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    Luminescent properties of Mg3Ca3(PO4)4: Eu2+ blue-emitting phosphor for white light emitting diodes

    Access Status
    Fulltext not available
    Authors
    Li, Y.
    Deng, D.
    Wang, Q.
    Li, G.
    Hua, Y.
    Jia, Guohua
    Huang, L.
    Zhao, S.
    Wang, H.
    Li, C.
    Xu, S.
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Li, Y. and Deng, D. and Wang, Q. and Li, G. and Hua, Y. and Jia, G. and Huang, L. et al. 2012. Luminescent properties of Mg3Ca3(PO4)4: Eu2+ blue-emitting phosphor for white light emitting diodes. Journal of Luminescence. 132 (5): pp. 1179-1182.
    Source Title
    Journal of Luminescence
    DOI
    10.1016/j.jlumin.2011.12.048
    ISSN
    0022-2313
    School
    Nanochemistry Research Institute
    URI
    http://hdl.handle.net/20.500.11937/39828
    Collection
    • Curtin Research Publications
    Abstract

    A blue-emitting phosphor, Eu 2-activated Mg 3Ca 3(PO 4) 4 phosphor was synthesized by conventional solid-state reaction. X-ray powder diffraction (XRD) analysis confirmed the phase formation. Photoluminescence (PL) results showed that Mg 3Ca 3(PO 4) 4: Eu 2 could be efficiently excited by UVvisible light from 250 to 430 nm, which matched well with the emission wavelengths of near-UV and UV LED chips. The effects of the doped-Eu 2 concentration in Mg 3Ca 3(PO 4) 4: Eu 2 on the PL were also investigated. The result reveals that Mg 3Ca 3(PO 4) 4: Eu 2 is a potential blue-emitting phosphor for white LEDs. © 2011 Elsevier B.V. All rights reserved.

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