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Two pairs of β,β′-didodecyl substituted quinquethiophenes linked via a tri- (3) and tetramethylene spacer (4) at their α-positions have been synthesized and their electrochemical behavior investigated with cyclic voltammetry in solution and in solid films. Both compounds can be charged to a tetracation in two two-electron transfer steps, which are reversible at room temperature but become partially...
The electrochemical properties of the monomers 5-vinyl-2,2′:5′,2″-terthiophene and 5-ethyl-5″-vinyl-2,2′:5′,2″-terthiophene and their electropolymerisation products have been studied by cyclic voltammetry, quartz microbalance and in situ conductivity measurements. Experimental parameters like scan rate or temperature have been varied. As the comparison of both substances shows, they do not polymerise...
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