Title: Electropolymerized Polythiophene Layer Extracted from the Interface Between Two Immiscible Electrolyte Solutions: Current-Time Ananlysis
Authors: VIGNALI MARINKAEDWARDS ROBERTSERANTONI MARINACUNNANE VINCENT
Citation: JOURNAL OF ELECTROANALYTICAL CHEMISTRY vol. 591 no. 1 p. 59-68
Publisher: ELSEVIER SCIENCE SA
Publication Year: 2006
JRC N°: JRC35980
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC35980
Type: Articles in Journals
Abstract: Polythiophene was formed by electropolymerization at the interface between two immiscible electrolyte solutions, using terthiophene as the starting monomer in 1,2-dichloroethane. The water phase contained a redox couple to allow removal of electrons through the interface. For the first time, a layer of polythiophene was produced which was strong enough to extract. The mechanism of electropolymerization was found to be similar to that in the electrodeposition of polythiophene on metals: progressive nucleation and 2D growth precedes 3D growth, ascribed to precipitation of oligomers from solution. The polymer extracted was found to be partially oxidized (irreversibly doped) to a conductive state, and stable in air.
JRC Institute:Institute for Environment and Sustainability

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