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Photoluminescence properties of novel BaGd2Si3O10:RE2+/3+ (RE = Eu or Ce) phosphors with trichromatic emission for white LEDs

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Abstract

Novel phosphors BaGd2Si3O10:RE2+/3+ (RE = Eu or Ce) were designed and prepared by a solid state reaction. The crystal structure was characterized by X-ray diffraction. The optical band gap was estimated by the diffuse reflectance spectrum. The photoluminescence properties were investigated and the results indicate that under ultraviolet light excitation, BaGd2Si3O10:Eu3+, BaGd2Si3O10:Eu2+ and BaGd2Si3O10:Ce3+ phosphors show red, green and blue emission, respectively. The trichromatic emission available by doping different rare earth ions proves that BaGd2Si3O10 should be a promising host material for phosphors in white LEDs.

Graphical abstract: Photoluminescence properties of novel BaGd2Si3O10:RE2+/3+ (RE = Eu or Ce) phosphors with trichromatic emission for white LEDs

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Publication details

The article was received on 29 May 2017, accepted on 19 Jul 2017 and first published on 19 Jul 2017


Article type: Paper
DOI: 10.1039/C7NJ01890H
Citation: New J. Chem., 2017, Advance Article
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    Photoluminescence properties of novel BaGd2Si3O10:RE2+/3+ (RE = Eu or Ce) phosphors with trichromatic emission for white LEDs

    G. Li and Y. Wang, New J. Chem., 2017, Advance Article , DOI: 10.1039/C7NJ01890H

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