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The dominant role of excitation diffusion in energy transfer upconversion of Lu2O3: Tm3+, y(3+)
Wu, D. A.; Z. D. Hao; W. G. Xiao; X. Zhang; G. H. Pan; L. L. Zhang; Y. S. Luo; L. G. Zhang; H. F. Zhao and J. H. Zhang
2017
Source PublicationJournal of Alloys and Compounds
Volume704
AbstractEmission spectra of Tm3+ and Yb3+ codoped Lu2O3 are studied as a function of the dopant concentration upon 980 nm excitation. The upconverted near infrared emission around 811 nm from Tm3+:H-3(4)-> H-3(6) transition is observed due to two step energy transfers from Yb3+ through Tm3+:F-3(4) as the intermediate level. The optimal dopants concentrations for the strongest upconversion emission are 0.1 mol% Tm3+ and 4 mol% Yb3+. The dependence of energy transfer coefficients for the two step energy transfers on Tm3+ and/or Yb3+ concentration is studied. The obtained results indicate that the excitation diffusions among Yb3+ ions and among Tm3+ ions mainly control the energy transfer rates for the optimal dopants concentrations and thus dominate the energy transfer upconversion process. (C) 2017 Elsevier B.V. All rights reserved.
Indexed Bysci ; ei
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59319
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Wu, D. A.,Z. D. Hao,W. G. Xiao,et al. The dominant role of excitation diffusion in energy transfer upconversion of Lu2O3: Tm3+, y(3+)[J]. Journal of Alloys and Compounds,2017,704.
APA Wu, D. A..,Z. D. Hao.,W. G. Xiao.,X. Zhang.,G. H. Pan.,...&H. F. Zhao and J. H. Zhang.(2017).The dominant role of excitation diffusion in energy transfer upconversion of Lu2O3: Tm3+, y(3+).Journal of Alloys and Compounds,704.
MLA Wu, D. A.,et al."The dominant role of excitation diffusion in energy transfer upconversion of Lu2O3: Tm3+, y(3+)".Journal of Alloys and Compounds 704(2017).
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