Study of electrochemical properties of pyrrolidinofullerenes by microelectrode voltammetry

The electrochemical behavior of nine pyrrolidinofullerenes has been investigated by cyclic voltammetry on a gold microdisk electrode. Four reversible reduction peaks and two irreversible reduction peaks are observed for each fullerene derivative. The half-wave potentials of all pyrrolidinofullerenes are more negative than those of C₆₀ itself. The diffusion coefficient of these compounds is measured by their steady-state voltammograms.