Tailored Polymeric Hole-Transporting Materials Inducing High-Quality Crystallization of Perovskite for Efficient Inverted Photovoltaic Devices

Wenxin Xu, Guiqiu Zhao, Mubai Li, Yuyu Pan, Hongzhuang Ma, Riming Sun, Jungan Wang, You Liu, Cheng Chen, Wei Huang, Fangfang Wang, Tianshi Qin