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Issue 7, 2020
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Strongly quantum-confined Mn2+-doped CsPbBr3 nanocrystals in MCM-41 with pure blue emission

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Abstract

Mn2+-doped CsPbBr3 nanocrystals (NCs) within MCM-41 mesophase silica have been prepared via a template-assisted strategy by using MCM-41 as the template. The template-synthesized CsPb1−xMnxBr3 NCs (x = 0–1) with the investigated perovskite compositions are luminescent with 465 nm pure blue light. The coprecipitation of bulk materials can be controlled by varying the amount of Mn2+ doping because the formation energy of CsPbBr3 NCs rises slightly on increasing the Mn2+ content and then decreases with the further increase in the Mn2+ content. Furthermore, they also exhibit excellent UV and air stability due to the existence of MCM-41 mesoporous silica and can be used as phosphors for solid-state lighting.

Graphical abstract: Strongly quantum-confined Mn2+-doped CsPbBr3 nanocrystals in MCM-41 with pure blue emission

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Supplementary files

Article information


Submitted
05 Dec 2019
Accepted
20 Jan 2020
First published
21 Jan 2020

New J. Chem., 2020,44, 2980-2985
Article type
Paper

Strongly quantum-confined Mn2+-doped CsPbBr3 nanocrystals in MCM-41 with pure blue emission

Z. Li, L. Li, H. Liu, F. Li, J. Zhao and Y. Wang, New J. Chem., 2020, 44, 2980
DOI: 10.1039/C9NJ06053G

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