Synthesis of D-π-A-π-D Type Dopant-Free Hole Transporting Materials and Application in Inverted Perovskite Solar Cells
Wang Menghan, Wan Li, Gao Xuyu, Yuan Wenbo, Fang Junfeng, Tao Youtian, Huang Wei
Acta Chimica Sinica . 2019, (8): 741 -750 .  DOI: 10.6023/A19060200