Pure Sulfide Cu2ZnSnS4 Thin Film Solar Cells Fabricated by Preheating an Electrodeposited Metallic Stack

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Abstract

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High-performance Cu2ZnSnS4-based thin film solar cells with a maximum active-area conversion efficiency of 8% are fabricated by electrochemical deposition of Cu, Sn, and Zn metal precursor layers followed by sulfurization. Preheating treatment for a relatively long time just before the high-temperature sulfurization has a significant effect on the quality of the final Cu2ZnSnS4 films.

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