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|Title:||Electropolymerized Polythiophene Layer Extracted from the Interface Between Two Immiscible Electrolyte Solutions: Current-Time Ananlysis|
|Authors:||VIGNALI MARINKA; EDWARDS ROBERT; SERANTONI MARINA; CUNNANE VINCENT|
|Citation:||JOURNAL OF ELECTROANALYTICAL CHEMISTRY vol. 591 no. 1 p. 59-68|
|Publisher:||ELSEVIER SCIENCE SA|
|Type:||Articles in periodicals and books|
|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 Directorate:||Sustainable Resources|
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