Unveiling the impact of photoinduced halide segregation on performance degradation in wide-bandgap perovskite solar cells
Yuxiao Guo, Cong Zhang, Linqin Wang, Xingtian Yin, Bihui Sun, Changting Wei, Xin Luo, Shiyu Yang, Licheng Sun, Bo Xu
Abstract
By varying the thickness of WBG perovskite films, we identified two distinct migration modes of halide ions under light irradiation, as well as their effects on device J SC output, which provides the feasible research direction for stable WBG PSCs.
Topics & Concepts
Perovskite (structure)HalideDegradation (telecommunications)Materials scienceBand gapOptoelectronicsEngineering physicsChemical engineeringComposite materialChemistryInorganic chemistryPhysicsComputer scienceTelecommunicationsEngineeringPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsConducting polymers and applications