Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.crci.2010.03.021
Title: Lanthanide-doped LiYF4 nanoparticles: Synthesis and multicolor upconversion tuning
Authors: Wang, J.
Wang, F. 
Xu, J.
Wang, Y.
Liu, Y.
Chen, X.
Chen, H.
Liu, X. 
Keywords: Tetragonal phase LiYF4 Monodisperse Upconverting Upconversion Lanthanide doping
Issue Date: Jun-2010
Citation: Wang, J., Wang, F., Xu, J., Wang, Y., Liu, Y., Chen, X., Chen, H., Liu, X. (2010-06). Lanthanide-doped LiYF4 nanoparticles: Synthesis and multicolor upconversion tuning. Comptes Rendus Chimie 13 (6-7) : 731-736. ScholarBank@NUS Repository. https://doi.org/10.1016/j.crci.2010.03.021
Abstract: We report the synthesis of tetragonal-phase LiYF4 nanoparticles doped with upconverting lanthanide ions. The nanoparticles have been characterized by XRD, TEM, and luminescence decay studies. The size of the as-synthesized LiYF4 nanoparticles can be tuned by varying the precursor ratio of F to lanthanide ions. Passivated by oleic acid ligands, the LiYF4 nanoparticles can be readily dispersed in a wide range of nonpolar solvents including hexane, cyclohexane, dichloromethane, and toluene. The lanthanidedoped (Yb3+, Er3+, Tm3+, Ho 3+) LiYF4 nanoparticles show intense upconversion emissions upon near infrared excitation at 980 nm. By varying composition and concentration of the dopant ions, the color output can be precisely modulated under single wavelength excitation with a diode laser. © 2010 Académie des sciences. Published by Elsevier Masson SAS. All rights reserved.
Source Title: Comptes Rendus Chimie
URI: http://scholarbank.nus.edu.sg/handle/10635/114349
ISSN: 16310748
DOI: 10.1016/j.crci.2010.03.021
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