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Synthesis and Luminescent Properties of Nanoscale Gd2Si2O7:Eu3+ Phosphors

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Abstract:

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.

Keywords: GD2SI2O7; LUMINESCENCE; RARE EARTHS; SOL-GEL

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.2144

Publication date: March 1, 2010

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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