Mitsubishi Materials Corporation

Dai Nippon Toryo Co., Ltd.

Other

Ube Industries, Inc.

Sumitomo Osaka Cement Co., Ltd.

Taiheiyo Cement Corporation

Yoshiaki Takata

Kazuhiko Yamasaki

Toshiharu Hayashi

Hiroki Hirata

Masato Murouchi

Daigou Mizoguchi

Jun-etsu Satoh

Masanori Nagai

Masaoki Ishihara

Yasuro Niidome

Sunao Yamada

Masahide Arai

Koji Nishioka

Hideya Kawasaki

Hirokazu Shima

Airi Katagiri

Satoko Ogawa

Jun-Etsu Satoh

Yasuro Nidome

A first radiance meter is directed toward an object to be measured, radiance is measured through a space where dust is present with the use of at least two wavelengths by the first radiance meter, second radiance meters which are equal in number to one or more objects having temperatures different from that of the object to be measured are directed toward the objects, radiances are measured through the space with the use of at least two wavelengths by the second radiance meters respectively, and a temperature of the object to be measured, a temperature of the dust, and concentration of the dust are measured from the radiances measured by the first radiance meter and the second radiance meters.

Method of measuring temperature of an object to be measured, dust temperature and dust concentration

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/&#x3bc;mor less.

Method for producing a conductive reflective film

A first radiance meter that is provided so as to face an object in an atmosphere in which there is dust and measures the radiance of the object and a second radiance meter that is provided so as not to oppose the object and measures the radiance of the dust between the object and the first radiance meter are used to measure the temperature of the object on the basis of the object radiance that has been measured by the first radiance meter and the radiance of the dust between the object and the first radiance meter that has been measured by the second radiance meter.

Method for measuring temperature of object in atmosphere having dust

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.

Composition for manufacturing electrode of solar cell, method of manufacturing same electrode, and solar cell using electrode obtained by same method

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&#xd7;10to 6&#xd7;10&#x3a9;&#xb7;cm and is suitable for use as an electrically conductive material, and a method for producing the same. Moreover, the present invention further aims to provide a method for synthesizing metal nanoparticles which can produce metal nanoparticles suitable for use as electrically conductive materials by synthesizing the metal nanoparticles from a insoluble metal salt which is free of corrosive materials.

Dispersion of metal nanoparticles, method for producing the same, and method for synthesizing metal nanoparticles

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/&#x3bc;m.

Composite film for superstrate solar cell having conductive film and electroconductive reflective film formed by applying composition containing metal nanoparticles and comprising air pores of preset diameter in contact surface

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.

Composition for electrode formation and method for forming electrode by using the composition

Conductive reflective film and production method thereof

The present invention provides metal fine particles which have selective wavelength absorption characteristics in a wavelength region from visible light to near infrared light, and have sharp absorption characteristics, and influences little the surrounding wavelength, and therefore, they yield tones having high chroma. The present invention provides metal fine particles wherein an aspect ratio is in a range from 1.1 to 8.0, a maximum absorption wavelength in plasmon absorption is in a range from 400 nm to 1,200 nm, and an absorption coefficient at a peak position of the maximum absorption wavelength is in a range from 6,000 to 20,000 L/mol&#xb7;cm (measurement concentration: 1.6&#xd7;10mol/L, and solvent: water).

Metal fine particles, composition containing the same, and production method for producing metal fine particles

A method for manufacturing metal nanorods includes: a step of adding a reducing agent to a metallic salt solution; a step of radiating light into the metallic salt solution containing the reducing agent; and a step of leaving the light-radiated metallic salt solution containing the reducing agent stationary in a dark place so as to grow metal nanorods. Metal nanorods can be also grown by forming a mixed solution by fractionating the above light-radiated metallic salt solution and mixing the fractionated metallic salt solution into a non-radiated metallic salt solution containing the reducing agent, or mixing a non-radiated metallic salt solution and the reducing agent into the above light-radiated metallic salt solution; and leaving the mixed solution stationary in a dark place so as to grow metal nanorods.

Method for manufacturing metal nanorods 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.

Growing community of inventors

Iwaki, Japan

Yoshiaki Takata