Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 460, Issue 1-2, Pages 524-528Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2007.05.107
Keywords
phosphors; sol-gel processes; optical properties; luminescence
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Red Gd2O3:Eu nanophosphors were prepared by novel sucrose-assisted combustion method. The sucrose hydrolysis and complexing procedures were discussed by the Fourier transform infrared spectroscopy (FTIR) analysis. The effect of sucrose-to-metal ratio (S:M) on morphology and luminescence intensity of Gd2O3:Eu nanocrystals were investigated. And the optimum ratio was found to be S:M=7:1, as confirmed by the results of scanning electron microscope (SEM), transmission electron microscope (TEM) and photoluminescence (PL) measurements. The highest photoluminescence emission from the particles obtained at S:M = 7:1 was about 85% of the commercial red phosphors. (C) 2007 Elsevier B.V. All rights reserved.
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