Artículo
Arnau, A.; Jimenez, Y.; Fernández, R.; Torres, R.; Otero, M.; Calvo, E.J. "Viscoelastic characterization of electrochemically prepared conducting polymer films by impedance analysis at quartz crystal study of the surface roughness effect on the effective values of the viscoelastic properties of the coating" (2006) Journal of the Electrochemical Society. 153(7):C455-C466
Consulte la política de Acceso Abierto del editor
Abstract:
An electrochemical quartz crystal microbalance is used for a continuous monitoring of the growth of the polymer poly(3,4-ethylenedioxy) thiophene tetrabutylammonium perchlorate (PEDOT-TBAP), electropolymerized in acetonitrile on a gold electrode of a 10 MHz AT-cut quartz crystal resonator. The surface acoustic impedance of the resonator is analyzed starting from the electrical admittance continuously measured by means of a network analyzer. Changes in the acoustic impedance suggest that a mechanical resonance phenomenon occurs during the electrodeposition. To determine the origin of this effect, the evolution of the physical properties of the coating is analyzed. This analysis shows a significant change of the viscoelastic properties of the coating during the electropolymerization and especially during the time interval of the suspected mechanical resonance. The effect of the surface roughness on the mechanical impedance of the coating is analyzed. This study seems to indicate that the changes in the effective viscoelastic properties of the coating are due to the changes in the surface roughness. The mechanical resonance effect also seems to be more a result of this change in the coating effective viscoelastic properties than of the growth of the coating thickness where coating viscoelastic properties are maintained constant. © 2006 The Electrochemical Society. All rights reserved.
Registro:
| Documento: | Artículo |
| Título: | Viscoelastic characterization of electrochemically prepared conducting polymer films by impedance analysis at quartz crystal study of the surface roughness effect on the effective values of the viscoelastic properties of the coating |
| Autor: | Arnau, A.; Jimenez, Y.; Fernández, R.; Torres, R.; Otero, M.; Calvo, E.J. |
| Filiación: | Departamento Ingeniería Electrónica, Universidad Polit́cnica de Valencia, Camino de Vera s/n, 46022 Valencia, Spain Departamento de Física/CONICET, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellón 2, AR-1428 Buenos Aires, Argentina INQUIMAE, Departamento de Química Inorgánica Analítica y Química Física, Ciudad Universitaria, Pabellón 2, AR-1428 Buenos Aires, Argentina |
| Palabras clave: | Acoustic impedance; Coatings; Crystal growth; Electrodes; Single crystals; Surface roughness; Viscoelasticity; Electrochemical quartz crystal microbalance; Mechanical impedance; Network analyzer; Quartz crystal resonator; Plastic films |
| Año: | 2006 |
| Volumen: | 153 |
| Número: | 7 |
| Página de inicio: | C455 |
| Página de fin: | C466 |
| DOI: | http://dx.doi.org/10.1149/1.2195893 |
| Título revista: | Journal of the Electrochemical Society |
| Título revista abreviado: | J Electrochem Soc |
| ISSN: | 00134651 |
| CODEN: | JESOA |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00134651_v153_n7_pC455_Arnau |
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Citas:
---------- APA ----------
Arnau, A., Jimenez, Y., Fernández, R., Torres, R., Otero, M. & Calvo, E.J. (2006) . Viscoelastic characterization of electrochemically prepared conducting polymer films by impedance analysis at quartz crystal study of the surface roughness effect on the effective values of the viscoelastic properties of the coating. Journal of the Electrochemical Society, 153(7), C455-C466.http://dx.doi.org/10.1149/1.2195893
---------- CHICAGO ----------
Arnau, A., Jimenez, Y., Fernández, R., Torres, R., Otero, M., Calvo, E.J. "Viscoelastic characterization of electrochemically prepared conducting polymer films by impedance analysis at quartz crystal study of the surface roughness effect on the effective values of the viscoelastic properties of the coating" . Journal of the Electrochemical Society 153, no. 7 (2006) : C455-C466.http://dx.doi.org/10.1149/1.2195893
---------- MLA ----------
Arnau, A., Jimenez, Y., Fernández, R., Torres, R., Otero, M., Calvo, E.J. "Viscoelastic characterization of electrochemically prepared conducting polymer films by impedance analysis at quartz crystal study of the surface roughness effect on the effective values of the viscoelastic properties of the coating" . Journal of the Electrochemical Society, vol. 153, no. 7, 2006, pp. C455-C466.http://dx.doi.org/10.1149/1.2195893
---------- VANCOUVER ----------
Arnau, A., Jimenez, Y., Fernández, R., Torres, R., Otero, M., Calvo, E.J. Viscoelastic characterization of electrochemically prepared conducting polymer films by impedance analysis at quartz crystal study of the surface roughness effect on the effective values of the viscoelastic properties of the coating. J Electrochem Soc. 2006;153(7):C455-C466.http://dx.doi.org/10.1149/1.2195893
