Interfaces of high efficient kesterite Cu2ZnSnS(e)4 thin film solar cells

Shoushuai Gao, Zhenwu Jiang, Li Wu +4

Cu2ZnSnS(e)4 (CZTS(e)) solar cells have attracted much attention due to the elemental abundance and the non-toxicity. However, the record efficiency of 12.6% for Cu2ZnSn(S,Se)4 (CZ…