Interfaces of high-efficiency kesterite Cu2ZnSnS(e)4 thin film solar cells
Gao Shoushuai1, Jiang Zhenwu1, Wu Li2, Ao Jianping1, †, Zeng Yu1, Sun Yun1, Zhang Yi1, ‡
       

(color online) Light and dark JV curves of CZTSe solar cells with Zn(O,S) buffer layer prepared with different TU concentration during the CBD process and CdS as a reference buffer layer. Reproduced with permission from Ref. [33].