Structural evolution of Eu-doped hydroxyapatite nanorods monitored by photoluminescence emission


Autoria(s): Andre, R. S.; Paris, E. C.; Gurgel, M. F. C.; Rosa, I. L. V.; Paiva-Santos, C. O.; Siu Li, Máximo; Varela, J. A.; Longo, E.
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

16/08/2013

16/08/2013

2012

Resumo

This paper reports the synthesis of Eu-doped hydroxyapatite (HA:Eu) resulting in particles with nanorod diameters from 9 to 26 nm using the microwave hydrothermal method (HTMW). Eu3+ ions were used as a marker in the HA network by basic hydrolysis followed by the HTMW treatment. The crystalline HA:Eu nanorod nature in a short-range order was detected by photoluminescence (PL) measurements from Eu3+ emission into the HA matrix. Thus, was possible to verify that HA crystallization is favored in a short structural order when the HTMW treatment time was increased from 0 to 40 min and that the Eu3+ substitution in the HA lattice is site-selective. (C) 2012 Elsevier B.V. All rights reserved.

FAPESP/CEPID

FAPESP/CEPID

CAPES

CAPES

CNPq

CNPq

FINEP/PRONEX

FINEP/PRONEX

Identificador

JOURNAL OF ALLOYS AND COMPOUNDS, LAUSANNE, v. 531, n. 4, supl. 1, Part 3, pp. 50-54, AUG 5, 2012

0925-8388

http://www.producao.usp.br/handle/BDPI/32587

10.1016/j.jallcom.2012.02.053

http://dx.doi.org/10.1016/j.jallcom.2012.02.053

Idioma(s)

eng

Publicador

ELSEVIER SCIENCE SA

LAUSANNE

Relação

JOURNAL OF ALLOYS AND COMPOUNDS

Direitos

openAccess

Copyright ELSEVIER SCIENCE SA

Palavras-Chave #HYDROXYAPATITE #EUROPIUM #NANOPARTICLES #MICROWAVE-HYDROTHERMAL METHOD #PHOTOLUMINESCENCE #OPTICAL-PROPERTIES #OXIDE NANOPARTICLES #POWDER #CELLS #CHEMISTRY, PHYSICAL #MATERIALS SCIENCE, MULTIDISCIPLINARY #METALLURGY & METALLURGICAL ENGINEERING
Tipo

article

original article

publishedVersion