Synthesis and characterization of up-conversion luminescence material Er3+/Yb3+ co-doped BaGd2O4

被引：0
作者：
Yang, Yan-Min [1 ]
Zhang, Jiao [1 ]
Su, Xian-Yuan [1 ]
Mi, Chao [1 ]
Li, Xiao-Hong [1 ]
Yu, Fang [1 ]
Li, Zhi-Qiang [1 ]
机构：
[1] College of Physics Science and Technology, Heibei University
来源：
Faguang Xuebao/Chinese Journal of Luminescence | 2013年 / 34卷 / 12期
关键词：
BaGd[!sub]2[!/sub] O[!sub]4[!/sub; Efficiency; Up-conversion; Yb[!sup]3+[!/sup]/Er[!sup]3+[!/sup;
D O I：
10.3788/fgxb20133412.1585
中图分类号：
学科分类号：
摘要：
Yb3+/Er3+ co-doped BaGd2O4 phosphors were prepared by the sol-gel method. The influence of annealing temperature on BaGd2O4 crystal structure was investigated. Under 971 nm excitation, the dependence of the emission power and the up-conversion efficiency on the excitation density was studied. The obtained data show that the light conversion and absolute quantum efficiency of BaGd2O4:Yb3+, Er3+ are 82 and 7.8 times smaller than that of BaGd2ZnO5:Yb3+, Er3+, respectively. But the phonon energy of BaGd2O4 is almost the same with that of BaGd2ZnO5:Yb3+, Er3+ which possesses the highest efficiency as ever reported. So, we can conclude that the material structure is the main influencing factor on the up-conversion efficiency when the phonon energy of the host is not very high.
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页码：1585 / 1590
页数：5
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