Synthesis, structural characterization, and photoluminescence properties of TTB-type PbTa2O6:Eu3+ phosphor

Ilhan M.

INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY, cilt.14, sa.6, ss.1144-1150, 2017 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 14 Sayı: 6
  • Basım Tarihi: 2017
  • Doi Numarası: 10.1111/ijac.12710
  • Dergi Adı: INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.1144-1150
  • Anahtar Kelimeler: luminescence, scanning electron microscopy, tantalum, tantalum compounds, X-ray methods, CRYSTAL-CHEMISTRY, EU3+ IONS, SYSTEM, BRONZE
  • Marmara Üniversitesi Adresli: Evet

Özet

Undoped and Eu3+-doped tetragonaltungsten bronze (TTB) PbTa2O6 phosphors were synthesized by using solid-state reaction method. Synthesized samples were characterized by XRD, SEM-EDS, and photoluminescence analyses. XRD results revealed TTB-type crystal structure with single phase up to 10mol% Eu3+ doping concentration. In SEM-EDS analyses, elemental composition of Pb decreased with the increasing concentration of Eu3+. Emissions at the excitation wavelength of 398.5nm were observed at 593.2 and 618.8nm due to (D0F1)-D-5-F-7 transitions and (D0F2)-D-5-F-7 transitions, respectively. Emission increased with the increasing Eu3+ doping concentration up to 10mol% and not observed concentration quenching.