Theoretical study on the kesterite solar cells based on Cu2ZnSn(S,Se)4 and related photovoltaic semiconductors |
(color online) The crystal structure mutation from (a) zinc-blende ZnS to (b) chalcopyrite CuGaS2 and (c) CuAu-like CuGaS2, then to (d) kesterite Cu2ZnSnS4, (e) stannite Cu2ZnSnS4, and (f) PMCA-Cu2ZnSnS4, and the mutation from (g) wurtzite ZnS to (h) wurtzite-chalcopyrite CuGaS2 and (i) wurtzite-CuAu CuGaS2, then to (j) wurtzite-kesterite Cu2ZnSnS4 and (k) wurtzite-stannite Cu2ZnSnS4. Adapted from Refs. [ |
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