How temperature impacts material properties and photovoltaic performance of mixed-halide perovskite <i>via</i> light-induced ion migration
Po-Kai Kung, Ming-Hsien Li, Chen‐Fu Lin, Peter Chen
Abstract
This paper analyzes the effects of thermal and light-induced ion migration for halide perovskite. In situ measurements show that ion migration forms phase segregation and formation of iodide-rich domains, with increased carrier recombination.
Topics & Concepts
HalideMaterials sciencePerovskite (structure)IodideIonPhotovoltaic systemRecombinationPhase (matter)ThermalChemical engineeringChemical physicsInorganic chemistryThermodynamicsChemistryOrganic chemistryBiologyEngineeringBiochemistryPhysicsEcologyGenePerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsSolid-state spectroscopy and crystallography