Influence of dopant concentration on up-conversion emission of Y2O3:(Yb3+, Er3+)

被引：13
作者：
Tang, Yanfeng [1 ]
Yang, Xiaomin [1 ]
Xu, Yongchun [2 ]
机构：
[1] Hebei North Univ, Dept Chem, Coll Sci, Zhangjiakou 075000, Peoples R China
[2] Hebei North Univ, Dept Math, Coll Sci, Zhangjiakou 075000, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2015年 / 26卷 / 04期
关键词：
ENERGY-TRANSFER; LUMINESCENCE; DY3+; BEHAVIOR; LIGHT;
D O I：
10.1007/s10854-015-2685-0
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Y2O3:(Yb3+, Er3+) powders were synthesized by a simple solid state process. The powders were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, and laser excited spectroscopy. The formation of Y2O3:(Yb3+, Er3+) samples was confirmed by X-ray diffraction and Fourier transform infrared spectroscopy. The up-conversion emissions of Y2O3:(Yb3+, Er3+) samples were observed under 978 nm laser excitation. The energy transfer from Yb3+ ions to Er3+ ions plays an important role in the increase of intensity of up-conversion emissions. The energy transfer between Yb3+ and Er3+ ions and related emissions were elaborated. The effects of dopant Yb3+ concentration and pumping power on up-conversion emissions were studied. The intensity ratios of the red to green emission increase with the increasing concentration of Yb3+ ions. Also, the intensities of green and red up-conversion emissions increase with the increasing pumping power.
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收藏
页码：2311 / 2315
页数：5
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