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Incorporation of europium III complex into nanoparticles and films obtained by the Sol-Gel methodology

By Faley Jean de Sousa, Gilberto Pansani Altino de Lima, Lílian Rodrigues Ávila, Katia Jorge Ciuffi, Paulo Sergio Calefi and Eduardo José Nassar

Abstract

The sol-gel process is very effective for the preparation of new materials with potential applications in optics, sensors, catalyst supports, coatings, and specialty inorganic polymers that can be used as hosts for the accommodation of organic molecules. The low temperature employed in the process is the main advantage of this methodology. In this work, the europium (III) complex with 1,10-phenantroline was prepared, and this luminescent complex was incorporated into silica nanoparticles and films by the sol-gel process. The nanoparticles were obtained by the modified Stöber methodology. The films were obtained by the dip-coating technique, at different deposition rates and numbers of layers. The nanoparticles and films were characterized by photoluminescence, thermal analysis, and Raman and infrared spectroscopies. Characterization revealed that the europium (III) complex was not affected upon incorporation into the nanoparticles and films, opening a new field for the application of these materials

Topics: photoluminescence, europium (III), nanoparticles, films, dip-coating, Materials of engineering and construction. Mechanics of materials, TA401-492
Publisher: Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)
Year: 2010
DOI identifier: 10.1590/S1516-14392010000100015
OAI identifier: oai:doaj.org/article:1298e304b75747d9884a8136cacc9427
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