELLS - The present invention provides new bi- and polypyridine ligands of ruthenium dyes. The invention also provides solar cells, in particular dye-sensitized solar cells comprising the dyes. | 10-04-2012 |
20130330632 | METAL COMPLEXES FOR USE AS DOPANTS AND OTHER USES - The invention relates to electrochemical devices comprising complexes of cobalt comprising at least one ligand with a 5- or six membered, N-containing heteroring. The complex are useful as p- and n-dopants, as over of electrochemical devices, in particular in organic semiconductors. The complexes are further useful as over-discharge prevention and overvoltage protection agents. | 12-12-2013 |
20140060641 | REDOX COUPLE FOR ELECTROCHEMICAL AND OPTOELECTRONIC DEVICES - The present invention provides an improved redox couple for electrochemical and optoelectronic devices. The redox couple is based on a complex of a first row transition metal, said complex containing at least one mono-, bi-, or tridentate ligand comprising a substituted or unsubstituted ring or ring system comprising a five-membered N-containing heteroring and/or a six-membered ring comprising at least two heteroatoms, at least one of which being a nitrogen atom, said five- or six-membered heteroring, respectively, comprising at least one double bond. The invention also relates to electrolytes and to the devices containing the complex, and to the use of the complex as a redox couple. The invention further provides electrochemical and/or optoelectronic devices comprising a first and a second electrode and, between said first and second electrode, a charge transport layer, said a charge transport layer comprising tetracyanoborate ([B(CN) | 03-06-2014 |
20140097376 | EUTECTIC MELTS - The present invention refers to using the principal of a room temperature molten ionic liquid, to an electrolyte, to devices comprising the ionic liquid co-melting, and to the preparation of a room temperature ionic liquid via various physical and chemical methods. The room temperature molten ionic liquid comprises at least two component salts, at least one of which is not molten at room temperature, but, if combined with another salt, is in the molten state at room temperature. | 04-10-2014 |
20140311575 | MODIFIED SURFACE - The present invention relates to modified surfaces. The surfaces comprise an inorganic material on which a phosphinic acid derivative is adsorbed. The phosphinic acid thus turns out to be a new anchoring group useful for surface derivatisation. The invention has many applications for photoelectric conversion devices, batteries, capacitors, electrochromic displays, chemical sensors, biological sensors, light emitting diodes, electrodes, semiconductors, separation membranes, selective adsorbents, adsorbents for HPLC, catalysts, implants, nanoparticles, antiadhesives, and anticorrosion coatings, for example. | 10-23-2014 |
20140332079 | SEMICONDUCTOR ELECTRODE COMPRISING A BLOCKING LAYER - The present invention provides a porous semiconductor electrode passivated by way of a layer applied by an atomic layer deposition (ALD) process. The semiconductor electrode can be advantageously used in dye-sensitized solar cells (DSCs) having increase open current voltages (V | 11-13-2014 |
Patent application number | Description | Published |
20090115327 | LIGHT-EMITTING MATERIAL - This invention pertains to light emitting materials comprising novel ortho-metalated transition metal complexes [ĈN] | 05-07-2009 |
20090200920 | Light-Emitting Material - This invention pertains to light emitting materials comprising novel ortho-metalated transition metal complexes [ĈN] | 08-13-2009 |
20100102711 | Light-emitting material - This invention pertains to light emitting materials comprising novel ortho-metalated transition metal complexes [ĈN] | 04-29-2010 |
20100174078 | Bipyridine metal complexes for use as light-emitting material - The present invention relates to light emitting materials comprising novel ortho-metalated transition metal complexes [ĈN] | 07-08-2010 |
20100190984 | Light emitting material - This invention pertains to light emitting materials comprising novel ortho-metalated transition metal complexes [ĈN] | 07-29-2010 |
20110121279 | Light-emitting material comprising multinuclear complexes - Light emitting materials comprising multinuclear metal complexes comprising at least two metal atoms and a metal bridging ligand bound to said at least two metal atoms. It relates more particularly to a multinuclear complex of Formula (I): {-[L]2M-B-}n, wherein L is a bidentate ligand; M represents a transition metal having an atomic number of at least 40, and each M can be the same or different at each occurrence; B is a 2-connecting short metal bridging ligand bound to said at least two metal atoms, where the metal bridging ligand comprises coordinating atoms independently selected from the group consisting of nitrogen, phosphorous, carbon, oxygen, sulphur and selenium in 1,2 or 1,3 mutual position.(1,2-μ or 1,3-μ bonding mode); and n is an integer larger than 1. | 05-26-2011 |
20110215276 | Phosphorescent light-emitting material - The present invention relates to light emitting materials including a novel Ir complex, where the Ir is provided with a primary ligand selected from phenyl pyridine ligands substituted with at least one Cl atom. Such light emitting materials have been found to have a significantly enhanced photoluminescence quantum yield over other Ir complexes with a phenyl pyridine ligand having no Cl atom, or even over those with a phenyl pyridine ligand having a halogen atom other than Cl, such as a Br or F atom, and as a result specifically improve the efficiency of a light emitting device. The present invention further relates to the use of such light emitting materials and an organic light emitting device including such light emitting materials. | 09-08-2011 |
20110282059 | Light emitting material for use as host dopant in emissive layer for OLEDs - A light emitting material comprising a complex of formula (I): (L | 11-17-2011 |
20120012790 | Complex salts for light emitting devices - White light emitting material comprising a complex salt of the general formula [M | 01-19-2012 |
20130317212 | LIGHT EMITTING MATERIALS FOR ELECTRONICS - The present invention relates to an organometallic complex, to the preparation of said material, to the use of said material and to a light emitting device which transform electric energy into light. The present invention is further related to provide phosphorescent complexes which contribute to extend the life time in operation of said OLEDs and especially when they are involved in the EL. The objectives of this invention are accomplished by iridium complex comprising 7-membered fused ring ligands which are tris-homoleptic or bis-homoleptic with an ancillary ligand. | 11-28-2013 |
20140005397 | METAL COMPLEX COMPRISING A LIGAND HAVING A COMBINATION OF DONOR-ACCEPTOR SUBSTITUENTS | 01-02-2014 |