Dual‐Asymmetric Solid Additive Enables Eco‐friendly All‐Polymer Solar Cells with Over 19 % Efficiency and Excellent Stability. - Liang, Qiming; Li, Henan; Xu, Wan; Lu, Junyi; Ma, Ruijie; Bai, Qingqing; Sun, Xiaokang; Chen, Mingqing; Zhu, Liangxiang; Liu, Qian; Guo, Yuting; Zhang, Guangye; et al. (Angewandte Chemie International Edition, 2025)