Synthesis, luminescence property and thermal stability of KMgLa(PO4)2:Tb3+ phosphor

被引：8
|
作者：
Yang, Zhiping [1 ]
Bai, Qiongyu [1 ]
Li, Ting [1 ]
Xu, Shuchao [1 ]
Dong, Hongyan [1 ]
Wang, Zhijun [1 ]
Li, Panlai [1 ]
机构：
[1] Hebei Univ, Coll Phys Sci & Technol, Baoding 071002, Peoples R China
来源：
OPTIK | 2016年 / 127卷 / 20期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Luminescence; Phosphors; KMgLa(PO4)(2); Tb3+; EUROPIUM; NITRIDE; CA;
D O I：
10.1016/j.ijleo.2016.07.031
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A series of Tb3+ doped KMgLa(PO4)(2) have been prepared via a high-temperature solid-state method. KMgLa(PO4)(2):Tb3+ shows the characteristic green emission, and the peak locates at 546 nm, which corresponds to the D-5(4)-> F-7(5) transition of Tb3+. The emission intensities are influenced by the Tb3+ concentration, and the concentration quenching effect is observed, and the critical distance is calculated to be 1.135 nm. Its CIE chromaticity coordinates are shifted from green to greenish-yellow with increasing Tb3+. concentration. The emission intensity of KMgLa(PO4)(2):Tb3+ has a good thermal stability, when measuring temperature turned up to 150 degrees C, the emission intensity is about 80.0% of the initial value at room temperature. (C) 2016 Elsevier GmbH. All rights reserved.
引用
收藏
页码：9338 / 9343
页数：6
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