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Title:
Photo-induced luminescence degradation in Ce, Yb co-doped yttrium aluminum garnet phosphors
Author: LIANG TANG(唐靓)1,2,3; Ye, HuiQi(叶慧琪)1,2; Xiao, Dong(肖东)1,2
Source: Applied Optics
Issued Date: 2018-09-10
Volume: 57, Issue:26, Pages:7627-7634
Subject: 天文技术与方法
English Abstract:
Photon-induced luminescence degradation of Ce, Yb co-doped yttrium aluminum garnet phosphors with different Yb concentrations under 457 nm irradiation is studied for the first time, to the best of our knowledge. The degradation behavior is more significant in nano-phosphors prepared via the solgel method, compared with bulkier samples prepared via solid-state reaction. Photoluminescence intensity of Ce3+ ions experiences a drop after initial illumination, due to photoionization of Ce3+ ions, whereas the down-converted luminescence of Yb3+ ions remains relatively stable. Co-doping Yb3 contributes to the luminescence drop of Ce3+ with the excessive Yb3+ ions serving as additional electron traps. The results are in support of a charge transfer process.
Language: 英语
Content Type: 期刊论文
URI: http://ir.niaot.ac.cn/handle/114a32/1564
Appears in Collections:中科院南京天光所知识成果_期刊论文
中科院天文光学技术重点实验室_期刊论文

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description.institution: 1.南京天文光学技术研究所
2.天文光学技术重点实验室
3.中国科学院大学

Recommended Citation:
Liang Tang,Huiqi Ye,Dong Xiao. Photo-induced luminescence degradation in Ce, Yb co-doped yttrium aluminum garnet phosphors[J]. Applied Optics,2018,57(26):7627-7634.
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文件名: Photo-induced luminescence degradation in Ce, Yb co-doped yttrium aluminum garnet phosphors.pdf
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