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In this study, orange-red-emitting ZnS/ZnO: Eu3+ (ZSO: Eu3+) phosphors were successfully synthesized using a facile solid-state reaction method. Analysis via X-ray diffraction (XRD), Raman spectroscopy, and Energy Dispersive X-ray Spectroscopy (EDS) indicated stable phase formation and high purity of the obtained powders when annealed at 600–1200 °C. The PL spectra exhibited a notable green emission band at 515–517 nm linked to the ZSO phase, along with a distinct orange-red emission band spanning 580–700 nm attributed to Eu3+ dopant emission. The highest PL intensity was obtained at the annealing temperature of 1000 °C.

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Orange-Red-Emitting ZnS/ZnO: Eu3+ Phosphors Synthesized by Facile Surface Diffusion Method for Enhanced NUV-Pumped WLED Applications

  • 会议论文

  • 发表日期：

    2025年

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  • Hoang Gia Chuc,
  • Manh Trung Tran,
  • Nguyen Minh Hieu,
  • Ngo Ngoc Ha,
  • Nguyen Van Du,
  • Do Quang Trung,
  • Nguyen Tu,
  • Pham Thanh Huy

摘要

In this study, orange-red-emitting ZnS/ZnO: Eu3+ (ZSO: Eu3+) phosphors were successfully synthesized using a facile solid-state reaction method. Analysis via X-ray diffraction (XRD), Raman spectroscopy, and Energy Dispersive X-ray Spectroscopy (EDS) indicated stable phase formation and high purity of the obtained powders when annealed at 600–1200 °C. The PL spectra exhibited a notable green emission band at 515–517 nm linked to the ZSO phase, along with a distinct orange-red emission band spanning 580–700 nm attributed to Eu3+ dopant emission. The highest PL intensity was obtained at the annealing temperature of 1000 °C.