Relaxation kinetics in thiophene/3‐alkylthiophene random copolymers

Abstract

The relaxation kinetics of several thiophene/3-alkylthiophene (3-methylthiophene and 3octylthiophene) random copolymers have been investigated using the cyclic voltammetric method. The first voltammograms, obtained after the polymer films were maintained at potentials corresponding to their neutral state for various periods of time, have been analyzed according to the procedure developed by Odin et al. Considerable suppression of the relaxation kinetics was achieved in copolymers containing thiophene rings substituted with longer alkyl groups (octyl).

Structural and Conformational Chemistry from Electrochemical Molecular Machines. Replicating Biological Functions. A Review

“…They contradict the expected results from the existing electrochemical models because slower oxidation rates were attained from deeper reduced initial states . Those unusual electrochemical responses were attributed to structural memory effects, relaxation processes,,, hysteresis effects,, or first cycle effect,, being considered as “anomalous” electrochemical responses ,,,. Similar singular electrochemical responses were also attained from carbon nanotubes, graphenes, or bipyridyl bilayers .…”

Poly(terthiophene)s from copolymer precursors via solid‐state oxidative conversion

“…The first approach involves the synthesis of conventional, random copolymers having pendant electroactive groups followed by their solution electropolymerization in the presence of the same or a different electroactive group 17–19. The second approach involves the simultaneous electropolymerization of different electroactive monomers from solution 20, 21. Third, transition metal catalyzed couplings and Grignard metathesis have also been used for polymerizations 22.…”