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Enhancement of the upconversion photoluminescence intensity in Li+ and Er3+ codoped Y2O3 nanocrystals

โœ Scribed by Yunfeng Bai; Kun Yang; Yuxiao Wang; Xueru Zhang; Yinglin Song

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
110 KB
Volume
281
Category
Article
ISSN
0030-4018

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Effect of Eu3 + codoping on upconversion
Effect of Eu3 + codoping on upconversion luminescence in Y2O3:Er3 +, Yb3 + nanocrystals
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