Elimination of unstable residual lead iodide near the buried interface for the stability improvement of perovskite solar cells
You Gao, Fumeng Ren, Derun Sun, Sibo Li, Guanhaojie Zheng, Jianan Wang, Hasan Raza, Rui Chen, Haixin Wang, Sanwan Liu, Peng Yu, Xin Meng, Jizhou He, Jing Zhou, Xiaodong Hu, Zhengping Zhang, Longbin Qiu, Wei Chen, Zonghao Liu
Abstract
A pre-embedding mixed A-cation halide strategy is developed to eliminate the residual unstable PbI 2 and lattice strain near the buried interface of the perovskite layer for the stability improvement of formamidinium-based perovskite solar cells.
Topics & Concepts
FormamidiniumHalidePerovskite (structure)IodideResidualMaterials scienceOptoelectronicsInorganic chemistryChemistryCrystallographyComputer scienceAlgorithmPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsSolid-state spectroscopy and crystallography