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The mechanism of enhanced luminescence in ion-codoped Lu2SiO5: Ce3+ phosphors
Liu, XL; Wu, F; Chen, SW; Gu, M; Chen, H; Liu, B; Huang, SM; Zhang, J; Zhang J(张静)
2015
发表期刊JOURNAL OF LUMINESCENCE
卷号161页码:422-425
文章类型Article
摘要(Lu0.995-xMxCe0.005)(2)SiO5 (M=Li, Mg and Sc, x=0.00-0.01) phosphors were synthesized via a sol-gel technique, the luminescence enhancement effect by Li+, Mg2+, or Sc3+ codoping is comprehensively investigated by XRD, Raman, thermoluminescence and X-ray absorption near edge structure (XANES) spectra. The underlying reason of enhanced luminescence by ion codoping is revealed, and a mechanism of the luminescence enhancement effect based on the valence state variation of cerium is proposed. It can be safely concluded that the enhanced luminescence of Lu2SiO5:Ce3+ by ion codoping essentially originates from the increase in the population of Ce3+, which is directly proved by XANES. The difference in luminescence enhancement effect for different codopants can be reasonably explained by the electronegativity of the codopant. (C) 2015 Elsevier B.V. All rights reserved.
关键词Lu2SiO5:Ce Codopants Synchrotron radiation Luminescence
学科领域Optics
DOI10.1016/j.jlumin.2015.01.058
收录类别SCI ; EI
WOS类目Optics
WOS记录号WOS:000352663500065
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228326
专题多学科研究中心
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Liu, XL,Wu, F,Chen, SW,et al. The mechanism of enhanced luminescence in ion-codoped Lu2SiO5: Ce3+ phosphors[J]. JOURNAL OF LUMINESCENCE,2015,161:422-425.
APA Liu, XL.,Wu, F.,Chen, SW.,Gu, M.,Chen, H.,...&张静.(2015).The mechanism of enhanced luminescence in ion-codoped Lu2SiO5: Ce3+ phosphors.JOURNAL OF LUMINESCENCE,161,422-425.
MLA Liu, XL,et al."The mechanism of enhanced luminescence in ion-codoped Lu2SiO5: Ce3+ phosphors".JOURNAL OF LUMINESCENCE 161(2015):422-425.
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