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Ultraviolet sensors using a luminescent europium (III) complex on acrylonitrile butadiene styrene polymer

Published online by Cambridge University Press:  14 May 2012

Érica A. de Souza
Affiliation:
Universidade de Franca, CEP 14404600 Franca, Sao Paulo, Brazil
Caroline B. Azevedo
Affiliation:
Universidade de Franca, CEP 14404600 Franca, Sao Paulo, Brazil
Lucas A. Rocha
Affiliation:
Universidade de Franca, CEP 14404600 Franca, Sao Paulo, Brazil
Emerson H. de Faria
Affiliation:
Universidade de Franca, CEP 14404600 Franca, Sao Paulo, Brazil
Paulo S. Calefi
Affiliation:
Universidade de Franca, CEP 14404600 Franca, Sao Paulo, Brazil
Katia J. Ciuffi
Affiliation:
Universidade de Franca, CEP 14404600 Franca, Sao Paulo, Brazil
Eduardo J. Nassar*
Affiliation:
Universidade de Franca, CEP 14404600 Franca, Sao Paulo, Brazil
Jorge V.L. Silva
Affiliation:
Centro da Tecnologia da Informação Renato Archer, CEP 13069-901 Campinas, Sao Paulo, Brazil
Marcelo Oliveira
Affiliation:
Centro da Tecnologia da Informação Renato Archer, CEP 13069-901 Campinas, Sao Paulo, Brazil
Izaque I. Maia
Affiliation:
Centro da Tecnologia da Informação Renato Archer, CEP 13069-901 Campinas, Sao Paulo, Brazil
*
a)Address all correspondence to this author. e-mail: ejnassar@unifran.br
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Abstract

In this article, the sol-gel methodology was used for coating an acrylonitrile butadiene styrene (ABS) polymer prepared by the rapid prototyping technology with a colloid containing the europium III dipicolinic complex, which presents high emission when excited in the ultraviolet region. Either acid or base was used for treatment of the ABS polymer, with a view to activating its surface. The thermal analysis evidenced a residual mass after 600 °C, which indicated that the coating adhered to the substrate. X-ray diffraction analysis showed that the structure of the ABS polymer was not affected by the sol-gel treatment. The large band centered at 287 nm, ascribed to ligand-metal charge transfer, can be used to excite the europium III dipicolinic complex in the ultraviolet C and ultraviolet B regions. The emission appears in the characteristic red region of the electromagnetic spectrum. These results indicate that the obtained material is a candidate for use as ultraviolet sensor.

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Articles
Copyright
Copyright © Materials Research Society 2012

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