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BaMoO(4) powders processed in domestic microwave-hydrothermal: Synthesis, characterization and photoluminescence at room temperature

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dc.contributor.authorCavalcante, L. S.
dc.contributor.authorSczancoski, J. C.
dc.contributor.authorTranquilin, R. L.
dc.contributor.authorJoya, M. R.
dc.contributor.authorPizani, P. S.
dc.contributor.authorVarela, José Arana [UNESP]
dc.contributor.authorLongo, Elson [UNESP]
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:33:42Z
dc.date.available2014-05-20T15:33:42Z
dc.date.issued2008-11-01
dc.description.abstractIn this paper, BaMoO(4) powders were prepared by the coprecipitation method and processed ill a domestic microwave-hydrothermal. The obtained powders were characterized by X-ray diffraction (XRD), Fourier transform Raman (FT-Raman) spectroscopy, ultraviolet-visible (UV-vis) absorption spectroscopy and photoluminescence (PL) measurements. The morphology of these powders were investigated by scanning electron microscopy (SEM). SEM micrographs showed that the BaMoO(4) powders present a polydisperse particle size distribution. XRD and FT-Raman analyses revealed that the BaMoO(4) powders are free of secondary phases and crystallize in a tetragonal structure. UV-vis was employed to determine the optical band gap of this material. PL measurements at room temperature exhibited a maximum emission around 542 nm (green emission) when excited with 488 run wavelength. This PL behavior was attributed to the existence of intrinsic distortions into the [MoO(4)] tetrahedron groups in the lattice. (C) 2008 Elsevier Ltd. All rights reserved.en
dc.description.affiliationLIEC UFSCar, Dept Quim & Fis, BR-13565905 São Carlos, SP, Brazil
dc.description.affiliationUNESP, LIEC, Inst Quim, BR-14801970 Araraquara, SP, Brazil
dc.description.affiliationUnespUNESP, LIEC, Inst Quim, BR-14801970 Araraquara, SP, Brazil
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipUFPB
dc.format.extent2674-2680
dc.identifierhttp://dx.doi.org/10.1016/j.jpcs.2008.06.107
dc.identifier.citationJournal of Physics and Chemistry of Solids. Oxford: Pergamon-Elsevier B.V. Ltd, v. 69, n. 11, p. 2674-2680, 2008.
dc.identifier.doi10.1016/j.jpcs.2008.06.107
dc.identifier.issn0022-3697
dc.identifier.urihttp://hdl.handle.net/11449/42265
dc.identifier.wosWOS:000261220100010
dc.language.isoeng
dc.publisherPergamon-Elsevier B.V. Ltd
dc.relation.ispartofJournal of Physics and Chemistry of Solids
dc.relation.ispartofjcr2.207
dc.relation.ispartofsjr0,594
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectOptical materialsen
dc.subjectChemical synthesisen
dc.subjectElectron microscopyen
dc.subjectLuminescenceen
dc.subjectOptical propertiesen
dc.titleBaMoO(4) powders processed in domestic microwave-hydrothermal: Synthesis, characterization and photoluminescence at room temperatureen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderPergamon-Elsevier B.V. Ltd
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentBioquímica e Tecnologia - IQARpt
unesp.departmentFísico-Química - IQARpt

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Araraquara - IQAR - Instituto de Química