title: Largely enhanced efficiency with a PFN/Al bilayer cathode in high efficiency bulk heterojunction photovoltaic cells with a low bandgap polycarbazole donor.
authors: Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Physics and Chemistry of Luminescence, South China University of Technology, Guangzhou, PR China.
authors: Zhicai
authors: Z
authors: He
authors: Chen
authors: C
authors: Zhang
authors: Xiaofeng
authors: X
authors: Xu
authors: Lianjie
authors: L
authors: Zhang
authors: Liang
authors: L
authors: Huang
authors: Junwu
authors: J
authors: Chen
authors: Hongbin
authors: H
authors: Wu
authors: Yong
authors: Y
authors: Cao