Abstract
Two inclusion complexes, i.e. C 60-dimethyl-(β-cyclodextrin) and C 60-[dimethyl-(β-cyclodextrin)] 2, have been prepared by kneading and characterized by UV-vis and IR spectroscopy. Electrochemical behavior of their films has been studied by cyclic voltammetry (CV). The CVs are quite different from those for a pristine C 60 film. The CVs of films of both complexes are similar in a mixed solvent solution of water and acetonitrile (3:2, v/v) containing tetra- n-butylammonium perchlorate as supporting electrolyte. These CVs are characterized by one two-electron electroreduction peak and two one-electron electro-oxidation peaks when the rate is above 0.1 V s −1. The one electroreduction peak of both films splits into two peaks if the potential scan rate is lower than 0.1 V s −1.
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