<i>In situ</i> molecular compensation in wide-bandgap perovskites for efficient all-perovskite tandem solar cells

Authors: Sheng Fu, Nannan Sun, Shuaifeng Hu, Hao Chen, Xinxin Jiang, Yunfei Li, Xiaotian Zhu, Xuemin Guo, Wenxiao Zhang, Xiaodong Li, Andrey S. Vasenko, Junfeng Fang

Published: 2025-04-26

DOI: 10.1039/d5ee01369k

Source: Full article


Abstract

5-AVAI, with its larger dipole and amphoteric nature, can effectively compensate for SAM-deficient interfaces and GB defects in WBG perovskite sub-cells, leading to efficient tandems.