Energy transfer in Ce, Nd, and Yb co-doped YAG phosphors

被引：17

作者：

Wang, Lulu ^{[1
,2
]}

Xia, Changtai ^{[1
]}

Xu, Peng ^{[1
,2
]}

Di, Juqing ^{[1
,2
]}

Sai, Qinglin ^{[1
,2
]}

Mou, Fei ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2013年 / 11卷 / 06期

基金：

中国国家自然科学基金;

关键词：

NEAR-INFRARED EMISSION; DOWNCONVERSION; CONVERSION; NM;

D O I：

10.3788/COL201311.061604

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

YAG-Ce, Nd, and Yb phosphors with a triple-doped system are prepared by conventional solid-state reaction method. The fluorescence emission and excitation spectra are measured and analyzed. The influences of Yb3+ doping concentration on the emission of Yb3+ and Nd3+ in YAG-Ce, Nd, and Yb are studied. The fluorescence decay spectra, lifetime, and energy transfer efficiency of Ce3+ in different host materials of YAG-Ce and Yb, and YAG-Ce, Nd, and Yb are also compared. Furthermore, the trends of fluorescence decay spectra and the lifetimes of Nd3+ and Yb3+ in YAG-Ce, Nd, and Yb with the increase of Yb3+ concentration are discussed. Results indicate that YAG-Ce, Nd, and Yb are good candidates for downconverting phosphor, with energy transfer efficiency reaching as high as 82.8%.

引用

页数：4

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