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 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



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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