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Platinum-coated nanostructured oxides for active catalytic electrodes

dc.contributor.authorBueno, Paulo Roberto [UNESP]
dc.contributor.authorJoanni, Ednan
dc.contributor.authorSavu, Raluca [UNESP]
dc.contributor.authorGarcia, Lourdes M.
dc.contributor.authorGoes, Marcio S. [UNESP]
dc.contributor.authorFabregat-Santiago, Francisco
dc.contributor.authorBisquert, Juan
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionCtr Tecnol Informação Renato Archer CTI
dc.contributor.institutionUniv Jaume 1
dc.date.accessioned2014-05-20T14:18:38Z
dc.date.available2014-05-20T14:18:38Z
dc.date.issued2011-10-25
dc.description.abstractIn this work we propose the use of platinum-coated nanostructured oxides for improving the redox rate of active electrodes for applications in catalysts for water splitting, fuel cells, organic depollution, etc. In order to test this concept, CaCu(3)Ti(4)O(12) nanorods were grown by magnetron sputtering over Si/SiO(2)/Ti/Pt substrates and coated with a platinum layer using the same technique. The performance of this active electrode was studied by cyclic voltammetry and electrochemical impedance spectroscopy. Other Pt films (both dense and porous) deposited on oxidized silicon, and platinum-coated FTO-glass, when tested under the same conditions, were less efficient. The charge transfer resistance and the capacitance of one dimensional platinum-coated nanostructured electrodes were at least one order of magnitude better than those measured for platinum-coated FTO-glass. (C) 2011 Elsevier B.V. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, Inst Quim Araraquara, Dept Quim Fis, BR-14800900 Araraquara, SP, Brazil
dc.description.affiliationCtr Tecnol Informação Renato Archer CTI, BR-13069901 Campinas, SP, Brazil
dc.description.affiliationUniv Jaume 1, Dept Fis, Grp Dispositius Fotovota & Optoelect, Castellon de La Plana 12071, Spain
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim Araraquara, Dept Quim Fis, BR-14800900 Araraquara, SP, Brazil
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipMinisterio de Ciência e Innovacion
dc.description.sponsorshipGeneralitat Valenciana
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: 199/09
dc.description.sponsorshipIdMinisterio de Ciência e Innovacion: PHB-2008-040-PC
dc.description.sponsorshipIdMinisterio de Ciência e Innovacion: HOPE CSD2007-00007
dc.description.sponsorshipIdMinisterio de Ciência e Innovacion: MAT2007-62982
dc.description.sponsorshipIdGeneralitat Valenciana: PROMETEO/2009/058
dc.format.extent58-61
dc.identifierhttp://dx.doi.org/10.1016/j.catcom.2011.07.008
dc.identifier.citationCatalysis Communications. Amsterdam: Elsevier B.V., v. 14, n. 1, p. 58-61, 2011.
dc.identifier.doi10.1016/j.catcom.2011.07.008
dc.identifier.issn1566-7367
dc.identifier.lattes0477045906733254
dc.identifier.orcid0000-0003-2827-0208
dc.identifier.urihttp://hdl.handle.net/11449/25625
dc.identifier.wosWOS:000296213700012
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofCatalysis Communications
dc.relation.ispartofjcr3.463
dc.relation.ispartofsjr0,929
dc.rights.accessRightsAcesso restritopt
dc.sourceWeb of Science
dc.subjectActive electrodeen
dc.subjectNanostructuresen
dc.subjectCatalysisen
dc.subjectPlatinumen
dc.titlePlatinum-coated nanostructured oxides for active catalytic electrodesen
dc.typeArtigopt
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
relation.isOrgUnitOfPublicationbc74a1ce-4c4c-4dad-8378-83962d76c4fd
relation.isOrgUnitOfPublication.latestForDiscoverybc74a1ce-4c4c-4dad-8378-83962d76c4fd
unesp.author.lattes0477045906733254[1]
unesp.author.orcid0000-0003-2827-0208[1]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentFísico-Química - IQARpt

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