Superior fluorescence and high stability of B-Si-Zn glasses based on Mn-doped CsPbBrxI3-x nanocrystals

被引：27
作者：
He, Meiling [1 ]
Ding, Ling [1 ]
Liu, Shengnan [1 ]
Shao, Guangzhan [1 ]
Zhang, Zelong [1 ]
Liang, Xiaojuan [1 ]
Xiang, Weidong [1 ]
机构：
[1] Wenzhou Univ, Coll Chem & Mat Engn, Wenzhou 325035, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 780卷
基金：
中国国家自然科学基金;
关键词：
Mn2+-doped CsPbBrxI3-x NC glasses; High luminescent intensity; Narrowband emission; High stability; HALIDE PEROVSKITE NANOCRYSTALS; DUAL-COLOR EMISSION; QUANTUM DOTS; TEMPERATURE SYNTHESIS; ENERGY-TRANSFER; WHITE LEDS; CSPBX3; X; CL; PHOTOLUMINESCENCE; LUMINESCENCE;
D O I：
10.1016/j.jallcom.2018.11.382
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
CsPbX3 perovskite nanocrystals (NCs) are still limited in their use due to their extreme instability in the air as they will deteriorate in a few days, and their thermal stability is not optimistic. In this study, the red CsPbBrxI3-x (X=1.5, 1.0, 0.8, 0.5, 0.35, 0) NCs and Mn-doped CsPbBrxI3-x NC in zinc borosilicate (B2O3-SiO2-ZnO) glass with cubic perovskite crystal structure were successfully synthesized through melt-quenching and heat-treatment method, which exhibited strong red emission in region of 572 nm -708 nm under 365 nm excitation. Additionally they are stable in the air for several months while showing excellent thermal stability. It is worth mentioning that Mn-doped CsPbBrxI3-x NC glasses are brighter than CsPbBrxI3-x NC glasses under UV light. Because Mn-doped CsPbBrxI3-x NC glasses have good thermal and air stability, they can be used as a red fluorescent material. We fabricated glass with Y3Al5O12:Ce3+ (YAG:Ce3+) phosphor-in-glass (PiG) realized the chromaticity tuning for YAG:Ce3+ phosphor with white light-emitting-diodes (WLED). (C) 2018 Elsevier B.V. All rights reserved.
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收藏
页码：318 / 325
页数：8
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