Near-Infrared (NIR) to Red and Green Up-Conversion Emission from Silica Sol−Gel Thin Films Made with La<sub>0.45</sub>Yb<sub>0.50</sub>Er<sub>0.05</sub>F<sub>3</sub> Nanoparticles, Hetero-Looping-Enhanced Energy Transfer (Hetero-LEET):  A New Up-Conversion Process

Sri Sivakumar(University of British Columbia), P. Stanley May(University of South Dakota), Frank C. J. M. van Veggel(University of Victoria)
Journal of the American Chemical Society
December 29, 2006
Cited by 196


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