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The luminescence properties of Eu2+ doped Na2CaMg(PO4)2 phosphor

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Abstract

The blue-emitting phosphors of Eu2+-doped Na2CaMg(PO4)2 were prepared by high-temperature solid-state reaction. The crystal phase formation was confirmed by X-ray powder diffraction measurement. The luminescence properties were investigated by photoluminescence excitation and emission spectra. The phosphor exhibited the blue luminescence due to the 4f65d1→4f7 transition of Eu2+ ions under the excitation of near UV light. The influence of temperature on the luminescence intensities and decay lifetimes of Eu2+ was investigated. An unusual increase of the decay lifetimes of the 4f65d emission of Eu2+ ion is observed in Na2CaMg(PO4)2 from 10 K to room temperature. The thermal stability of the luminescence of Eu2+-doped Na2CaMg(PO4)2 was discussed.

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Authors and Affiliations

  1. College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China

    Juan Lü & Yanlin Huang

  2. Department of Physics, Pukyong National University, Busan, 608-737, Republic of Korea

    Liang Shi & Hyo Jin Seo

Authors
  1. Juan Lü
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  2. Yanlin Huang
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  3. Liang Shi
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  4. Hyo Jin Seo
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Correspondence to Hyo Jin Seo.

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Lü, J., Huang, Y., Shi, L. et al. The luminescence properties of Eu2+ doped Na2CaMg(PO4)2 phosphor. Appl. Phys. A 99, 859–863 (2010). https://doi.org/10.1007/s00339-010-5614-3

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  • DOI: https://doi.org/10.1007/s00339-010-5614-3

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