Te^(4+)-doped Cs_(2)InCl_(5)·H_(2)O single crystals for remote optical thermometry

作     者：Jun-Hua Wei Jian-Bin Luo Jin-Feng Liao Wei-Tao Ou Dai-Bin Kuang 魏俊华;罗健彬;廖金凤;区维韬;匡代彬

作者机构：MOE Key Laboratory of Bioinorganic and Synthetic ChemistryLehn Institute of Functional MaterialsSchool of ChemistrySun Yat-sen UniversityGuangzhou 510275China 

基　　金：supported by the National Natural Science Foundation of China(U2001214) the Natural Science Foundation of Guangdong Province(2019B1515120050) the Fundamental Research Funds for the Central Universities 

出 版 物：《Science China Materials》 (中国科学（材料科学（英文版）)

年 卷 期：2022年第65卷第3期

页      码：764-772页

摘      要：Zero-dimensional metal halide perovskites have captured intense research interest owing to their unique optoelectronic ***,metal halides with the ns^(2) electronic configuration are of great interest owing to the high-temperature sensitivity of their photoluminescence,which could be applied to remote optical thermometry(ROT).Herein,all-inorganic and lead-free halide perovskite Te^(4+)-doped Cs_(2)InCl_(5)·H_(2)O single crystals(SCs)were prepared through the hydrothermal method and showed a strong temperature dependence of photoluminescence *** Te^(4+) doping,the nonemissive Cs_(2)InCl_(5)·H_(2)O SC exhibits a bright orange emission at 660 nm with a wide full width at half maximum of 180 *** strong phonon-exciton coupling promotes the formation of self-trapped excitons in the soft lattice of the zero-dimensional Te^(4+)-doped Cs_(2)InCl_(5)·H_(2)O *** Te^(4+) ions with the 5 s^(2) electronic configuration endow the Te^(4+)-doped Cs_(2)InCl_(5)·H_(2)O SC with a strong temperaturedependent photoluminescence *** SC reaches a maximum specific sensitivity of 0.062 K^(-1) at 320 K,thereby showing the potential advantages of indium-based metal halide perovskites in ROT applications.

主 题 词：metal halide perovskite remote optical thermometry photoluminescence lead-free 

学科分类：08[工学] 080501[080501] 0805[工学-能源动力学] 

核心收录：

D　O　I：10.1007/s40843-021-1792-1

馆 藏 号：203106007...