High‐Performance Flexible All‐Perovskite Tandem Solar Cells with Reduced VOC‐Deficit in Wide‐Bandgap Subcell. - Lai, Huagui; Luo, Jincheng; Zwirner, Yannick; Olthof, Selina; Wieczorek, Alexander; Ye, Fangyuan; Jeangros, Quentin; Yin, Xinxing; Akhundova, Fatima; Ma, Tianshu; He, Rui; Kothandaraman, Radha K.; et al. (Advanced Energy Materials, 2022)