Evidence of Polaron Formation in Halide Perovskites via Carrier Effective Mass Measurements
Di Bao, Qing Chang, Bingbing Chen, Xiaoxuan Chen, Handong Sun, Yeng Ming Lam, Daming Zhao, Jian‐Xin Zhu, Elbert E. M. Chia
Abstract
A combination of transient spectroscopy techniques provides an estimate of the time-resolved effective carrier mass and carrier-phonon coupling constant in a photovoltaic absorber, here applied to lead-halide perovskites.
Topics & Concepts
PolaronHalideEffective mass (spring–mass system)Perovskite (structure)Materials scienceChemical physicsChemistryInorganic chemistryPhysicsCrystallographyNuclear physicsElectronQuantum mechanicsPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsSolid-state spectroscopy and crystallography