Sol-gel preparation and photoluminescence properties of CaREAl3O7:Eu3+ (RE = Y, Gd, Lu) phosphors

被引：9
|
作者：
Liao, Jinsheng [1 ]
Liu, Shaohua [1 ]
Liu, Bao [1 ]
Nie, Liling [1 ]
Fu, Junxiang [1 ]
Wen, He-rui [1 ]
机构：
[1] Jiangxi Univ Sci & Technol, Sch Met & Chem Engn, Ganzhou 341000, Jiangxi, Peoples R China
来源：
OPTIK | 2015年 / 126卷 / 23期
基金：
中国国家自然科学基金;
关键词：
CaREAl3O7:Eu3+; Phosphor; Sol-gel; Luminescence; LUMINESCENT PROPERTIES; LIGHT; GDCAAL3O7; EU3+;
D O I：
10.1016/j.ijleo.2015.07.156
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
CaREAl3O7:Eu3+ (RE = Y, Gd, Lu) phosphors have been prepared by sol-gel method. The effect of rare earth ions on the luminescence of CaREAl3O7:Eu3+ were investigated. In CaREAl3O7:Eu3+ system the emission intensity can be ordered as follows: Y approximate to Gd > Lu. Moreover, under 393 nm light excitation all compounds exhibited strong luminescence of D-5(0)-F-7(2) at 617 nm. The excitation spectra implied that these phosphors can effectively absorb the emission of near UV-LED chips. All the results indicate that these phosphors are promising red-emitting phosphors pumped by near-UV light. (C) 2015 Elsevier GmbH. All rights reserved.
引用
收藏
页码：3781 / 3785
页数：5
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