Upconversion luminescence from poly-crystalline Yb3+, Er3+ co-doped NaGd(MoO4)(2) by simple solid state method

被引：0
|
作者：
Kang, Suk Hyun [1 ]
Kang, Hyo Sang [1 ]
Lee, Hee Ae [1 ]
Shim, Kwang Bo [1 ]
机构：
[1] Hanyang Univ, Div Mat Sci & Engn, Seoul 04763, South Korea
来源：
JOURNAL OF THE KOREAN CRYSTAL GROWTH AND CRYSTAL TECHNOLOGY | 2016年 / 26卷 / 04期
关键词：
Upconversion; NaGd(MoO4)(2); Two-photon process; Rare earth ion;
D O I：
10.6111/JKCGCT.2016.26.4.159
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Up-conversion (UC) luminescence properties of polycrystalline Er3+/Yb3+ doped NaGd(MoO4)(2) phosphors synthesized by a simple solid-state reaction method were investigated in detail. Used to 980 nm excitation (InfraRed area), Er3+/Yb3+ co-doped NaGd(MoO4)(2) exhibited very weak red emissions near 650 and 670 nm, and very strong green UC emissions at 540 and 550 nm corresponding to the infra 4f transitions of Er3+ (F-4(9/2), H-2(11/2), S-4(3/2))-> Er3+ (I-4(15/2)). The optimum doping concentration of Er3+, Yb3+ for highest emission intensity was determined by XRD and PL analysis. The Er3+/Yb3+ (10.0/10.0 mol%) co-doped NaGd(MoO4)(2) phosphor sample exhibited very strong shiny green emission. A possible UC mechanism for Er3+/Yb3+ co-doped NaGd(MoO4)(2) depending on the pump power dependence was discussed.
引用
收藏
页码：159 / 163
页数：5
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