Synthesis and color-tunable emission studies of Y2Si3O3N4:Ce3+, Tb3+ phosphors

被引：8

作者：

Zhu, Jicheng ^{[1
]}

Qin, Shigiang ^{[1
]}

Xia, Zhiguo ^{[1
]}

Liu, Quanlin ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Mat Sci, Beijing 100083, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2015年 / 41卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Optical properties; Oxynitride; Phosphor; Energy transfer; ENERGY-TRANSFER; CRYSTAL-STRUCTURE; LUMINESCENCE; PHOTOLUMINESCENCE; Y3SI5N9O;

D O I：

10.1016/j.ceramint.2015.06.092

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：

The exploration of new color-tunable materials for solid-state lighting based on InGaN semiconductors has attracted great attention. Herein a series of Ce3+, Tb3+ and Ce3+/Tb3+ co-doped Y2Si3O3N4 phosphors have been developed. The intense green emission peaking at 543 nm was observed in the Y2Si3O3N4:Ce3+,Tb3+ phosphors. Energy transfer (ET) process from Ce3+ to Tb3+ was verified via the variations of the lifetime values of Ce3+, and the ET mechanism is ascribed to the dipole-dipole interaction. The ET critical distance has been calculated by the concentration quenching method. It is believed that the Ce3+/Tb3+-activated Y2Si3O3N4 phosphors can serve as potential materials for near ultraviolet (n-UV) light emitting diode (LED). (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：12633 / 12637

页数：5

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