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Type: Artigo de periódico
Title: Effect of thickness, chemical nature of dopants and an alkyl substituent on absorption bands of polyaniline
Author: de Torresi, SIC
Bassetto, AN
Trasferetti, BC
Abstract: The effect of thickness, an alkyl substituent in the ortho position and the chemical nature of the counterion on the absorption spectra of polyaniline films was studied. Previous work performed using the electrochemical quartz crystal microbalance technique (EQCM) has shown a greater participation of anions in the ionic exchange process when the thickness of the film is increased. This fact was attributed to morphological changes leading to different densities of the polymer film, which was demonstrated by SEM experiments. Changes in absorption spectra provoked by conformational changes due to the presence of a substituent and the effect of the chemical nature of the anions art analyzed for Cl-, ClO4- and p-toluene sulfonate (PTS-).
Country: EUA
Editor: Springer Verlag
Citation: Journal Of Solid State Electrochemistry. Springer Verlag, v. 2, n. 1, n. 24, n. 29, 1998.
Rights: fechado
Identifier DOI: 10.1007/s100080050060
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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