ELECTROCHEMICAL POLYMERIZATION OF THIOPHENE BEARING VARIOUS SILYL SUBSTITUENTS

Electrochemical polymerization of bis(2-thienyl)dimethylsilane (BTMS), 1,2-bis(2-thienyl)tetramethyldisilane (BTMDS), bis(2-thienyl)diphenysilane (BTPS), and 2,5-bis(trimethylsilyl)thiophene (BTMST) was studied. These thiophenes bearing silyl substituents produced conducting polymer films which showed IR spectra, optical absorption spectra, and cyclic voltammograms identical to the film prepared from thiophene. However, SEM photographs showed morphological difference between the films from the silyl-substituted thiophenes and from thiophene.