Concentration effect of Er3+ ions on structural and spectroscopic properties of CdNb2O6 phosphors

Ghafouri S. A., Erdem M., Ekmekci M. K., Mergen A., OZEN G.

MATERIALS RESEARCH BULLETIN, cilt.60, ss.562-565, 2014 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 60
  • Basım Tarihi: 2014
  • Doi Numarası: 10.1016/j.materresbull.2014.08.061
  • Dergi Adı: MATERIALS RESEARCH BULLETIN
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.562-565
  • İstanbul Teknik Üniversitesi Adresli: Evet

Özet

This study is focused on the synthesis and characterization of CdNb2O6 compounds doped with of Er3+ ions. Powders were synthesized by using the molten salt method and annealed at 900 degrees C for 4h. The synthesized particles were structurally characterized by using X-ray diffraction, scanning electron microscopy. A single phase of the CdNb2O6 was determined and the size of the particles was found to be affected by the presence and the concentration of Er3+ ions. Luminescence properties of each sample were investigated by measuring accurately the emission and excitation spectra at room temperature in the wavelength range of 200-1700 nm by exciting the Er3+ ions at 379 nm and 805 nm. Quenching of the luminescence in both visible and near infrared spectral regions was observed to be above 1.0 mol% Er3+ concentration. (C) 2014 Elsevier Ltd. All rights reserved.