Asymmetric Acceptors with Fluorine and Chlorine Substitution for Organic Solar Cells toward 16.83% Efficiency

Tao Liu, Youdi Zhang, Yiming Shao, Ruijie Ma, Zhenghui Luo, Yiqun Xiao, Tao Yang, Xinhui Lu, Zhongyi Yuan, He Yan, Yiwang Chen, Yongfang Li