Back Interface and Absorber Bulk Deep‐Level Trap Optimization Enables Highly Efficient Flexible Antimony Triselenide Solar Cell. - Yang, Jia; Chen, Mingdong; Chen, Guojie; Hou, Yanqing; Su, Zhenghua; Chen, Shuo; Zhao, Jun; Liang, Guangxing (Advanced Science, 2024)