Interfaces of high-efficiency kesterite Cu<sub>2</sub>ZnSnS(e)<sub>4</sub> thin film solar cells

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

Gao Shoushuai¹, Jiang Zhenwu¹, Wu Li², Ao Jianping^{1, †}, Zeng Yu¹, Sun Yun¹, Zhang Yi^{1, ‡}

(color online) Light J–V curves of CZTSe solar cells with Zn(O,S) buffer layer prepared with different TU concentration during the CBD process before and after light soaking for 260 min. Reproduced with permission from Ref. [33].