NUV-pumped luminescence of thermally stable samarium-activated alkali metal borophosphate phosphor

被引：32
作者：
Fang, Zhenyu [1 ]
Yang, Dan [1 ]
Zheng, Youkui [1 ]
Song, Jialiang [1 ]
Yang, Tongsheng [1 ]
Song, Ruitong [1 ]
Xiang, Yuefei [1 ]
Zhu, Jing [1 ]
机构：
[1] Yunnan Univ, Natl Ctr Int Res Photoelect & Energy Mat, Sch Mat & Energy, Key Lab LCR Mat & Devices Yunnan Prov, Kunming 650091, Yunnan, Peoples R China
来源：
JOURNAL OF ADVANCED CERAMICS | 2021年 / 10卷 / 05期
基金：
中国国家自然科学基金;
关键词：
KNa4B2P3O13 (KNBP); Sm3+ luminescence; concentration quenching; thermostability; PHOTOLUMINESCENCE PROPERTIES; RED PHOSPHOR; CRYSTAL; BAND; BEHAVIOR; PROGRESS;
D O I：
10.1007/s40145-021-0492-z
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Exploring outstanding rare-earth activated inorganic phosphors with good thermostability has always been a research focus for high-power white light-emitting diodes (LEDs). In this study, we report a Sm3+-activated KNa4B2P3O13 (KNBP) powder phase. Its particle morphology, photoluminescence properties, concentration quenching mechanism, thermal quenching mechanism, and chromatic properties are demonstrated. Upon the near-ultraviolet (NUV) irradiation of 402 nm, the powder phase exhibits orange-red visible luminescence performance, originating from typical (4)G(5/2)-> H-6(J/2) (J = 5, 7, 9) transitions of Sm3+. Importantly, the photoluminescence performance has good thermostability, low correlated color temperature (CCT), and high color purity (CP), indicating its promising application in the NUV-pumped warm white LEDs.
引用
收藏
页码：1072 / 1081
页数：10
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