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Photoluminescence and cathodoluminescence properties of Na3LuSi2O7:Tb3+ phosphors

  • Qingxi Li
  • Xiyan Zhang
  • Lipeng Jiang
  • Shiqi Zhu
  • He Tang
  • Wenmin Zhang
Article
  • 30 Downloads

Abstract

Tb3+ doped Na3LuSi2O7(NLSO) phosphors were prepared by a solid state reaction technique. The crystal structures and the influence of Tb3+ concentration on the photoluminescence, cathodoluminescence of the phosphors were investigated. Two groups of emission lines had been observed, which were corresponding to Tb3+ 5D3 → 7FJ (J = 6, 5, 4, 3) and 5D4 → 7FJ (J = 6, 5, 4, 3) transitions. The physical mechanisms for excitation, emission, concentration quenching and the cross-relaxation mechanism between the 5D3 and 5D4 emission were investigated in detail. Cathodoluminescence properties were also studied for the optimized samples as a function of filament current. The Commission International de I-Eclairage (CIE) chromaticity coordinates were calculated for the NLSO:Tb3+ phosphors.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Qingxi Li
    • 1
  • Xiyan Zhang
    • 1
  • Lipeng Jiang
    • 1
  • Shiqi Zhu
    • 1
  • He Tang
    • 1
  • Wenmin Zhang
    • 1
  1. 1.School of Material Science and EngineeringChangchun University of Science and TechnologyChangchunChina

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