Abstract
AbstractThe electrochemical synthesis of poly[(2,2′‐dithienyl)‐5,5′‐diylvinylene tetrafluoroborate] (PDTE/BF4) has been accomplished and provides coppery‐black free‐standing films with a room‐temperature four‐probe conductivity as high as 15 (Ω cm)−1. The conductivity and morphology of the films were found to be strongly dependent on synthetic conditions. The oxidized form of PDTE is not air stable, as evidenced by a rapid, three order of magnitude drop in the conductivity. Optoelectrochemical experiments demonstrate that bipolarons are the main charge‐carrying species in conductive PDTE and allow their evolution to be followed as a function of oxidation.
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