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Synthesis and characterization of mesoporous TiO2 nanostructured films prepared by a modified sol-gel method for application in dye solar cells

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dc.contributor.authorMuniz, E. C. [UNESP]
dc.contributor.authorGoes, M. S. [UNESP]
dc.contributor.authorSilva, J. J. [UNESP]
dc.contributor.authorVarela, José Arana [UNESP]
dc.contributor.authorJoanni, E.
dc.contributor.authorParra, R.
dc.contributor.authorBueno, Paulo Roberto [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionCtr Tecnol Informação Renato Archer
dc.contributor.institutionCONICET UNMdP
dc.date.accessioned2014-05-20T14:18:50Z
dc.date.available2014-05-20T14:18:50Z
dc.date.issued2011-04-01
dc.description.abstractAnatase TiO2 colloidal dispersions were obtained by hydrothermal synthesis at 200 degrees C from titanium isopropoxide gels modified with acetic acid in the presence of a non-ionic surfactant. Absolute ethanol, anhydrous terpineol and ethyl cellulose were added to this anatase dispersion resulting in a 23 wt% TiO2 paste. Mesoporous films for application as working electrodes in dye-sensitized solar cells were prepared by the screen-printing method, yielding reproducible films with thicknesses about 10 mu m and desired porosity levels in a single printing operation. An average energy conversion efficiency of 5.2%, and a fill factor of 0.66 were achieved with anatase particle sizes ranging between 15 and 20 nm. The reproducibility of the results was confirmed by electrochemical impedance spectroscopy analysis. (c) 2010 Elsevier Ltd and Techna Group S.r.l. All rights reserved.en
dc.description.affiliationUNESP, Inst Quim, Dept Quim Fis, BR-14800900 Araraquara, SP, Brazil
dc.description.affiliationCtr Tecnol Informação Renato Archer, BR-13069901 Campinas, SP, Brazil
dc.description.affiliationCONICET UNMdP, Inst Invest Ciência & Tecnol Mat INTEMA, Mar Del Plata, Argentina
dc.description.affiliationUnespUNESP, Inst Quim, Dept Quim Fis, BR-14800900 Araraquara, SP, Brazil
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.sponsorshipConsejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
dc.format.extent1017-1024
dc.identifierhttp://dx.doi.org/10.1016/j.ceramint.2010.11.014
dc.identifier.citationCeramics International. Oxford: Elsevier B.V., v. 37, n. 3, p. 1017-1024, 2011.
dc.identifier.doi10.1016/j.ceramint.2010.11.014
dc.identifier.fileWOS000288103400045.pdf
dc.identifier.issn0272-8842
dc.identifier.lattes0477045906733254
dc.identifier.orcid0000-0003-2827-0208
dc.identifier.urihttp://hdl.handle.net/11449/25681
dc.identifier.wosWOS:000288103400045
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofCeramics International
dc.relation.ispartofjcr3.057
dc.relation.ispartofsjr0,784
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectNanoparticle TiO2en
dc.subjectSol-gelen
dc.subjectHydrothermal synthesisen
dc.subjectDSCen
dc.titleSynthesis and characterization of mesoporous TiO2 nanostructured films prepared by a modified sol-gel method for application in dye solar cellsen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.author.lattes0477045906733254[7]
unesp.author.orcid0000-0003-2827-0208[7]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentFísico-Química - IQARpt

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Araraquara - IQAR - Instituto de Química