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<p>Trivalent Eu<sup>3+</sup> doped A<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> (A = Ca, Sr, and Ba) phosphor were synthesized by the solid state reaction technique. The FTIR, XRD, and photoluminescence properties of Eu<sup>3+</sup> doped A<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> (A = Ca, Sr, and Ba) phosphor were thoroughly investigated. A single-phase compound formation was confirmed by the XRD. XRD analysis confirmed that Sr<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> and Ba<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> crystallize in a trigonal system with space group R̅3m (166). Also the Ba<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> exhibit trigonal crystal system with space group R̅3m (166). Photoluminescence studies revealed that the synthesized phosphors exhibit characteristic Eu<sup>3+</sup> ions emission in the red region under 395&#xa0;nm excitation. This suggests that the prepared phosphors may find usage in n-UV excited w-LEDs, display devices, and solid state lighting applications.</p>

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Synthesis and photoluminescence properties of Eu3+ doped A3(PO4)2 (A = Ca, Sr and Ba) phosphor for n-UV based solid state lighting

  • 期刊论文

  • 发表日期：

    2025年3月5日

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  • D. R. Taikar,
  • Shahin Sayyad,
  • Tanveer Quazi,
  • C. M. Nandanwar

摘要

Trivalent Eu3+ doped A3(PO4)2 (A = Ca, Sr, and Ba) phosphor were synthesized by the solid state reaction technique. The FTIR, XRD, and photoluminescence properties of Eu3+ doped A3(PO4)2 (A = Ca, Sr, and Ba) phosphor were thoroughly investigated. A single-phase compound formation was confirmed by the XRD. XRD analysis confirmed that Sr3(PO4)2 and Ba3(PO4)2 crystallize in a trigonal system with space group R̅3m (166). Also the Ba3(PO4)2 exhibit trigonal crystal system with space group R̅3m (166). Photoluminescence studies revealed that the synthesized phosphors exhibit characteristic Eu3+ ions emission in the red region under 395 nm excitation. This suggests that the prepared phosphors may find usage in n-UV excited w-LEDs, display devices, and solid state lighting applications.