Suppressing the penetration of 2D perovskites for enhanced stability of perovskite solar cells
Xinran Xu, Zhuoqiong Zhang, Zhuoqiong Zhang, Tanghao Liu, Pengchen Zhu, Zhipeng Zhang, Zhipeng Zhang, Guichuan Xing
Abstract
As conventional surface passivation may damage perovskite films, fluorinated PEAI with different substitution positions was studied. The m-FPEAI shows the strongest steric hindrance, thus suppressing penetration and improving device performance.
Topics & Concepts
Perovskite (structure)Materials sciencePenetration (warfare)Chemical engineeringEngineering physicsEngineeringOperations researchPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics