YAl3(BO3)4:Tm3+, Dy3+: A potential tunable single-phased white-emitting phosphors

被引：23
|
作者：
Yang, Fan [1 ,2 ]
Liang, Yujun [1 ,2 ]
Liu, Mingyu [2 ]
Li, Xuejing [2 ]
Wu, Xiaoyong [2 ]
Wang, Nan [2 ]
机构：
[1] China Univ Geosci, Minist Educ, Engn Res Ctr Nanogeomat, Wuhan 430074, Peoples R China
[2] China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Peoples R China
来源：
OPTIK | 2013年 / 124卷 / 15期
基金：
中国国家自然科学基金;
关键词：
Solid state reaction; Photoluminescence; Single-phased; White light-emitting phosphors; UV-LIGHT EXCITATION; CRYSTAL; GLASSES; LUMINESCENCE; EMISSION; GROWTH; RED;
D O I：
10.1016/j.ijleo.2012.06.046
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Tm3+ and Dy3+ co-doped YAl3(BO3)(4) phosphors were synthesized by the solid state reaction method. The phosphors show blue emission band centered at 450 nm originated from the transition of Tm3+ ions and yellow band of 573 nm ascribed to Dy3+ ions excited by UV light. The emission colors are tuned from blue to white and ultimately to yellow through concentration variation of luminescent centers of Tm3+ and Dy3+ in YAl3(BO3)(4) phosphors. A white light can be achieved from YAl3(BO3)(4):0.03Tm(3+), 0.09Dy(3+) phosphor with chromaticity coordinates of (0.310, 0.331) under excitation at 365 nm. The results show that the single-phased YAl3(BO3)(4):Tm3+, Dy3+ phosphors are a potential phosphors for current illuminated light source. (C) 2012 Elsevier GmbH. All rights reserved.
引用
收藏
页码：2004 / 2007
页数：4
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