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Visible Upconversion Luminescence from Y 2 O 3 :Eu 3+ ,Yb 3+

✍ Scribed by Wang, Huaishan; Duan, Chang-kui; Tanner, Peter A.

Book ID
125542136
Publisher
American Chemical Society
Year
2008
Tongue
English
Weight
563 KB
Volume
112
Category
Article
ISSN
1932-7447

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✍ Y.Q. Sheng; J. Liu; L.L. Xu; D. Zhai; Z.G. Zhang; W.W. Cao πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 434 KB

The influence of Eu 3+ on the upconversion (UC) fluorescence of Er 3+ in Y 2 O 3 :Er 3+ , Yb 3+ nanocrystals was investigated. Room-temperature UC spectra show that the intensity ratio of red to green lights was increased from 8.6 to 19.3 with 1.0 mol% Eu 3+ doping. Additionally, with the increase o