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Journal of Materials Science
Published in: Journal of Materials Science 15/2006

01-08-2006

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

Authors: B. S. Barros, P. S. Melo, R. H. G. A. Kiminami, A. C. F. M. Costa, G. F. de Sá, S. Alves Jr

Published in: Journal of Materials Science | Issue 15/2006

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Abstract

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.
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Metadata
Title
Photophysical properties of Eu3+ and Tb3+-doped ZnAl2O4 phosphors obtained by combustion reaction
Authors
B. S. Barros
P. S. Melo
R. H. G. A. Kiminami
A. C. F. M. Costa
G. F. de Sá
S. Alves Jr
Publication date
01-08-2006
Publisher
Springer US
Published in
Journal of Materials Science / Issue 15/2006
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-006-0035-6

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