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Blue and red light photoluminescence emission at room temperature from CaTiO3 decorated with α-Ag2WO4

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dc.contributor.authorMondego, Mayara
dc.contributor.authorde Oliveira, Regiane C.
dc.contributor.authorPenha, Maya
dc.contributor.authorLi, Máximo Siu [UNESP]
dc.contributor.authorLongo, Elson
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-12-11T16:45:48Z
dc.date.available2018-12-11T16:45:48Z
dc.date.issued2017-05-01
dc.description.abstractCaTiO3 (CT) and α-Ag2WO4 (AW) semiconductors are widely known for their interesting electrical and photoluminescence (PL) properties. In this study, we decorated CT with AW for obtaining CaTiO3:α-Ag2WO4 (CT:AW), and investigated the properties of the produced materials, especially their PL properties. The X-ray diffraction peaks of the synthesized microcrystals were well indexed to the orthorhombic phase for all the samples. Two morphologies: cube-like for CT and rod-like for AW were observed by field-emission scanning electron microscopy (FE-SEM). The FE-SEM and transmission electron microscopy (TEM) studies indicated the presence of rod-shaped AW deposited on the surfaces of cube-shaped CT morphology. PL emission of the decorated samples overlaps all the visible region spectra because of the contribution from both the constituent materials that induce maximum emissions in the blue and red regions. The examination of Commission internationale de ĺéclairage (CIE) coordinates confirmed that the decorated samples exhibit favored emission the red wavelength region.en
dc.description.affiliationCDMF-UFSCar Universidade Federal de São Carlos, P.O. Box 676
dc.description.affiliationIFSC Universidade de São Paulo, P.O. Box 369
dc.description.affiliationCDMF-UNESP Universidade Estadual Paulista
dc.description.affiliationUnespCDMF-UNESP Universidade Estadual Paulista
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.sponsorshipIdCAPES: 1268069
dc.description.sponsorshipIdFAPESP: 2013/07296-2
dc.description.sponsorshipIdFAPESP: 2013/26671-9
dc.description.sponsorshipIdCNPq: 304531/2013-8
dc.format.extent5759-5766
dc.identifierhttp://dx.doi.org/10.1016/j.ceramint.2017.01.121
dc.identifier.citationCeramics International, v. 43, n. 7, p. 5759-5766, 2017.
dc.identifier.doi10.1016/j.ceramint.2017.01.121
dc.identifier.file2-s2.0-85011086338.pdf
dc.identifier.issn0272-8842
dc.identifier.scopus2-s2.0-85011086338
dc.identifier.urihttp://hdl.handle.net/11449/169417
dc.language.isoeng
dc.relation.ispartofCeramics International
dc.relation.ispartofsjr0,784
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectCalcium titanate
dc.subjectDecoration
dc.subjectOptical properties
dc.subjectSilver tungstate
dc.titleBlue and red light photoluminescence emission at room temperature from CaTiO3 decorated with α-Ag2WO4en
dc.typeArtigo
dspace.entity.typePublication

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