Qun Yin, Xingyu Gao, Jinyang Yu, Lixuan Kan, Jingxuan Sun, Rui Zeng, Fei Han, Haiming Zhu, Supeng Pei, Lei Zhu, Shengjie Xu, Yongming Zhang, Feng Liu, Ming Zhang. "Polarized Heterojunction in a Doubly Doped Layer‐by‐Layer Structure to Obtain an Organic Photovoltaic Device of 20.5% Efficiency." Angewandte Chemie International Edition, 2026. doi:10.1002/anie.202521265