Theoretical study on the kesterite solar cells based on Cu2ZnSn(S,Se)4 and related photovoltaic semiconductors
Ma Ji-Chao1, Wei Gao-Feng1, †, Liu Dan-Dan2
       

(color online) The calculated band structure, total and partial density of states, and the schematic plot of the band component for kesterite Cu2ZnSnS4. Adapted from Ref. [24].