摘要:
A process for producing a noble-metal type fine-particle dispersions, having the steps of an agglomeration step of add ing a hydrazine solution to a dispersion in which primary particles of noble-metal type fine particles have been made to stand monodisperse in a solvent, to destabilize the dispersibility of the noble-metal type fine particles in the dispersion and cause the plurality of primary particles in the noble-metal type fine particles to agglomerate in the form of chains to obtain a dispersion of chainlike agglomerates; and a stabilization step of adding a hydrogen peroxide solution to the dispersion of the chainlike agglomerates obtained, to decompose and remove the hydrazine to stabilize the dispersibility of the chainlike agglomerates in the dispersion.
摘要:
The present invention pertains to a transparent conductive layered structure having a transparent substrate and a transparent 2-layer film consisting of a transparent conductive layer and a transparent coating layer formed in succession on this substrate, that is used for instance, in the front panel of displays, such as CRTs, etc. The above-mentioned transparent conductive layer has as its main components noble metal microparticles with a mean particle diameter of 1 to 100 nm composed of gold and/or platinum and silver and containing 5 to 95 wt % gold and/or platinum, colored pigment microparticles with a mean particle diameter of 5 to 200 nm, and binder matrix. The noble metal microparticles are mixed at a ratio of 1 to 40 parts by weight per 1 part by weight colored pigment microparticles. Moreover, it is characterized in that the transparent 2-layer film has a surface resistance of 10 to 5000 &OHgr;/□, reflectance of 0 to 2.5%, visible light transmittance of 40 to 75%, and standard deviation of transmittance at each wavelength in 5 nm intervals of the visible light wavelength region being 0 to 5%.
摘要:
A process for producing a noble-metal type fine-particle dispersions, having the steps of an agglomeration step of adding a hydrazine solution to a dispersion in which primary particles of noble-metal type fine particles have been made to stand monodisperse in a solvent, to destabilize the dispersibility of the noble-metal type fine particles in the dispersion and cause the plurality of primary particles in the noble-metal type fine particles to agglomerate in the form of chains to obtain a dispersion of chainlike agglomerates; and a stabilization step of adding a hydrogen peroxide solution to the dispersion of the chainlike agglomerates obtained, to decompose and remove the hydrazine to stabilize the dispersibility of the chainlike agglomerates in the dispersion.
摘要:
A process for producing a noble-metal type fine-particle dispersions, having the steps of an agglomeration step of adding a hydrazine solution to a dispersion in which primary particles of noble-metal type fine particles have been made to stand monodisperse in a solvent, to destabilize the dispersibility of the noble-metal type fine particles in the dispersion and cause the plurality of primary particles in the noble-metal type fine particles to agglomerate in the form of chains to obtain a dispersion of chainlike agglomerates; and a stabilization step of adding a hydrogen peroxide solution to the dispersion of the chainlike agglomerates obtained, to decompose and remove the hydrazine to stabilize the dispersibility of the chainlike agglomerates in the dispersion.
摘要:
By using a coating method, which is a simple method of manufacturing a transparent conductive film at low cost, a transparent conductive film formed with heating at a low temperature, in particular, lower than 300° C. with both of excellent transparency and conductivity and also with excellent film strength and a method of manufacturing this transparent conductive film are provided.
摘要:
Provided is a method of manufacturing a metal oxide film to be formed through the following processes: a coating process of forming a coating film on a substrate by using a coating liquid for forming metal oxide film containing any of various organometallic compounds; a drying process of making the coating film into a dried coating film; and a heating process of forming an inorganic film from the dried coating film under an oxygen-containing atmosphere having a dew-point temperature equal to or lower than −10° C.
摘要:
A dispersion-type EL element formed on a thin or flexible transparent plastic film and a method for manufacturing the same are provided. The dispersion-type electroluminescent element is a dispersion-type electroluminescent element with at least a transparent conductive layer, a phosphor layer, a dielectric layer, and a rear electrode layer sequentially formed on a transparent plastic film surface, in which a thickness of the transparent plastic film is less than 50 μm, and the transparent conductive layer is formed by applying compression processing to an applied layer formed by applying a transparent conductive layer forming application liquid mainly composed of conductive oxide particles and a binder on the transparent plastic film surface and then, curing the compressed layer.
摘要:
The present invention relates to a transparent conductive layered structure having a transparent substrate and a transparent conductive layer and transparent coating layer formed in succession on this substrate, used in, for instance, the front panel of CRT, etc., display devices. The main components of said transparent conductive layer are noble metal microparticles with a mean particle diameter of 1 to 100 nm, wherein the microparticles are made from gold and/or platinum and silver and the gold and/or platinum content is within a range exceeding 50 wt % up to 95 wt %, and a binder matrix. Moreover, the main components of the coating liquid used to form a transparent conductive layer in the production of a transparent conductive layered structure are solvent and noble metal-coated silver microparticles with a mean particle diameter of 1 to 100 nm dispersed in this solvent, wherein the surface of the silver microparticles is coated with gold or platinum only or a compound of gold and platinum and the gold and/or platinum content is within a range exceeding 50 wt % up to 95 wt %.
摘要:
A process for producing a fine silver particle colloidal dispersion which can simply form conductive silver layers and antimicrobial coatings by screen printing or the like. The process is characterized by having a reaction step of allowing an aqueous silver nitrate solution to react with a mixed solution of an aqueous iron(II) sulfate solution and an aqueous sodium citrate solution to form an agglomerate of fine silver particles, a filtration step of filtering the resultant agglomerate of fine silver particles to obtain a cake of the agglomerate of fine silver particles, a dispersion step of adding pure water to the cake to obtain a first fine silver particle colloidal dispersion of a water system in which dispersion the fine silver particles have been dispersed in the pure water, and a concentration and washing step of concentrating and washing the first fine silver particle colloidal dispersion of a water system.
摘要:
By using a coating method, which is a method of manufacturing a transparent conductive film, with low-temperature heating lower than 300° C., a transparent conductive film with excellent transparency, conductivity, film strength, and resistance stability and a method of manufacturing this film are provided. In the method of manufacturing a transparent conductive film, a heat energy ray irradiating step is a step of irradiating with the energy rays while heating under an oxygen-containing atmosphere to a heating temperature lower than 300° C. to form the inorganic film, and the plasma processing step is a step of performing the plasma processing on the inorganic film under a non-oxidizing gas atmosphere at a substrate temperature lower than 300° C. to promote mineralization or crystallization of the film, thereby forming a conductive oxide fine-particle layer densely packed with conductive oxide fine particles having a metal oxide as a main component.