Photoluminescence properties of a novel phosphor, Na3La9O3(BO3)8:RE3+ (RE = Eu,Tb)

被引：25
作者：
Bai, Xiaoyan
Zhang, Guochun
Fu, Peizhen [1 ]
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2007年 / 180卷 / 05期
基金：
中国国家自然科学基金;
关键词：
phosphors; Na3La9O3(BO3)(8); photoluminescence; borate; rare earth;
D O I：
10.1016/j.jssc.2007.03.027
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The new oxyborate phosphors, Na3La9O3(BO3)(8):Eu3+ (NLBO:Eu) and Na3La9O3(BO3)(8):Tb3+ (NLBO:Tb) were prepared by solid state reactions. The photoluminescence characteristics under UV excitation were investigated. The dominated emission of Eu3+ corresponding to the electric dipole transition (5)Do -> F-7(2) is located at 613 nm and bright green luminescence of NLBO:Tb attributed to the transition D-5(4) -> F-7(5) is centered at 544 nm. The concentration dependence of the emission intensity showed that the optimum doping concentration of Eu and Tb is 30% and 10%, respectively. (C) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码：1792 / 1795
页数：4
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