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dc.contributor.authorBonzanini, R.-
dc.contributor.authorDias, D. T.-
dc.contributor.authorGirotto, E. M.-
dc.contributor.authorMuniz, E. C.-
dc.contributor.authorBaesso, M. L.-
dc.contributor.authorCaiut, JMA-
dc.contributor.authorMessaddeq, Younes-
dc.contributor.authorRibeiro, SJL-
dc.contributor.authorBento, A. C.-
dc.contributor.authorRubira, A. F.-
dc.identifier.citationJournal of Luminescence. Amsterdam: Elsevier B.V., v. 117, n. 1, p. 61-67, 2006.-
dc.description.abstractSpectroscopic properties of blends formed by bisphenol-A polycarbonate (PC) and poly(methyl methacrylate) (PMMA) doped with Europium (III) acetylacetonate [Eu(acac)(3)], have been studied by photoacoustic spectroscopy (PAS) and photoluminescent (PL) spectroscopy. Emission and excitation spectra, excited state decay times, and quantum efficiency have been evaluated as well. PAS studies evidenced chemical interactions between the Europium complex and the PC/PMMA blend, which presented typical percolation threshold behavior regarding the Eu3+ content. PL spectra evidenced the photoluminescence of the Eu3+ incorporated into the blend. Photoluminescence property enhancement was observed for the composite in comparison with the precursor compound. Optimized emission quantum efficiency was observed for the 60/40 blend doped with 2% and 4% Europium (III) acetylacetonate. (c) 2005 Elsevier B.V. All rights reserved.en
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjectEu3+-beta-diketonate complexpt
dc.subjectphotoacoustic spectroscopypt
dc.titleSpectroscopic properties of polycarbonate and poly(methyl methacrylate) blends doped with Europium(III) acetylacetonateen
dc.contributor.institutionUniversidade Estadual de Maringá (UEM)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniv Estadual Maringa, Dept Quim, BR-87020900 Maringa, Parana, Brazil-
dc.description.affiliationUniv Estadual Maringa, Dept Fis, BR-87020900 Maringa, Parana, Brazil-
dc.description.affiliationUNESP, Inst Quim, BR-14801970 São Paulo, Brazil-
dc.description.affiliationUnespUNESP, Inst Quim, BR-14801970 São Paulo, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Luminescence-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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