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Upconversion Luminescence of Monodisperse CaF 2 :Yb 3+ /Er 3+ Nanocrystals

โœ Scribed by Wang, Guofeng; Peng, Qing; Li, Yadong

Book ID
118150519
Publisher
American Chemical Society
Year
2009
Tongue
English
Weight
155 KB
Volume
131
Category
Article
ISSN
0002-7863

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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