NIR-excited all-inorganic perovskite quantum dots (CsPbBr3) for a white light-emitting device

被引：38
作者：
Ma, Jiao [1 ]
Wu, Hao [1 ]
Qiu, Jianbei [1 ,2 ]
Wang, Jing [3 ]
Wang, Qi [1 ]
Yang, Yong [1 ,2 ]
Zhou, Dacheng [1 ,2 ]
Han, Jin [1 ,2 ]
机构：
[1] Kunming Univ Sci & Technol, Fac Mat Sci & Engn, Kunming 650093, Yunnan, Peoples R China
[2] Key Lab Adv Mat Yunnan Prov, Kunming 650093, Yunnan, Peoples R China
[3] Sun Yat Sen Univ, Sch Chem, Sch Mat Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY C | 2019年 / 7卷 / 13期
基金：
中国国家自然科学基金;
关键词：
UP-CONVERSION; NANOCRYSTALS; LUMINESCENCE; CSPBX3; ABSORPTION; EMISSION; EFFICIENT; CATIONS; SILICA; ER3+;
D O I：
10.1039/c9tc00309f
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
All-inorganic CsPbX3 (X = Cl, Br, and I) perovskite quantum dots have great potential in the field of white light emission owing to their excellent optical properties. However, to date the research on white light based on perovskite quantum dots has focused on downconversion luminescence, while the up-conversion luminescence properties of quantum dots have received less attention due to lacking the anti-Stokes luminescence properties of the material itself, resulting in limitations in upconversion white light emission to some extent. In this paper, upconversion lanthanide ion-doped fluoride nanoparticles and perovskite quantum dots are combined; the luminescence of the quantum dots is excited successfully by the upconversion luminescence of the nanoparticles and then composite samples with white emission are obtained with regulators of concentration.
引用
收藏
页码：3751 / 3755
页数：5
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