Hierarchical Assembly of CaMoO4 Nano-Octahedrons and Their Photoluminescence Properties

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dc.contributor.authorLongo, Valeria M. [UNESP]
dc.contributor.authorCavalcante, Laecio S. [UNESP]
dc.contributor.authorParis, Elaine C. [UNESP]
dc.contributor.authorSczancoski, Julio C. [UNESP]
dc.contributor.authorPizani, Paulo S.
dc.contributor.authorLi, Maximo Siu
dc.contributor.authorAndres, Juan
dc.contributor.authorLongo, Elson [UNESP]
dc.contributor.authorVarela, José Arana [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniv Jaume 1
dc.date.accessioned2014-05-20T15:30:49Z
dc.date.available2014-05-20T15:30:49Z
dc.date.issued2011-04-07
dc.description.abstractHierarchical assemblies of CaMoO4 (CM) nano-octahedrons were obtained by microwave-assisted hydrothemial synthesis at 120 degrees C for different times. These structures were structurally, morphologically and optically characterized by X-ray diffraction, micro-Raman spectroscopy, field-emission gun scanning electron microscopy, ultraviolet-visible absorption spectroscopy and photoluminescence measurements. First-principle calculations have been carried out to understand the structural and electronic order-disorder effects as a function of the particle/region size. Supercells of different dimensions were constructed to simulate the geometric distortions along both they and z planes of the scheelite structure. Based on these experimental results and with the help of detailed structural simulations, we were able to model the nature of the order-disorder in this important class of materials and discuss the consequent implications on its physical properties, in particular, the photoluminescence properties of CM nanocrystals.en
dc.description.affiliationUniv Estadual Paulista, Inst Quim, LIEC, BR-14800900 Araraquara, SP, Brazil
dc.description.affiliationUniversidade Federal de São Carlos (UFSCar), Dept Fis, BR-13560000 São Carlos, SP, Brazil
dc.description.affiliationUniv São Paulo, IFSC, BR-13560970 São Carlos, SP, Brazil
dc.description.affiliationUniv Jaume 1, Dept Quim Fis & Analit, Castellon de La Plana 12071, Spain
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, LIEC, BR-14800900 Araraquara, SP, Brazil
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipGeneralitat Valenciana
dc.description.sponsorshipSpanish Ministry Ministerio de Ciência c Innovacion
dc.description.sponsorshipIdSpanish MICINN: CTQ2009-14541-C02
dc.format.extent5207-5219
dc.identifierhttp://dx.doi.org/10.1021/jp1082328
dc.identifier.citationJournal of Physical Chemistry C. Washington: Amer Chemical Soc, v. 115, n. 13, p. 5207-5219, 2011.
dc.identifier.doi10.1021/jp1082328
dc.identifier.issn1932-7447
dc.identifier.urihttp://hdl.handle.net/11449/40123
dc.identifier.wosWOS:000288885900003
dc.language.isoeng
dc.publisherAmer Chemical Soc
dc.relation.ispartofJournal of Physical Chemistry C
dc.relation.ispartofjcr4.484
dc.relation.ispartofsjr2,135
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleHierarchical Assembly of CaMoO4 Nano-Octahedrons and Their Photoluminescence Propertiesen
dc.typeArtigo
dcterms.licensehttp://pubs.acs.org/page/copyright/journals/faqs.html
dcterms.rightsHolderAmer Chemical Soc
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Química, Araraquarapt

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