Patent application number | Description | Published |
20090283726 | METALLIC FINE PARTICLES, PROCESS FOR PRODUCING THE SAME, COMPOSITION CONTAINING THE SAME, AND USE THEREOF - A process for producing metallic fine particles is provided by, the reduction of the metallic ions performed in two steps using two types of reducing agents which significantly differ in reducing ability thereof, in which a reducing agent in which the reduction ability is strong is used in the first reduction step, and a reducing agent in which the reduction ability is weak is used in the second reduction step, and the nano-sized metallic fine particles are produced. An aqueous metallic salt solution containing a surfactant is used and a two-step reduction is performed in the same vessel, in which as the reducing agent of the first reduction process, at least one selected from the group consisting of boron hydride, dimethylamine borane, hydrazine, and ascorbic acid is used, and as the reducing agent of the second reduction process, specific alkylamine or alkanolamine is used. | 11-19-2009 |
20100126582 | CONDUCTIVE 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/μm | 05-27-2010 |
20100218822 | COMPPSITE FILM FOR SUPERSTRATE SOLAR CELL, METHOD FOR PRODUCING THE COMPOSITE FILM FOR SUPERSTRATE SOLAR CELL, COMPOSITE FILM FOR SUBSTRATE SOLAR CELL, AND METHOD FOR PORDUCING THE COMPOSITE FILM FOR SUBSTRATE SOLAR CELL - A composite film for a superstrate solar cell or a substrate solar cell has a transparent conductive film and a conductive reflective film, wherein the transparent conductive film is formed by using a wet coating method to apply a transparent conductive film composition or dispersion containing microparticles of a conductive oxide, the conductive reflective film is formed by using a wet coating method to apply a conductive reflective film composition containing metal nanoparticles, the average diameter of holes occurring at the contact surface of the conductive reflective film on either the side of the photovoltaic layer or the side of the transparent conductive film is not more than 100 nm, the average depth at which the holes are positioned is not more than 100 nm, and the number density of the holes is not more than 30 holes/μm | 09-02-2010 |
20120308720 | CONDUCTIVE 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/μm | 12-06-2012 |
Patent application number | Description | Published |
20090250106 | COMPOSITION FOR MANUFACTURING ELECTRODE OF SOLAR CELL, METHOD OF MANUFACTURING SAME ELECTRODE, AND SOLAR CELL USING ELECTRODE OBTAINED BY SAME METHOD - A composition for manufacturing an electrode of a solar cell, comprising metal nanoparticles dispersed in a dispersive medium, wherein the metal nanoparticles contain silver nanoparticles of 75 weight % or more, the metal nanoparticles are chemically modified by a protective agent having a main chain of organic molecule comprising a carbon backbone of carbon number of 1 to 3, and the metal nanoparticles contains 70% or more in number-average of metal nanoparticles having a primary grain size within a range of 10 to 50 nm. | 10-08-2009 |
20100096002 | COMPOSITION FOR ELECTRODE FORMATION AND METHOD FOR FORMING ELECTRODE BY USING THE COMPOSITION - A composition for electrode formation containing metal nanoparticles dispersed in a dispersion medium, wherein the composition also comprises one or more organic polymers selected from the group consisting of polyvinylpyrrolidones, polyvinylpyrrolidone copolymers, polyvinyl alcohols, and cellulose ethers. | 04-22-2010 |
20100101637 | DISPERSION OF METAL NANOPARTICLES, METHOD FOR PRODUCING THE SAME, AND METHOD FOR SYNTHESIZING METAL NANOPARTICLES - The present invention aims to provide a method for producing a dispersion of metal nanoparticles which enables to control the shape and the particle diameter over a wide range, a dispersion of metal nanoparticles having superior dispersion stability, and a method for producing the same. In addition, the present invention further aims to provide a dispersion of metal nanoparticles which has a volume resistivity of 2×10 | 04-29-2010 |