M. Lapkowski, J. Zak, M. Kolodziej-Sadlok
Mar 1, 2001
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Journal
Synthetic Metals
Abstract
Electrochemical properties of regioregular oligomers of 3-octylthiophene deposited as a film covering gold or platinum electrode are presented. In situ measurements of conductivity were carried out during oxidation process. These measurements revealed that tetramer is subject of consecutive dimerization reactions whereas hexamer produces a stable cation-radical. AFM in situ observations demonstrate a life of the oligomer film driven by phase transitions due to conformational changes of molecules stimulated by applied potential.