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In this study, cyan-emitting SrMoO4:Ce3+ phosphors were successfully synthesized in the solid state at high temperatures. The optimized samples were annealed at 1200 °C for 5 h with 0.05% mol Ce3+ doping concentration. The X-ray diffraction patterns (XRD) show the crystal structure formed tetragonal crystal structure belonging to the inter-tetragonal space group I41/a. The FESEM images exhibited a size distribution of 2–5 μm. The photoluminescence of SrMoO4:Ce3+ under an excitation wavelength of 270 nm showed a main emission band in a cyan region with a peak at 489 nm. The research results show that SrMoO4:Ce3+ phosphors can be applied in manufacturing UV-driven WLEDs.

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Photoluminescence Properties of Cyan-Emitting SrMoO4:Ce3+ Phosphors for UV-Driven WLED Applications

  • 会议论文

  • 发表日期：

    2025年

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  • Le Thanh Duy,
  • Do Quang Trung,
  • Manh Trung Tran,
  • Nguyen Tu,
  • Nguyen Van Du,
  • Ta Ngoc Bach,
  • Nghiem Thi Ha Lien,
  • Nguyen Viet Duong,
  • Nguyen Duy Hung,
  • Nguyen Duc Trung Kien,
  • Pham Thanh Huy

摘要

In this study, cyan-emitting SrMoO4:Ce3+ phosphors were successfully synthesized in the solid state at high temperatures. The optimized samples were annealed at 1200 °C for 5 h with 0.05% mol Ce3+ doping concentration. The X-ray diffraction patterns (XRD) show the crystal structure formed tetragonal crystal structure belonging to the inter-tetragonal space group I41/a. The FESEM images exhibited a size distribution of 2–5 μm. The photoluminescence of SrMoO4:Ce3+ under an excitation wavelength of 270 nm showed a main emission band in a cyan region with a peak at 489 nm. The research results show that SrMoO4:Ce3+ phosphors can be applied in manufacturing UV-driven WLEDs.