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Upconversion luminescence of monodisperse CaF2:Yb(3+)/Er(3+) nanocrystals
Guofeng Wang1, Qing Peng, Yadong Li
1Department of Chemistry and State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing, 100084, PR China.
Journal of the American Chemical Society
|September 25, 2009
Abstract:
Monodispersed CaF(2):Yb(3+)/Er(3+) nanocrystals have been prepared via a facile wet chemical technology. The upconversion luminescence properties of CaF(2):Yb(3+)/Er(3+) nanocrystals were compared with those of NaYF(4):Yb(3+)/Er(3+) nanocrystals with different phases and particle sizes. The results indicated that CaF(2) is a promising host material for producing desirable upconversion luminescence.
