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A self-doped polyaniline derivative obtained by electrochemical copolymerization of aminoterephthalic acid and aniline

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A self-doped polyaniline derivative obtained by electrochemical copolymerization of aminoterephthalic acid and aniline

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dc.contributor.author Dkhili, S. es_ES
dc.contributor.author López-Bernabeu, Sara es_ES
dc.contributor.author Huerta, Francisco es_ES
dc.contributor.author Montilla-Jiménez, Francisco es_ES
dc.contributor.author Besbes-Hentati, S. es_ES
dc.contributor.author Morallón, Emilia es_ES
dc.date.accessioned 2018-11-14T21:03:25Z
dc.date.available 2018-11-14T21:03:25Z
dc.date.issued 2018 es_ES
dc.identifier.issn 0379-6779 es_ES
dc.identifier.uri http://hdl.handle.net/10251/112505
dc.description.abstract [EN] The electrochemical copolymerization of aminoterephthalic acid and aniline can be achieved to yield a self-doped material showing electroactivity at physiological pH. The present study focusses on the management of the synthesis conditions to obtain a true copolymerization product and to control the relative amount of both comonomers eventually incorporated to the copolymer chain. Both, in situ FTIR spectroscopy and ex situ XPS techniques proved the successful incorporation of aminoterephthalic acid and, in parallel to other polyaniline parent derivatives, revealed the existence of redox transformations involving leucoemeraldine-emeraldine-pernigraniline transitions. The use of a high inversion potential (1.4¿V/RHE) during electro-copolymerization resulted in a material enriched in aminoterephthalic acid fraction with respect to aniline, while this last component is favored at lower potentials. The pH behavior of copolymers in combination with in situ FTIR results strongly suggested that a larger content of aminoterephthalic acid (such as that obtained after deposition at 1.4¿V) do not ensure an extensive self-doping process because a significant fraction of those carboxylic moieties remain inactive during the redox transformation. Instead, low inversion potentials are preferred to obtain a material with less defects and thoroughly electroactive at physiological pH. es_ES
dc.description.sponsorship Financial support from the Spanish Ministerio de Economia y Competitividad and FEDER funds (MAT2016-76595-R) is gratefully acknowledged. S. Dhkili thanks the Ministry of Higher Education and Scientific Research of Tunisia for funding her stay at the University of Alicante. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation MINECO-FEDER/MAT2016-76595-R es_ES
dc.relation.ispartof Synthetic Metals es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Polyaniline es_ES
dc.subject Self-doped conducting polymer es_ES
dc.subject In situ FTIR es_ES
dc.subject Electrochemical copolymerization es_ES
dc.subject XPS es_ES
dc.subject.classification QUIMICA FISICA es_ES
dc.title A self-doped polyaniline derivative obtained by electrochemical copolymerization of aminoterephthalic acid and aniline es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.synthmet.2018.08.005 es_ES
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Textil y Papelera - Departament d'Enginyeria Tèxtil i Paperera es_ES
dc.description.bibliographicCitation Dkhili, S.; López-Bernabeu, S.; Huerta, F.; Montilla-Jiménez, F.; Besbes-Hentati, S.; Morallón, E. (2018). A self-doped polyaniline derivative obtained by electrochemical copolymerization of aminoterephthalic acid and aniline. Synthetic Metals. 245:61-66. doi:10.1016/j.synthmet.2018.08.005 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1016/j.synthmet.2018.08.005 es_ES
dc.description.upvformatpinicio 61 es_ES
dc.description.upvformatpfin 66 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 245 es_ES
dc.relation.pasarela S\367438 es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
dc.contributor.funder European Regional Development Fund
dc.contributor.funder Ministère de l’Enseignement Supérieur et de la Recherche Scientifique, Túnez


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