Device Physics and Design Principles of Mixed‐Dimensional Heterojunction Perovskite Solar Cells. - Zhang, Yuqi; Yang, Zhenhai; Ma, Tianshu; Ai, Zhenhai; Bao, Yining; Shi, Luolei; Qin, Linling; Cao, Guoyang; Wang, Changlei; Li, Xiaofeng (Small Science, 2024)