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Effect of Yb3+ concentration on the upconversion of Er3+ ion doped La2O3 nanocrystals under 980 nm excitation

โœ Scribed by HuangQing Liu; LingLing Wang; Shuguang Chen


Book ID
113790768
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
498 KB
Volume
61
Category
Article
ISSN
0167-577X

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Effect of Eu3 + codoping on upconversion
โœ Y.Q. Sheng; J. Liu; L.L. Xu; D. Zhai; Z.G. Zhang; W.W. Cao ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 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