Phase segregation due to ion migration in all-inorganic mixed-halide perovskite nanocrystals

Huichao Zhang; Xu Fu; Ying Tang; Hua Wang; Chunfeng Zhang; William W. Yu; Xiaoyong Wang; Yu Zhang; Min Xiao

doi:10.1038/s41467-019-09047-7

Nature Communications (Mar 2019)

Phase segregation due to ion migration in all-inorganic mixed-halide perovskite nanocrystals

Huichao Zhang,
Xu Fu,
Ying Tang,
Hua Wang,
Chunfeng Zhang,
William W. Yu,
Xiaoyong Wang,
Yu Zhang,
Min Xiao

Affiliations

Huichao Zhang: National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University
Xu Fu: National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University
Ying Tang: National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University
Hua Wang: State Key Laboratory of Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University
Chunfeng Zhang: National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University
William W. Yu: State Key Laboratory of Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University
Xiaoyong Wang: National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University
Yu Zhang: State Key Laboratory of Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University
Min Xiao: National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University

DOI: https://doi.org/10.1038/s41467-019-09047-7
Journal volume & issue: Vol. 10, no. 1
pp. 1 – 8

Abstract

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Mixed-halide perovskites possess excellent semiconductor properties but suffer severely from notorious light-induced phase segregation effect. Here Zhang et al. employ simple photoluminescence measurements to link the effect to the local electric field induced ion migration process.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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