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process for the production of solar cell thin film cu (in, ga) se2 / cds
process for the production of solar cell thin film cu (in, ga) se2 / cds
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机译:太阳能电池薄膜cu(in,ga)se2 / cds的生产方法
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摘要
A process for the preparation of a CuInGaSe2 thin film useable as an absorber layer in CulnGaSe2/CdS solar cells, in which said thin film is obtained by sputtering deposition of a Cu-Ga alloy on a CuInSe2 film, deposited on a substrate covered by an Mo film, and subsequent selenization. Before selenization, In2Se3 and Cu are mixed in a vacuum chamber in the absence of Se. The process uses a polycrystalline target for the deposition of In2Se3. This process is suitable for the production - at industrial level - of CdS thin film solar cells in which the absorber layer is constituted by Cu(In1Ga)Se2.
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