Ultrasonication-assisted trace amount solvent synthesis of Cs4PbBr6 crystal with ultra-bright green light emission

Jiang, Jintian; Wang, Daoyuan; Wu, Mingfang; Peng, Ping; Li, Fang-Fang; Liu, Faqian; Jing, Renwei; Ma, Xuedan; Chao, Yan; Xiao, Zhili; Jiang, Qinglong

doi:10.1063/5.0009852

Ultrasonication-assisted trace amount solvent synthesis of Cs₄PbBr₆ crystal with ultra-bright green light emission

Journal Article · Tue Jul 21 00:00:00 EDT 2020 · APL Materials

DOI:https://doi.org/10.1063/5.0009852· OSTI ID:1656852

Jiang, Jintian ^[1]; Wang, Daoyuan ^[2]; Wu, Mingfang ^[3]; Peng, Ping ^[4]; Li, Fang-Fang ^[4]; Liu, Faqian ^[5]; Jing, Renwei ^[3]; Ma, Xuedan ^[6]; ^[3]; ^[7]; ^[2]

Jiangsu Univ. of Science and Technology (China); Univ. of Arkansas, Pine Bluff, AR (United States)
Univ. of Arkansas, Pine Bluff, AR (United States)
Jiangsu Univ. of Science and Technology (China)
Huazhong Univ. of Science and Technology, Wuhan (China)
Sun Yat-sen Univ., Zhuhai (China)
Argonne National Lab. (ANL), Lemont, IL (United States). Center for Nanoscale Materials
Argonne National Lab. (ANL), Lemont, IL (United States)

Cs₄PbBr₆ crystals have been synthesized by an ultrasonication-assisted trace amount polar solvent method. The prepared green Cs₄PbBr₆ material was found to have high photoluminescence (PL) brightness and 10 ns PL lifetime. The prepared green light emitting device can achieve the maximum brightness of 3.8 × 10⁹ cd/m², which is nearly 100 times higher than a wick. The white light emitting device based on Cs₄PbBr₆ crystals has better performance than commercial products, which can cover 32.3% of the color gamut and achieves 107.3% coverage for International Commission on Illumination (CIE)1931 and 84.8% coverage for CIE1976.

View Accepted Manuscript (DOE)

Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: National Natural Science Foundation of China (NSFC); US Department of Education; USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division

Grant/Contract Number:: AC02-06CH11357

OSTI ID:: 1656852

Journal Information:: APL Materials, Journal Name: APL Materials Journal Issue: 7 Vol. 8; ISSN 2166-532X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Ultrasonication-assisted trace amount solvent synthesis of Cs4PbBr6 crystal with ultra-bright green light emission

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