Sodium chloride methanol solution spin-coating process for bulk-heterojunction polymer solar cells
Liu Tong-Fang1, Hu Yu-Feng1, †, , Deng Zhen-Bo1, ‡, , Li Xiong2, Zhu Li-Jie1, Wang Yue1, Lv Long-Feng1, Wang Tie-Ning1, Lou Zhi-Dong1, Hou Yan-Bing1, Teng Feng1
       

(a) J–V curves for P3HT:PC61BM-based PSCs with or without (w/o) treatment under an illumination of 100 mW/cm2, and the inset shows the configuration of the PSCs. (b) EQEs of the PSCs with or without treatment.