摘要:
Disclosed are the metallic sulfide photocatalyst and its preparation method. The photocatalyst includes at least one soluble metallic salt and a sulfide with the oxidation state of S atom ≦+4. The photocatalyst is afforded by reacting the sulfide with the at least one soluble metallic salt dissolved in the complexing agent. Additionally, the photocatalyst further is customized with co-catalyst such as RuCl to form Ru-carried metallic sulfide photocatalyst. The metallic sulfide photocatalyst and Ru-carried metallic sulfide photocatalyst are capable of effectively reducing CO2 to CH3OH under the visible light illumination.
摘要:
One aspect of an indium tin oxide powder has a specific surface area of 55 m2/g or more, wherein a color tone is from bright yellow to a color of persimmons or a half-width in the peak of (222) plane is 0.6° or less on an X-ray diffraction chart. Another aspect of the indium tin oxide powder has a modified surface, wherein a specific surface area is 40 m2/g or more, a half-width in the peak of (222) plane is 0.6° or less on an X-ray diffraction chart, and a color tone is navy blue (L is 30 or less in a Lab colorimetric system). A method for producing the indium tin oxide powder includes: coprecipitating an indium tin hydroxide by using a tin (Sn2+) compound under conditions in which pH is 4.0 to 9.3, and a temperature of a liquid is 5° C. or higher; and drying and calcining the indium tin hydroxide.
摘要:
The present invention provides a semiconductor powder composed of Cu-M-Sn—S in a single phase wherein M is at least one selected from the group consisting of Zn, Co, Ni, Fe and Mn, the powder being obtained by wet synthesis, and a method for producing this semiconductor powder. According to the present invention, it is possible to provide, in a simple way, a high-grade semiconductor powder composed of a single-phase Cu-M-Sn—S such as CZTS.
摘要:
The present invention relates to synthesis of copper zinc tin sulfide, Cu2ZnSnS4. Copper zinc tin sulfide is useful as an absorber material in a thin film solar cell application.
摘要:
The present invention relates to syntheses of quaternary chalcogenide compounds such as copper zinc tin sulfide in cesium, rubidium, barium and lanthanum containing fluxes. The quaternary chalcogenides are useful as the absorber layer as a p-type semiconductor in a thin film solar cell application.
摘要:
An agent that is capable of improving dye fastness is provided. The agent includes a compound that includes at least one functional group capable of forming at least one interaction or at least one bond with a fiber or a dye molecule. Also, a method for using the agents to improve dye fastness and a dyed article including the agent are provided.
摘要:
A process for the recovery of a metal sulfide from a metal ion containing solution, including the steps of: a) providing a slurry containing seed panicles of said metal sulfide; h) adding a sulfide ion containing solution to said slurry to form an activated seed slurry; c) mixing said activated seed slurry with said metal ion containing solution to thereby form a metal sulfide precipitate; and d) recovering said metal sulfide precipitate.
摘要:
A method for manufacturing an indium tin oxide (ITO) target and methods for preparing indium oxide powder (In2O3) and tin oxide powder (SnO2). The method for manufacturing an ITO (indium tin oxide) target includes preparing an In2O3 powder having a surface area of about 10-18 m2/g and an average particle diameter of between about 40 to 80 nm; preparing a SnO2 powder having a surface area of about 8-15 m2/g and an average particle diameter of about 60-100 nm; molding a mixture of the In2O3 powder and the SnO2 powder; and sintering the mixture at atmospheric pressure under oxidation atmosphere. The ITO target is applicable for a high-quality, transparent electrode for a display, such as a liquid crystal display, electroluminescent display, or field emission display.
摘要:
The invention provides surface-treated metal oxide particles. The surface-treated metal oxide particles have specific ratios of (1) the integrated area of the resonance signals with chemical shifts in the range from −4 ppm to −33 ppm to the integrated area of the resonance signals with chemical shifts in the range from −33 ppm to −76 ppm and (2) the integrated area of the resonance signals with chemical shifts in the range from −76 ppm to −130 ppm to the integrated area of the resonance signals with chemical shifts in the range from −33 ppm to −76 ppm in the CP/MAS29Si NMR spectrum. The invention further provides a toner composition for electrophotographic image formation comprising toner particles and surface-treated metal oxide particles.
摘要翻译:本发明提供了经表面处理的金属氧化物颗粒。 经表面处理的金属氧化物颗粒具有以下特定比例:(1)谐振信号的积分面积,化学位移在-4ppm至-33ppm范围内,与谐振信号的积分面积相比,化学位移范围为 -33ppm至-76ppm和(2)谐振信号的集成面积,化学位移范围为-76ppm至-130ppm,共振信号的积分面积为-33ppm 在CP / MAS 29 Si NMR光谱中为-76ppm。 本发明还提供一种用于电子照相图像形成的调色剂组合物,其包括调色剂颗粒和经表面处理的金属氧化物颗粒。
摘要:
Physical characteristics of ATO fine particles capable of exhibiting such optical properties as a high visible light transmittance, a low solar radiation transmittance, and a low haze value when the ATO fine particles are formed on a transparent substrate or in the substrate are clarified, and the ATO fine particles having the physical characteristics thereof are manufactured. The ATO fine particles having such physical characteristics that a size of a crystallite constituting the ATO fine particles is 4 to 125 nm, and that a specific surface area of the fine particles of 5 to 110 m2/g can exhibit the above-described optical properties, and an example of a method for manufacturing thereof is to parallel-drop an antimony chloride alcoholic solution and an ammonium hydrogen carbonate aqueous solution in a tin chloride aqueous solution, thoroughly wash generated precipitates, dry and calcinate them in an atmosphere, thereby the ATO fine particles are manufactured.