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

被引：33

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

页码：1072 / 1081

页数：10

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