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Abstract:

The IR spectra of poly(o-toluidine) in the reduced, half and fully oxidized states have been studied in both salt and base forms. The bands in the range 1500 to 1600 cm -1 undergo important intensity changes as the degree of oxidation increases. The IR spectra show that during the electrochemical polymerization there is an influence of the nature of the anion present in the electrolyte. This shows up as conformational differences in the polymer backbone, but it does not affect the chemical structure. Also, spectral changes are observed when the polymer is oxidized in supporting electrolytes containing different anions. This has been interpreted by considering that the less hydrated anions can approach closer to the positive centres of the protonated amine groups.

Registro:

Documento: Artículo
Título:IR response of poly(o-toluidine): Spectral modifications upon redox state change
Autor:Andrade, E.M.; Molina, F.V.; Florit, M.I.; Posadas, D.
Filiación:INQUIMAE, Depto. de Quim. Inorgánica, Ciudad Universitaria, Pabellón II, Buenos Aires 1428, Argentina
INIFTA, Departamento de Química, Facultad de Ciencias Exactas, Suc. 4, C.C. 16, La Plata 1900, Argentina
Palabras clave:IR spectra; Poly(o-toluidine); Redox state; Amines; Chemical modification; Composition effects; Conformations; Electropolymerization; Infrared spectroscopy; Redox reactions; Salts; Polytoluidine; Polyelectrolytes
Año:1996
Volumen:419
Número:1
Página de inicio:15
Página de fin:21
DOI: http://dx.doi.org/10.1016/S0022-0728(96)04874-7
Título revista:Journal of Electroanalytical Chemistry
Título revista abreviado:J Electroanal Chem
ISSN:15726657
CODEN:JECHE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15726657_v419_n1_p15_Andrade

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Citas:

---------- APA ----------
Andrade, E.M., Molina, F.V., Florit, M.I. & Posadas, D. (1996) . IR response of poly(o-toluidine): Spectral modifications upon redox state change. Journal of Electroanalytical Chemistry, 419(1), 15-21.
http://dx.doi.org/10.1016/S0022-0728(96)04874-7
---------- CHICAGO ----------
Andrade, E.M., Molina, F.V., Florit, M.I., Posadas, D. "IR response of poly(o-toluidine): Spectral modifications upon redox state change" . Journal of Electroanalytical Chemistry 419, no. 1 (1996) : 15-21.
http://dx.doi.org/10.1016/S0022-0728(96)04874-7
---------- MLA ----------
Andrade, E.M., Molina, F.V., Florit, M.I., Posadas, D. "IR response of poly(o-toluidine): Spectral modifications upon redox state change" . Journal of Electroanalytical Chemistry, vol. 419, no. 1, 1996, pp. 15-21.
http://dx.doi.org/10.1016/S0022-0728(96)04874-7
---------- VANCOUVER ----------
Andrade, E.M., Molina, F.V., Florit, M.I., Posadas, D. IR response of poly(o-toluidine): Spectral modifications upon redox state change. J Electroanal Chem. 1996;419(1):15-21.
http://dx.doi.org/10.1016/S0022-0728(96)04874-7