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<p>The study focuses on the synthesis and energy transfer mechanism between the cerium and praseodymium co-doped yttrium aluminum garnet (YAG) phosphors. Pure phase YAG:Ce,Pr powders were synthesized using a mixed fuel combustion method at a ~500°C furnace temperature. The luminescence spectra and the effect of the energy transfer mechanism from the Ce<sup>3+</sup> to Pr<sup>3+</sup> ions in YAG:Ce,Pr were examined. The influence of Si<sup>4+</sup> doping in YAG:Ce,Pr phosphors was also studied. The emission intensity of Ce and Pr in YAG is enhanced by 33% with 1 mol% Si co-doping, without changing the peak wavelength, and it lowered the correlated color temperature.</p>

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Synthesis, Characterization, and Optical Properties of YAG:Ce,Pr Phosphor and Influence of Si Doping

  • 期刊论文

  • 发表日期：

    2025年1月14日

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  • Manisha Upasani,
  • Bhavana Butey

摘要

The study focuses on the synthesis and energy transfer mechanism between the cerium and praseodymium co-doped yttrium aluminum garnet (YAG) phosphors. Pure phase YAG:Ce,Pr powders were synthesized using a mixed fuel combustion method at a ~500°C furnace temperature. The luminescence spectra and the effect of the energy transfer mechanism from the Ce3+ to Pr3+ ions in YAG:Ce,Pr were examined. The influence of Si4+ doping in YAG:Ce,Pr phosphors was also studied. The emission intensity of Ce and Pr in YAG is enhanced by 33% with 1 mol% Si co-doping, without changing the peak wavelength, and it lowered the correlated color temperature.