Spectral characteristics and white emission of Dy3+/Tm3+-BaLaGa3O7 phosphors

Tm3+-, Dy3+-BaLaGa3O7 phosphors have been synthesized by solid-phase sintering. X-ray diffraction (XRD) and photoluminescence properties of the phosphors were investigated in detail. The sample Tm3+ and Dy3+ ions co-doped BaLaGa3O7 obtain white light emission by integrating a blue emission band loca...

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Bibliographic Details
Published in:Journal of luminescence 2016-10, Vol.178, p.282-287
Main Authors: Gao, Shufang, Xu, Shan, Wang, Yeqing, Tu, Chaoyang
Format: Article
Language:English
Subjects:
Chemical synthesis
Luminescence
Optical materials
White emission
X-ray diffraction
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Summary:Tm3+-, Dy3+-BaLaGa3O7 phosphors have been synthesized by solid-phase sintering. X-ray diffraction (XRD) and photoluminescence properties of the phosphors were investigated in detail. The sample Tm3+ and Dy3+ ions co-doped BaLaGa3O7 obtain white light emission by integrating a blue emission band located at 455nm (1D2→3F4) and an orange one located at 573nm (4F9/2→6H13/2) attributed to Tm3+ and Dy3+ ions, respectively. The study on the luminescence mechanism showed that there is the energy transfer between Tm3+ and Dy3+ in Tm3+/Dy3+-BaLaGa3O7 phosphors.
ISSN:0022-2313
1872-7883
DOI:10.1016/j.jlumin.2016.05.040