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


EKMEKÇİ M. K. , ERDEM M., Ilhan M., BAŞAK A. S. , Mergen A.

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

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 127 Konu: 4
  • Basım Tarihi: 2016
  • Doi Numarası: 10.1016/j.ijleo.2015.11.031
  • Dergi Adı: OPTIK
  • Sayfa Sayıları: ss.1918-1921

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.