Highly efficient and stable Cs2TeCl6:Cr3+ perovskite microcrystals for white light emitting diodes

Author:

Zi Lu1,Xu Wen12,Song Zhijiang3,Sun Rui1,Liu Sen1,Xie Tianyu1,Zhu Jinyang3,Lu Siyu4ORCID,Song Hongwei1ORCID

Affiliation:

1. State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, 130012, Jilin, P. R. China

2. Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering, Dalian Minzu University, 18 Liaohe West Road, Dalian, 116600, P. R. China

3. State Centre for International Cooperation on Designer Low-Carbon & Environmental Materials, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450000, P. R. China

4. Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450000, P. R. China

Abstract

In this work, a series of metal ion doped Cs2TeCl6 microcrystals were prepared and obtained a highest PLQY of 81.5% in the optimum Cs2TeCl6:Cr3+ microcrystals. In addition, WLEDs based on the mixture of Cs2TeCl6:Cr3+ and BaMgAl10O17:Eu2+ phosphors exhibit high performance.

Funder

Natural Science Foundation of Jilin Province

National Natural Science Foundation of China

Outstanding Young Scientific and Technological Talents of Dalian

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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