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Preparation of copper-rich copper indium (gallium) diselenide/disulfide nanoparticles
Preparation of copper-rich copper indium (gallium) diselenide/disulfide nanoparticles
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机译:富铜二铟/二硫化物铜铟(镓)纳米粒子的制备
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摘要
A method for the preparation of copper indium gallium diselenide/disulfide (CIGS) nanoparticles utilizes a copper-rich stoichiometry. The copper-rich CIGS nanoparticles are capped with organo-chalcogen ligands, rendering the nanoparticles processable in organic solvents. The nanoparticles may be deposited on a substrate and thermally processed in a chalcogen-rich atmosphere to facilitate conversion of the excess copper to copper selenide or copper sulfide that may act as a sintering flux to promote liquid phase sintering and thus the growth of large grains. The nanoparticles so produced may be used to fabricate CIGS-based photovoltaic devices.
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