Theoretical study on the kesterite solar cells based on Cu2ZnSn(S,Se)4 and related photovoltaic semiconductors |
(color online) The crystal structures of (a) the kesterite and (b) Cu/Zn partially disordered kesterite Cu2ZnSnS4. Partially disordered means that the Cu/Zn disordered occupation exists only in the (001) CuZn layers, so the symmetry of the crystal lattice is also I-4, equivalent to that of the stannite structure. Adapted from Ref. [ |
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