Abstract
The electrochemistry of tetrathiafulvalene (TTF) in an ambient temperature chloroaluminate molten salt composed of 1‐ethyl‐3‐methylimidazolium chloride mixed with has been examined. In both basic and acidic melts TTF is oxidized in two consecutive, one‐electron steps to TTF+ and then to TTF2+. In basic melts, neutral TTF is stable and its oxidations are well‐behaved on the voltammetric time scale. TTF2+ is adsorbed at a glassy carbon working electrode in basic melts. Constant current electrolysis of TTF to TTF+ at a Pt electrode in basic melt produces purple crystals which appear to be electronically conductive. In acidic melts , present as an impurity, oxidizes TTF to TTF+. Diffusion coefficient measurements by pulse voltammetry suggest that TTF forms a slowly diffusing adduct in acidic melts.
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