Synthesis, characterization and photoluminescence properties of Eu3+ doped columbite CdNb2O6

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Ekmekçi M. K., Erdem M., Ilhan M., Başak A. S., Mergen A.

OPTIK, cilt.127, sa.4, ss.1918-1921, 2016 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 127 Sayı: 4
  • Basım Tarihi: 2016
  • Doi Numarası: 10.1016/j.ijleo.2015.11.031
  • Dergi Adı: OPTIK
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.1918-1921
  • Marmara Üniversitesi Adresli: Evet

Özet

Pure and Eu3+-doped CdNb2O6 powders have been prepared by a molten salt synthesis method using Li2SO4/Na2SO4 salt mixture as a flux at relatively low temperatures as compared to solid state reaction. X-ray diffraction patterns of pure CdNb2O6 samples indicated orthorhombic single phase. Photoluminescence investigations of CdNb2O6 samples showed a strong blue emission band centered at 460 nm. For Eu-doped CdNb2O6 samples, the luminescence of Eu3+ was observed with the host red emission varying with the Eu-doping concentrations. This PL characteristic of the doped samples may be attributed to the energy transfer between Eu3+ and niobate groups (NbO6). (C) 2015 Elsevier GmbH. All rights reserved.