%0 Journal Article %T High‐Polarizability Organic Ferroelectric Materials Doping for Enhancing the Built‐In Electric Field of Perovskite Solar Cells Realizing Efficiency over 24% %A Chen, Weijie %A Liu, Shuo %A Li, Qingqing %A Cheng, Qinrong %A He, Baosheng %A Hu, Zhijun %A Shen, Yunxiu %A Chen, Haiyang %A Xu, Guiying %A Ou, XueMei %A Yang, Heyi %A Xi, Jiachen %A Li, Yaowen %A Li, Yongfang %J Advanced Materials %V 34 %N 14 %@ 0935-9648 %D 2022-04-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve