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Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal Method

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dc.contributor.authorda Silva, Luis F.
dc.contributor.authorAvansi, Waldir [UNESP]
dc.contributor.authorMoreira, Mario L. [UNESP]
dc.contributor.authorMesquita, Alexandre
dc.contributor.authorMaia, Lauro J. Q.
dc.contributor.authorAndres, Juan
dc.contributor.authorLongo, Elson [UNESP]
dc.contributor.authorMastelaro, Valmor R.
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidade Federal de Goiás (UFG)
dc.contributor.institutionUniv Jaume 1
dc.date.accessioned2014-05-20T15:34:08Z
dc.date.available2014-05-20T15:34:08Z
dc.date.issued2012-01-01
dc.description.abstractThis paper describes the effect of using different titanium precursors on the synthesis and physical properties of SrTiO3 powders obtained by microwave-assisted hydrothermal method. X-ray diffraction measurements, X-ray absorption near-edge structure (XANES) spectroscopy, field emission scanning electron microscopy (FE-SEM), and high-resolution transmission electron microscopy (HRTEM) were carried out to investigate the structural and optical properties of the SrTiO3 spherical and cubelike-shaped particles. The appropriate choice of the titanium precursor allowed the control of morphological and photoluminescence (PL) properties of SrTiO3 compound. The PL emission was more intense in SrTiO3 samples composed of spherelike particles. This behavior was attributed to the existence of a lower amount of defects due to the uniformity of the spherical particles.en
dc.description.affiliationUniv São Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Quim, BR-14800900 Araraquara, SP, Brazil
dc.description.affiliationUniv Fed Sao Carlos, Dept Fis, BR-13565905 Sao Carlos, SP, Brazil
dc.description.affiliationUniv Fed Goias, Inst Fis, BR-74001970 Goiania, Go, Brazil
dc.description.affiliationUniv Jaume 1, Dept Quim Fis & Analit, Castellon de La Plana 12071, Spain
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, BR-14800900 Araraquara, SP, Brazil
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.sponsorshipIdCNPq: 70/2008
dc.format.extent6
dc.identifierhttp://dx.doi.org/10.1155/2012/890397
dc.identifier.citationJournal of Nanomaterials. New York: Hindawi Publishing Corporation, p. 6, 2012.
dc.identifier.doi10.1155/2012/890397
dc.identifier.fileWOS000305028300001.pdf
dc.identifier.issn1687-4110
dc.identifier.urihttp://hdl.handle.net/11449/42435
dc.identifier.wosWOS:000305028300001
dc.language.isoeng
dc.publisherHindawi Publishing Corporation
dc.relation.ispartofJournal of Nanomaterials
dc.relation.ispartofjcr2.207
dc.relation.ispartofsjr0,360
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.titleRelationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal Methoden
dc.typeArtigo
dcterms.licensehttp://www.hindawi.com/journals/apm/apc/
dcterms.rightsHolderHindawi Publishing Corporation
dspace.entity.typePublication
unesp.author.lattes2835864951583089[4]
unesp.author.orcid0000-0001-8524-0959[4]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentBioquímica e Tecnologia - IQpt

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Araraquara - IQAR - Instituto de Química