Supramolecular phenomena in organic redox films at electrodes: Part I. The methylene blue/leucomethylene blue redox couple at the platinum electrode |
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| Authors: | Vesna Svetličič Vera Žutić Jean Clavilier Jean Chevalet |
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| Institution: | Center for Marine Research Zagreb, “Rudjer Bo?kovi?” Institute, Zagreb Yugoslavia;Laboratoire d''Electrochimie Interfaciale, CNRS, 1 Place Aristide Briand, 92190 Meudon France;Laboratoire d''Electrochimie, UA 430 CNRS, Université P. et M. Curie, Paris France |
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| Abstract: | It is possible to generate conductive multilayer structures by reduction of methylene blue cations at the interface: clean surface of a platinum electrode/1 M aqueous electrolyte solution.The characteristics of the multilayer ordered phase generated in fluoride and nitrate solutions are presented and the mechanism of a fast charge transfer between electrode/organic film and organic film/aqueous solution interfaces is discussed. The conductivity of the film is interpreted by postulating formation of a mixed valence structure with the generation of a cation radical intermediate which is favoured in the solid state at characteristic potentials. |
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| Keywords: | To whom correspondence should be addressed |
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