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Photoluminescence of Yb3+/Ce3+ co-doped aluminosilicate glasses under ultraviolet irradiation
Wei Feng1,2; Shengfei She1,2; Pengfei Wang1; Yongsheng Liu3; Chang Chang1,2; Chaoqi Hou1; Weinan Li1
作者部门瞬态光学研究室
2020-01-15
发表期刊Journal of Non-Crystalline Solids
ISSN0022-3093; 1873-4812
卷号528期号:2020页码:119540
产权排序1
摘要

The photoluminescence and decay properties of Yb3+ /Ce3+ co-doped aluminosilicate glasses were investigated under ultraviolet irradiation. A strong excitation band was ascribed to 4f -> 5d transitions of Ce3+ ions. A broad ultraviolet-visible emission band belonged to 5d -> 4f transitions of Ce3+ ions and oxygen-deficient centers (ODCs) in the host matrix, and the visible-near infrared emission band was attributed to non-bridging oxygen hole centers. Comparative tests of the core composition were performed. The results showed Yb2O3 and the ODCs played a crucial role on ultraviolet-visible emission band. ODCs rather than Ce3+ ions were responsible for the 1-35 mu s lifetime decay of the ultraviolet-visible emission, but had no contribution to the longer decay lifetimes (77.58 Ns) for Ce-free Yb3+-doped glasses. A complex schematic energy-level diagram including the electron transfer mechanism such as Ce3+-Yb3+ -> Ce4+-Yb2+, the cooperative up- and down-conversion processes was proposed to describe different luminescence mechanisms UV-expose.

关键词Chelate precursor Photoluminescence Photodarkening effects Radiation-induced darkening Decay lifetime
DOI10.1016/j.jnoncrysol.2019.119540
收录类别SCI
语种英语
WOS记录号WOS:000504782500012
出版者ELSEVIER
引用统计
文献类型期刊亚洲彩票app下载
条目标识符/handle/181661/50543
专题瞬态光学研究室
通讯作者Weinan Li
作者单位1.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics of Chinese Academy of Sciences (CAS), Xi'an 710119, China
2.University of Chinese Academy of Sciences, Beijing, China
3.Science and Technology on Thermostructure Composite Materials Laboratory, Northwestern Polytechnical University, Xi'an, 710072, China
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GB/T 7714
Wei Feng,Shengfei She,Pengfei Wang,et al. Photoluminescence of Yb3+/Ce3+ co-doped aluminosilicate glasses under ultraviolet irradiation[J]. Journal of Non-Crystalline Solids,2020,528(2020):119540.
APA Wei Feng.,Shengfei She.,Pengfei Wang.,Yongsheng Liu.,Chang Chang.,...&Weinan Li.(2020).Photoluminescence of Yb3+/Ce3+ co-doped aluminosilicate glasses under ultraviolet irradiation.Journal of Non-Crystalline Solids,528(2020),119540.
MLA Wei Feng,et al."Photoluminescence of Yb3+/Ce3+ co-doped aluminosilicate glasses under ultraviolet irradiation".Journal of Non-Crystalline Solids 528.2020(2020):119540.
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