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dc.contributor.authorMolina, J.por
dc.contributor.authorZille, Andreapor
dc.contributor.authorFernández, J.por
dc.contributor.authorSouto, A. Pedropor
dc.contributor.authorBonastre, J.por
dc.contributor.authorCases, F.por
dc.identifier.citationMolina J, Zille A, Fernández J, Souto AP, Bonastre J, Cases F (2015) Conducting fabrics of polyester coated with polypyrrole and doped with graphene oxide. Synthetic Metals. 204:110-121por
dc.description.abstractPolyester (PES) has been coated with polypyrrole (PPy) to produce conducting fabrics. Graphene oxide (GO) has been used in different concentrations (10, 20 and 30% weight) as counter ion to neutralize the positive charges of the PPy structure. Fourier transform infrared spectroscopy with attenuated total reflection (FTIR-ATR), energy dispersive X-ray (EDX) and X-ray photoelectron spectroscopy (XPS) of the PPy/GO powders corroborated the incorporation of GO as counter ion due to the presence of O in the EDX spectrum, as well as an excess of C, arising from GO contribution. The doping level (N+/N) decreased with the GO content. Field emission scanning electron microscopy (FESEM) showed the formation of the PPy/GO coating and the incorporation of GO in the composite. Electrochemical impedance spectroscopy (EIS) in solid state and solution, cyclic voltammetry (CV) and scanning electrochemical microscopy (SECM) were used to test the electrical properties and electroactivity of the fabrics. There was a decrease in the electrical properties and electroactivity as the GO content increased. The conductivity of the fabrics could be tuned by varying the GO content.por
dc.description.sponsorshipSpanish Ministerio de Ciencia e Innovación (contract CTM2011-23583) for the financial support. Conselleria d'Educació, Formació i Ocupació (Generalitat Valenciana) for the Programa VALi+D Postdoctoral Fellowship. C2011-UMINHO-2C2T-01 FCT funding from Programa Compromisso para a Ciência 2008, Portugal. XPS studies were performed at CEMUP (University of Porto, Portugal) facilities. Electron Microscopy Service of the UPV (Universitat Politècnica de València) is gratefully acknowledged for help with FESEM and EDX characterization.por
dc.subjectGraphene oxidepor
dc.subjectConducting fabricpor
dc.subjectX-ray photoelectron spectroscopy (XPS)por
dc.subjectElectrochemical impedance spectroscopy (EIS)por
dc.subjectScanning electrochemical microscopy (SECM)por
dc.titleConducting fabrics of polyester coated with polypyrrole and doped with graphene oxideeng
oaire.citationTitleSynthetic Metalspor
dc.subject.fosEngenharia e Tecnologia::Engenharia dos Materiaispor
dc.subject.wosScience & Technologypor
sdum.journalSynthetic Metalspor
Appears in Collections:DET/2C2T - Artigos em revistas internacionais com arbitragem científica

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