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Type: Artigo de periódico
Title: Thermal And Photochemical Degradation Of Dodecylsulfate Doped Polypyrrole
Author: Gazotti Jr. W.A.
Juliano V.F.
De Paoli M.-A.
Abstract: The authors report on the changes of the electrical, morphological, chemical and electrochemical properties of polypyrrole dodecylsulfate films aged at 100°C or exposed to a solar simulator light source. The thermal aging induces a loss of conductivity and a gradual decrease of the anodic and cathodic peak currents, as measured by cyclic voltammetry. Irradiation does not substantially alter the properties of the films; the conductivity does not change and the electroactivity is slightly modified. Degradation of the properties is attributed to cross-linking, oxidation and evaporation of low molecular weight oligomers. © 1993.
Rights: fechado
Identifier DOI: 10.1016/0141-3910(93)90227-A
Date Issue: 1993
Appears in Collections:Unicamp - Artigos e Outros Documentos

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