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A Novel Strategy for Preparation of Cu2(MII)(MIV)S4 Thin Films for Solar Cell: Sulfurization of Mixed Metal Oxides Precursor Synthesized by Combustion Method
Abstract:
In this study, a novel strategy for preparation of Cu2(MII)(MIV)S4 thin films was creatively proposed. Three light absorption materials Cu2MnSnS4, Cu2ZnSnS4 and Cu2ZnGeS4 were successfully synthesized based on combustion method. It was found that the combustion synthesized powder is mainly consist of several metal oxides. The band gap energy of Cu2MnSnS4, Cu2ZnSnS4 and Cu2ZnGeS4 are determined to be 1.3 eV, 1.49 eV and 2.15 eV, respectively, showing a promising application on thin film solar cells. According to our experiment results, the combustion method was confirmed to be an efficient tool to synthesize various Cu-based absorber materials by using a post-sulfurization process, which provides a new view for fabrication of high-efficient low-cost photovoltaics.
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93-97
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January 2017
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© 2017 Trans Tech Publications Ltd. All Rights Reserved
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