Highly efficient bifacial semitransparent perovskite solar cells based on molecular doping of CuSCN hole transport layer
Hou Shixin1, 2, 3, 4, 5, Shi Biao1, 2, 3, 4, 5, Wang Pengyang1, 2, 3, 4, 5, †, Li Yucheng1, 2, 3, 4, 5, Zhang Jie1, 2, 3, 4, 5, Chen Peirun1, 2, 3, 4, 5, Chen Bingbing1, 2, 3, 4, 5, Hou Fuhua1, 2, 3, 4, 5, Huang Qian1, 2, 3, 4, 5, Ding Yi1, 2, 3, 4, 5, Li Yuelong1, 2, 3, 4, 5, Zhang Dekun1, 2, 3, 4, 5, Xu Shengzhi1, 2, 3, 4, 5, Zhao Ying1, 2, 3, 4, 5, Zhang Xiaodan1, 2, 3, 4, 5, ‡
       

Reverse and forward J–V curves of the optimal CsFAMA PSCs using (a) CuSCN and (b) F4TCNQ-doped CuSCN as HTMs under 1-sun illumination.