On the polymerization of 2-aminodiphenylamine: an electrochemical and spectroscopic study

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dc.contributorElectrocatálisis y Electroquímica de Polímerosen
dc.contributor.authorCotarelo Méndez, María de los Ángeles-
dc.contributor.authorHuerta Arráez, Francisco-
dc.contributor.authorMallavia Marín, Ricardo-
dc.contributor.authorMorallon, Emilia-
dc.contributor.authorVázquez Picó, José Luis-
dc.contributor.otherUniversidad de Alicante. Departamento de Química Físicaen
dc.contributor.otherUniversidad Politécnica de Valencia. Departamento de Ingeniería Textil y Papeleraen
dc.contributor.otherUniversidad Miguel Hernández. Instituto de Biología Molecular y Celularen
dc.identifier.citationCOTARELO MÉNDEZ, Mª de los Ángeles, et al. "On the polymerization of 2-aminodiphenylamine: an electrochemical and spectroscopic study". Synthetic Metals. Vol. 156, Issue 1 (5 Jan. 2006). ISSN 0379-6779, pp. 51-57en
dc.description.abstractThe electrochemical oxidation of 2-aminodiphenylamine (2ADPA) was performed by cyclic scanning of the potential in aqueous HCl solutions. A mixture of oligomeric compounds, named poly(2ADPA), was deposited on the surface of the electrode. The chemical structures present in poly(2ADPA) containing phenazine units and open-ring units were assigned by 1H NMR spectroscopy. CV results revealed that the redox transformation of poly(2ADPA) from the fully reduced to the fully oxidized state occurs under a single voltammetric peak. The SEM images obtained for the polymer deposited on platinum substrates showed a “fallen leaves” morphology. In situ FTIR spectroscopy experiments carried out during the reversible oxidation of the polymer revealed that the conversion of aromatic rings (1500 cm−1) into quinoid structures (1524–1590 cm−1) is of major significance. Besides, the transformation of secondary aromatic amines (1301 cm−1) into fully oxidized imines and polaronic structures (1470, 1389, 1330 and 1250 cm−1) has been observed.en
dc.description.sponsorshipMinisterio de Ciencia y Tecnlogía (MAT2004-1479); Comisión Europea (Fondos ERDF).en
dc.subjectCyclic voltammetryen
dc.subjectIn situ FTIR spectroscopyen
dc.subjectNMR spectroscopyen
dc.subject.otherQuímica Físicaen
dc.subject.otherCiencia de Materialesen
dc.titleOn the polymerization of 2-aminodiphenylamine: an electrochemical and spectroscopic studyen
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