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Synthesis and luminescence properties of novel green-emitting KPb4(PO4)3:xTb3+ phosphors

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Abstract

A series of phosphors KPb4 − x(PO4)3:xTb3+ (x = 0, 0.04, 0.08, 0.12, 0.14, 0.16, 0.18, 0.2, 0.22) were prepared by solid-state reaction method. The as-prepared samples were characterized by powder X-ray diffractometer, scanning electron microscope and photoluminescence spectrometer. The emission spectra consisted of several sharp emission peaks centered at 620, 585, 544 and 489 nm, which can be assigned to the 5D4–7Fj (j = 3, 4, 5, 6) transitions of Tb3+ ions. The optimum dopant concentration of Tb3+ activator in KPb4(PO4)3 host matrix is about 16 mol%. The CIE coordinates of KPb3.84(PO4)3:0.16Tb3+ phosphor was measured to be (0.295, 0.571), corresponding to green color.

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Acknowledgements

This work was supported by the Fundamental Research Funds for the Universities of Henan Province (NSFRF170301). Thanks Mr. Jun Chen for the contribution on the XRD analysis.

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Authors and Affiliations

  1. College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, 454000, Henan, China

    Ji Zhao, Dan Zhao, Jun Chen, Shan-Xiu Huang, Zhao Ma & Bao-Zhong Liu

  2. Henan Key Laboratory of Coal Green Conversion, Jiaozuo, China

    Zhao Ma & Bao-Zhong Liu

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  1. Ji Zhao
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  2. Dan Zhao
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  3. Jun Chen
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  4. Shan-Xiu Huang
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  5. Zhao Ma
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  6. Bao-Zhong Liu
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Correspondence to Dan Zhao or Bao-Zhong Liu.

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Zhao, J., Zhao, D., Chen, J. et al. Synthesis and luminescence properties of novel green-emitting KPb4(PO4)3:xTb3+ phosphors. J IRAN CHEM SOC 15, 2631–2635 (2018). https://doi.org/10.1007/s13738-018-1451-7

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  • DOI: https://doi.org/10.1007/s13738-018-1451-7

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