Decisive influence of amorphous PbI<sub>2−x</sub> on the photodegradation of halide perovskites
Yue Lu, Jingcong Hu, Yang Ge, Bohai Tian, Zeyu Zhang, Manling Sui
Abstract
Amorphous PbI<sub>2−x</sub> is the critical intermediate phase during the step-by-step decomposition from MAPbI<sub>3</sub> to metallic Pb<sup>0</sup>, and it dominates the interfacial-controlled photodegradation pathway of the perovskite film.
Topics & Concepts
PhotodegradationHalideAmorphous solidPerovskite (structure)DecompositionMaterials sciencePhase (matter)MetalInorganic chemistryChemical engineeringCatalysisCrystallographyChemistryPhotocatalysisMetallurgyOrganic chemistryEngineeringPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesSolid-state spectroscopy and crystallography