Abstract
The electrochemical and optical fast-switching behavior of a self-doped conducting polymer was investigated by cyclic voltammetry and opto-electrochemical spectroscopy. In comparison with poly(3-hexylthiophene), the self-doped polymer thin film exhibited a reasonable electrochemical response in an acid electrolyte solution, even at fast scan rates. The optical switching phenomenon on the self-doped polymer was observed to take place within about 50 ms, in contrast to polyisothianaphthene which exhibits optical switching within about 500 ms.
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