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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/9988
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dc.contributor.authordo Carmo, D. R.-
dc.contributor.authorGuinesi, L. S.-
dc.contributor.authorDias, N. L.-
dc.contributor.authorStradiotto, N. R.-
dc.date.accessioned2014-05-20T13:29:32Z-
dc.date.accessioned2016-10-25T16:48:53Z-
dc.date.available2014-05-20T13:29:32Z-
dc.date.available2016-10-25T16:48:53Z-
dc.date.issued2004-08-31-
dc.identifierhttp://dx.doi.org/10.1016/j.apsusc.2004.02.061-
dc.identifier.citationApplied Surface Science. Amsterdam: Elsevier B.V., v. 235, n. 4, p. 449-459, 2004.-
dc.identifier.issn0169-4332-
dc.identifier.urihttp://hdl.handle.net/11449/9988-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/9988-
dc.description.abstractThis work describes the synthesis of octa (hydridodimethylsiloxyl) octasilsesquioxane, (Q(8)M(8)(H)) and its thermolysis in pyridine media. The new compound called CPy was characterized by FTIR, NMR-MAS, XRD, MEV spectroscopies and TGA analyses. These results indicate that silsesquioxanes cages (octanion) are maintained after thermal treatment. A cleavage of vertex siloxy groups yielding a nanocomposite with polymeric nature is proposed. Its structure and morphology allows the adsorption/inclusion of electrochemical mediator, toluidine blue O. The square wave voltammetry analysis of resulting composite (CPyTBO) exhibits two redox couple with a formal potential (E-0') 0.1 V and 0.26 V to I and II redox couples respectively, (Britton-Robinson (BR) buffer pH 3, v = 10 Hz versus SCE) ascribed to a monomer and dimmer of the toluidine blue species. This paper opens the use of spherosiloxane derived materials a's host for small molecules in the electrochemical field. (C) 2004 Elsevier B.V. All rights reserved.en
dc.format.extent449-459-
dc.language.isoeng-
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjectsilsesquioxanept
dc.subjectspherosilicatept
dc.subjecttoluidine blue Opt
dc.subjectadsorptionpt
dc.subjectelectrochemistrypt
dc.titleThermolysis of octa (hydridodimethylsiloxyl) octasilsesquioxane in pyridine media and subsequent toluidine blue O adsorptionen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniv Estadual Paulista, Inst Quim, BR-14801970 Araraquara, SP, Brazil-
dc.description.affiliationUNESP, Fac Engn Ilha Solteira, Dept Quim & Fis, BR-15385000 Solteira, SP, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, BR-14801970 Araraquara, SP, Brazil-
dc.description.affiliationUnespUNESP, Fac Engn Ilha Solteira, Dept Quim & Fis, BR-15385000 Solteira, SP, Brazil-
dc.identifier.doi10.1016/j.apsusc.2004.02.061-
dc.identifier.wosWOS:000224133900004-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofApplied Surface Science-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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