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Journal of Fluorescence

, Volume 25, Issue 6, pp 1757–1762 | Cite as

Structural and Luminescence Properties of Sm3+ Doped TTB -Type BaTa2O6 Ceramic Phosphors

  • Mete Kaan Ekmekçi
  • Mustafa İlhan
  • Ali Sadi Başak
  • Sabahattin Deniz
ORIGINAL ARTICLE

Abstract

Pure and 0.5 to 10 mole% Sm3+ doped TTB (tetragonal tungsten bronze)-type BaTa2O6 ceramic phosphor was produced by the solid state reaction method which performed at 1425 °C for 20 h. XRD and SEM analysis indicated single TTB phase for undoped and 0.5 to 10 mole% Sm3+ doped BaTa2O6 structures. SEM also showed that the BaTa2O6 grain size decreased with the increasing content of Sm3+. Optical analysis indicated significant emissions in the visible spectral region as green (λ = 562.7 nm) and orange-reddish (λ = 597.1 nm). The emission intensity increased with the increasing doping concentration up to 2.5 mole%, and then decreased due to the concentration quenching effect.

Keywords

TTB-type BaTa2O6 Photoluminescence Solid state reaction 

Notes

Acknowledgments

The authors would like to thanks to Marmara University Research Fund (BAPKO) for supporting this research. Project No. FEN-A-150513-0167

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Mete Kaan Ekmekçi
    • 1
  • Mustafa İlhan
    • 2
  • Ali Sadi Başak
    • 1
  • Sabahattin Deniz
    • 3
  1. 1.Art and Science FacultyMarmara UniversityKadıköyTurkey
  2. 2.Faculty of EngineeringMarmara UniversityKadıköyTurkey
  3. 3.Faculty of TechnologyMarmara UniversityKadıköyTurkey

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