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Parallel kinetic studies of the electrogeneration of conducting polymers: mixed materials, composition and properties control

Authors
Journal
Electrochimica Acta
0013-4686
Publisher
Elsevier
Publication Date
Volume
39
Issue
2
Identifiers
DOI: 10.1016/0013-4686(94)80060-x
Keywords
  • Empirical Kinetics
  • Microgravimetry
  • Electrical Kinetics
  • Electrochemical Kinetics
  • Charge Storage Kinetics
  • Reactions Model
  • Mixed Materials
  • Composition Control
  • Properties Control
Disciplines
  • Chemistry
  • Earth Science

Abstract

Abstract The parallel obtention of microgravimetric, electrochemical, electrical and charge-storage empirical kinetics for polypyrole and polythiophene electrogeneration from different systems are analysed, together with other parallel electrochemical and chemical studies. Each system formed by a monomer, a solvent, a salt and an electrode material develops, at least, simultaneous electrochemical, chemical and degradation (passivation) processes during the electrogeneration. The final result is a polymer film formed by a mixed material: an electroactive part and passive lakes. The properties of the film depend on the material composition, which is related to the chemical and electrical conditions of synthesis. Models of interfacial reactions are developed for each system and tailored films are optimised from the kinetic and mechanistic models. The electrogeneration of conducting polymers is concluded to be a fast method, through a complex (and flexible) mechanism to obtain mixed and tailored materials.

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