Synthesis and characterization of electroactive films deposited from aniline dimers
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Título: | Synthesis and characterization of electroactive films deposited from aniline dimers |
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Autor/es: | Cotarelo Méndez, María de los Ángeles | Huerta Arráez, Francisco | Quijada Tomás, César | Mallavia Marín, Ricardo | Vázquez Picó, José Luis |
Grupo/s de investigación o GITE: | Electrocatálisis y Electroquímica de Polímeros |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Química Física | Universidad Politécnica de Valencia. Departamento de Ingeniería Textil y Papelera | Universidad Miguel Hernández. Instituto de Biología Molecular y Celular |
Palabras clave: | Electropolimerization | Aniline dimers | Electroactive films |
Área/s de conocimiento: | Química Física | Ciencia de Materiales |
Fecha de creación: | 10-mar-2006 |
Fecha de publicación: | 12-may-2006 |
Editor: | The Electrochemical Society |
Cita bibliográfica: | COTARELO MÉNDEZ, María de los Ángeles, et al. "Synthesis and characterization of electroactive films deposited from aniline dimers". Journal of The Electrochemical Society. Vol. 153, Issue 7 (2006). ISSN 0013-4651, pp. D114-D122 |
Resumen: | The electrochemical oxidation of the aniline dimers 2-aminodiphenylamine (2-adpa) and 4-aminodiphenylamine (4-adpa) has been performed in strongly acidic medium on platinum, graphite, and indium tin oxide electrodes. The resulting films have been characterized by a number of electrochemical, microscopic, and spectroscopic techniques in order to gain some insight on their respective chemical structures. Both poly(2-adpa) and poly(4-adpa) are electroactive species which differ significantly one from another. It was found that aged poly(4-adpa)displayed electrochemical, morphologic and spectroscopic characteristics similar to those shown by polyaniline. On the contrary, poly(2-adpa) is really a mixture of three oligomerization products. The two main oligomers contain both open-ring and cycled phenazine centers, although their chemical structures seem to differ in the cap-end of the chain growth. The third oligomer is a minor product which seems a highly symmetric macrocycle involving several 2-adpa molecules. |
Patrocinador/es: | This work has been cofinanced by the European Commission (ERDF funds) and the Spanish Ministerio de Educación y Cultura (MAT2004-01479). University of Alicante assisted in meeting the publication costs of this article. |
URI: | http://hdl.handle.net/10045/3135 |
ISSN: | 0013-4651 |
DOI: | 10.1149/1.2198010 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © The Electrochemical Society, Inc. 2006. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in Journal of The Electrochemical Society, 153 (7) D114-D122 (2006). http://ecsdl.org/dbt/dbt.jsp?KEY=JESOAN&Volume=LASTVOL&Issue=LASTISS |
Revisión científica: | si |
Versión del editor: | http://dx.doi.org/10.1149/1.2198010 |
Aparece en las colecciones: | INV - GEPE - Artículos de Revistas |
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