Dynamics of anion exchange in cesium lead halide (CsPbX<sub>3</sub>) perovskite nanocrystals
Yuhang Sheng, Aiqing Zhao, Songyan Yuan, Cihui Liu, Xiaowei Zhang, Yunsong Di, Zhixing Gan
Abstract
By investigating <italic>in situ</italic> PL spectra, the anion exchange of perovskite nanocrystals is divided into three stages, <italic>i.e.</italic> photon reabsorption process, initial anion exchange, and adequate anion exchange.
Topics & Concepts
ChemistryHalideCaesiumNanocrystalPerovskite (structure)IonIon exchangeLead (geology)Inorganic chemistryChemical physicsNanotechnologyCrystallographyOrganic chemistryMaterials scienceGeologyGeomorphologyPerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyThermal Expansion and Ionic Conductivity