Synthesis and photoluminescence of Yb2+/Dy3+ doped Ca2Si3O2N4 oxynitride phosphors

被引：3

作者：

Zou, Yingxuan ^{[1
]}

Yu, Lixin ^{[1
]}

Wu, Yuansheng ^{[1
]}

Wu, Yuheng ^{[1
]}

Gao, Zhenyu ^{[1
]}

机构：

[1] Nanchang Univ, Coll Mat Sci & Engn, 999 Xuefu Rd, Nanchang 330031, Jiangxi, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2019年 / 215卷

关键词：

Oxynitride; Yb2+; Phosphors; Photoluminescence; LUMINESCENCE PROPERTIES; NITRIDE PHOSPHORS; ALPHA-SIALON; WHITE; FLUORESCENCE; ABSORPTION; SR; CA;

D O I：

10.1016/j.jlumin.2019.116643

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Yb2+/Dy3+ doped Ca2Si3O2N4 oxynitride phosphors were successfully obtained from the precursor of rare earth doped Ca-3(PO4)(2), at a relatively low temperature without high-pressure environment. Their photoluminescence properties of Yb2+/Dy3+ singly doped Ca2Si3O2N4 phosphors were systematically investigated. A strong emission band is observed at 545 nm originating the typical transition between the allowed 4f(13)5d and 4f(14) configurations of Yb2+ under near ulreoviolet light (370 nm) excitation, which indicates that Yb2+ doped Ca2Si3O2N4 is a promising green phosphor for white LED (WLEDs). Dy3+ doped Ca2Si3O2N4 shows linear emission at 300 nm excitation.

引用

页数：4

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