Interfacial defect passivation <i>via</i> imidazolium bromide for efficient, stable perovskite solar cells
Zijing Chen, Shiyu Jiang, Zhenghao Liu, Yiming Li, Jiangjian Shi, Huijue Wu, Yanhong Luo, Dongmei Li, Qingbo Meng
Abstract
1-Methyl-3-benzyl-imidazolium bromide is introduced to passivate the FAPbI 3 /spiro-OMeTAD interface for efficient and stable PSCs. The champion device achieves a PCE of 25.3% with negligible hysteresis and excellent operational stability.
Topics & Concepts
PassivationBromidePerovskite (structure)Materials scienceHysteresisChemical engineeringChampionOptoelectronicsInorganic chemistryNanotechnologyChemistryLayer (electronics)Condensed matter physicsEngineeringPhysicsPolitical scienceLawPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsOrganic Light-Emitting Diodes Research