Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/59619
Type: Artigo de periódico
Title: Photoelectrochemistry of polyaniline supported in a microporous cellulose acetate membrane
Author: das Neves, S
De Paoli, MA
Abstract: We studied the photoelectrochemical response of polyaniline dispersed in a microporous membrane structure. Films of the composite were obtained by electropolymerization of aniline on a platinum electrode coated with a microporous cellulose acetate membrane. They were characterized by UV-Visible spectroscopy, scanning electron microscopy and electrochemical impedance spectroscopy. We compared the results with a electrochemically synthesized polyaniline and a composite film prepared by casting. The photocurrent response of polyaniline is enhanced by its dispersion in the pores,of the membrane. Depending on the potential applied to the electrode, we observe in both cases an n- or p-type semiconductor photoresponse. (C) 1998 Elsevier Science S.A. All rights reserved.
Subject: polyaniline
photoelectrochemistry
microporous cellulose acetate membranes
Country: Suíça
Editor: Elsevier Science Sa
Rights: fechado
Identifier DOI: 10.1016/S0379-6779(98)00062-9
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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