Journal of Materials Science

, Volume 41, Issue 15, pp 4744–4748 | Cite as

Photophysical properties of Eu3+ and Tb3+-doped ZnAl2O4 phosphors obtained by combustion reaction

  • B. S. Barros
  • P. S. Melo
  • R. H. G. A. Kiminami
  • A. C. F. M. Costa
  • G. F. de Sá
  • S. AlvesJr


Europium- and terbium-doped zinc aluminate oxide nanocrystals with a spinel structure were successfully prepared by a combustion method, using urea as fuel. The samples thus obtained were characterized by X-ray diffraction, scanning electron microscopy and luminescence spectroscopy. X-ray diffraction results confirmed the formation of ZnAl2O4 spinel phase and a minor amount of ZnO. Our SEM results revealed agglomerates in the shape of irregular plates composed of nanoparticles with dispersed points of second phase in the surface. Powders containing Eu3+ and Tb3+ ions displayed red and green photoluminescence, respectively.


Terbium Combustion Reaction ZnAl2O4 Zinc Aluminate Field Emission Display 



The authors would like to thank the Brazilian institutions CAPES and RENAMI-CNPq for their financial support of this research.


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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  • B. S. Barros
    • 1
  • P. S. Melo
    • 1
  • R. H. G. A. Kiminami
    • 3
  • A. C. F. M. Costa
    • 1
  • G. F. de Sá
    • 2
  • S. AlvesJr
    • 2
  1. 1.Department of Materials EngineeringFederal University of Campina GrandeCampina GrandeBrazil
  2. 2.Rare Earth Laboratory – BSTR, Department of Fundamental ChemistryFederal University of PernambucoRecifeBrazil
  3. 3.Department of Materials EngineeringFederal University of São CarlosSão CarlosBrazil

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