Fullerene solar cells with cholesteric liquid crystal doping

Jiang Lulu¹, Jiang Yurong^{1, 2}, Zhang Congcong¹, Chen Zezhang¹, Qin Ruiping^{1, 2}, Ma Heng^{1, 2, †,}

The morphology features of the active layer with and without HCO. (a) The reference film, R_ms = 1.14; (b) 0.1%, R_ms = 0.87; (c) 0.3%, R_ms = 1.01; (d) 0.5%, R_ms = 0.94; (e) 0.7%, R_ms = 0.97; (f) 0.9%, R_ms = 1.07.