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Enhancement of upconversion luminescence of Y2O3:Er3+ nanocrystals by codoping Li+–Zn2+

✍ Scribed by Huijuan Liang; Yangdong Zheng; Guanying Chen; Li Wu; Zhiguo Zhang; Wenwu Cao

Book ID
116607516
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
500 KB
Volume
509
Category
Article
ISSN
0925-8388

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Effect of Eu3 + codoping on upconversion
Effect of Eu3 + codoping on upconversion luminescence in Y2O3:Er3 +, Yb3 + nanocrystals
✍ Y.Q. Sheng; J. Liu; L.L. Xu; D. Zhai; Z.G. Zhang; W.W. Cao 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 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