Bi4BPO10:Dy3+: a single-phase white-emitting phosphor for light- emitting diodes

被引：30
作者：
Zheng, Youkui [1 ]
Li, Hong [1 ]
Yang, Tongsheng [1 ]
Li, Junpeng [1 ]
Yang, Shuqing [1 ]
Zhu, Jing [1 ]
机构：
[1] Yunnan Univ, Sch Mat & Energy, Yunnan Key Lab Carbon Neutral & Green Low carbon T, Yunnan Key Lab Micro Nano Mat & Technol,Key Lab LC, Kunming 650091, Peoples R China
来源：
MATERIALS TODAY CHEMISTRY | 2022年 / 26卷
基金：
中国国家自然科学基金;
关键词：
Borophosphate; Content quenching; Photoluminescence; Thermostability; Dysprosium; ENERGY-TRANSFER; MICROSTRUCTURES;
D O I：
10.1016/j.mtchem.2022.101199
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We reported a single-phase white-emitting phosphor Bi4BPO10 (BBP):Dy3+ developed via a solid-state reaction route. Dy3+ activator is introduced into the BBP host by replacing Bi3+ ion with optimal con-tent of 7 mol%. Under 390 nm excitation, due to the suitable combination of characteristic yellow and blue-emitting from Dy3+, the phosphor generates white light. The working temperature-dependent photoluminescence data confirms that it owns a satisfactory thermostability. Finally, the representa-tive BBP:0.07Dy3+ phosphor-converted WLED device is pumped by a n-NV chip to display white light with a CCT of 3731 K. The report indicates that the studied phosphor could be potentially employed for solid-state white lighting source.(c) 2022 Elsevier Ltd. All rights reserved.
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页数：9
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