Analysis of upconversion luminescence from Yb3+, Er3+ co-doped SrMoO4

被引：0
|
作者：
Chung, Jun Ho [1 ]
Heo, Tae Hyung [1 ]
Lee, Jeong Hoon [1 ]
Lee, Sang Yeop [1 ]
Kang, Suk Hyun [1 ]
Kim, So Yeon [1 ]
Kim, Sae Am [1 ]
Choi, Bong Geun [1 ]
Shim, Kwang Bo [1 ]
机构：
[1] Hanyang Univ, Dept Mat Sci & Engn, Seoul 133791, South Korea
来源：
JOURNAL OF THE KOREAN CRYSTAL GROWTH AND CRYSTAL TECHNOLOGY | 2012年 / 22卷 / 05期
关键词：
SrMoO4 : Yb3+/Er3+; upconversion (UC) luminescence; upconversion mechanism;
D O I：
10.6111/JKCGCT.2012.22.5.241
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Yb3+, Er3+ co-doped SrMoO4 (SrMoO4 : Yb3+/Er3+) specimens have been successfully synthesized via the complex citrate-gel method and their structural and optical properties were investigated in detail. Under 980 nm excitation, SrMoO4 : Yb3+/Er3+ UC phosphors have been emitted strong green luminescence at 530 and 550 nm with weak red emission around 670 nm corresponding to the intra 4f transitions of Er3+ (F-4(9/2), H-2(11/2), (4) S-3/2). Er3+ (I-4(15/2)). The optimal doping concentrations of Er3+ and Yb3+ ions were verified to 2/16 mol% and a possible upconversion mechanism depending on pump power dependence is studied in detail.
引用
收藏
页码：241 / 246
页数：6
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