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) Schematic plot of the p–n junction interface between the n-type CdS buffer layer and p-type absorber layer: Cu₂ZnSn(S,Se)₄ with high concentration of Cu_Zn antisite defects limiting (top) and component-graded (Cu_1−xAg_x)₂ZnSn(S,Se)₄ alloys free of -limiting Cu_Zn defects (bottom). Adapted from Ref. [60].