Molten salt synthesis, characterization and luminescence of Tb3−xCexAl5O12 (TAG:Ce) phosphors

Wei Zhang, Guisheng Zhu, Ruiping Zou

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2 Citations (Scopus)

Abstract

The Tb3−xCexAl5O12 (TAG:Ce) phosphors with various cerium doped concentrations were successfully prepared via molten salt (MS) synthesis method using the eutectic mixtures of NaNO2-KNO2 as the flux. Tb3Al5O12 phase can be formed at a temperature as low as 450 °C, but the as-prepared TAG:Ce phosphor with a 250 nm average particle size do not have noticeable emission and excitation spectra. However, after being annealed in a reducing atmosphere at 1100 °C, the phosphor was found to have the same particle size, and more importantly, stronger emission and excitation spectra as well. The results show that the modified MS method provides a feasible approach to produce TAG:Ce phosphor for optoelectronic applications.

Original languageEnglish
Pages (from-to)77-80
Number of pages4
JournalMaterials Letters
Volume221
DOIs
Publication statusPublished - 15 Jun 2018

Keywords

  • Luminescence
  • Molten salt synthesis method
  • NaNO-KNO flux
  • Phosphors
  • TbCeAlO

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