Formation and electronic conductivity of polyaniline
- 1 March 1987
- journal article
- research article
- Published by Wiley in Makromolekulare Chemie. Macromolecular Symposia
- Vol. 8 (1) , 143-157
- https://doi.org/10.1002/masy.19870080112
Abstract
Potentiostatic measurements of polyaniline (PANI) formation show the growth of a metallic conducting phase, probably growing after instantaneous nucleation by a semisphere mechanism. The double layer capacity proves the formation of a metallic phase at first, but in a later stage the surface is covered by any dielectric reaction product forming an interface of a few nm thickness. Various measurements of electron transfer reactions show the very good conductivity of the PANI film within a potential range of 0 to 1 V. A large nucleation overvoltage hinders the cathodic metal deposition. Oxidation at higher potentials causes an overoxidation with the formation of an insulating film.Keywords
This publication has 12 references indexed in Scilit:
- Nucleation and growth of anodic oxide filmsPublished by Elsevier ,2001
- Electrochemical behaviour, chronocoulometric and kinetic study of the redox mechanism of polyaniline depositsJournal of Electroanalytical Chemistry and Interfacial Electrochemistry, 1986
- Electrochemical reactions concerned with electrochromism of polyaniline film-coated electrodesJournal of Electroanalytical Chemistry and Interfacial Electrochemistry, 1984
- IR absorption spectroscopic identification of electroactive and electroinactive polyaniline films prepared by the electrochemical polymerization of anilineJournal of Electroanalytical Chemistry and Interfacial Electrochemistry, 1984
- Enhanced Stability of Photoelectrodes with Electrogenerated Polyaniline FilmsJournal of the Electrochemical Society, 1982
- Inhibitors of passive corrosion – application of a new test with thin oxide filmsMaterials and Corrosion, 1981
- Electroactive polyaniline filmsJournal of Electroanalytical Chemistry and Interfacial Electrochemistry, 1980
- Zur anodischen Oxydation des Anilins in gesättigter NaCl-Lösung. V. Potentiostatische Elektrolyse von Anilin und physikalisch-chemische Eigenschaften des OxydationsproduktesJournal für Praktische Chemie, 1975
- Untersuchungen zur Kinetik der anodischen Oxydation von Anilin in Azetonitril an der rotierenden PlatinelektrodeJournal of Electroanalytical Chemistry and Interfacial Electrochemistry, 1971
- Investigation of the Kinetics and Mechanism of the Anodic Oxidation of Aniline in Aqueous Sulfuric Acid Solution at a Platinum ElectrodeJournal of the American Chemical Society, 1962