Synthesis and Luminescent Properties of Nanoscale Gd2Si2O7:Eu3+ Phosphors
Gd2Si2O7:Eu3+ nanoparticles were prepared by the sol–gel method with citric acid as an additive in the precursor solutions. The crystal structure was analyzed by means of X-ray diffraction (XRD). The results indicate that the α-Gd2Si2O7 powders in size 35 nm are obtained at a synthesis temperature of 1,100 °C, and the doping ion contents do not influence the crystal structure. The excitation and emission spectra of samples were measured. The dependence of photoluminescence intensity and lifetime of level on Eu3+ concentration and synthesis temperature of samples are also discussed.
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Document Type: Research Article
Publication date: 2010-03-01
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