Theoretical study on the kesterite solar cells based on Cu<sub>2</sub>ZnSn(S,Se)<sub>4</sub> and related photovoltaic semiconductors

Theoretical study on the kesterite solar cells based on Cu₂ZnSn(S,Se)₄ and related photovoltaic semiconductors

Ma Ji-Chao¹, Wei Gao-Feng^{1, †}, Liu Dan-Dan²

(color online) The GGA calculated band gaps of CuZn–IV–S₄. Compared to the experimental values, the GGA calculated values have a general underestimation by about 1.4 eV for these semiconductors. Adapted from Ref. [10].