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Method for preparing a thin layer of an absorber made of copper, zinc and tin sulfide(s), annealed thin layer and photovoltaic device thus obtained
Method for preparing a thin layer of an absorber made of copper, zinc and tin sulfide(s), annealed thin layer and photovoltaic device thus obtained
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机译:制备由铜,锌和锡的硫化物制成的吸收体的薄层的方法,退火的薄层以及由此获得的光伏器件
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摘要
The present invention provides a thin compact crystallized layer with large grains of an absorber material essentially consisting of Cu, Zn and Sn sulphide(s), preferably CZTS, with less defects and preferably with improved composition homogeneity and/or reduced content of secondary phases, by producing a method for double annealing, in determined atmospheres, of thin layers of particles of a so-called absorber material based on copper, zinc and tin sulphide, preferably on CZTS, deposited on a substrate covered with molybdenum (Mo), said thin annealed absorber layer deposited on said Mo substrate imparting improved photovoltaic performances to a photovoltaic device which comprises them.
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