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Metal-metal chalcogenide molecular precursors to binary, ternary, and quaternary metal chalcogenide thin films for
Ruihong Zhang1, Seonghyuk Cho2, Daw Gen Lim1
1School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA. ruihong.zhang.1@purdue.edu handwerker@purdue.edu.
Abstract:
Bulk metals and metal chalcogenides are found to dissolve in primary amine-dithiol solvent mixtures at ambient conditions. Thin-films of CuS, SnS, ZnS, Cu2Sn(S(x),Se(1-x))3, and Cu2ZnSn(S(x)Se(1-x))4 (0 ≤ x ≤ 1) were deposited using the as-dissolved solutions. Cu2ZnSn(S(x)Se(1-x))4 solar cells with efficiencies of 6.84% and 7.02% under AM1.5 illumination were fabricated from two example solution precursors, respectively.
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