Deep trap state emission in vacancy-ordered double perovskite Cs<sub>2</sub>SnCl<sub>6</sub> microcrystals
Chao Tan, Weilong Liu, Wenzhuo Li, Hongbo Qi, Xiaojun Zhu, Zhen-Ping Ji, Jian Cheng, Wenzhi Wu, Qingxin Yang
Abstract
The weak warm white light emission was discovered in Cs 2 SnCl 6 microcrystals, and was assigned to the deep trap state. The relaxation mechanism involving two deep trap states were illustrated by spectroscopic characters under variable P/T conditions.
Topics & Concepts
Materials scienceTrap (plumbing)Vacancy defectPerovskite (structure)State (computer science)CrystallographyCondensed matter physicsPhysicsChemistryMeteorologyAlgorithmComputer sciencePerovskite Materials and ApplicationsLuminescence Properties of Advanced MaterialsSolid-state spectroscopy and crystallography