Abstract
A highly conducting polyvinylchloride (PVC) / polypyrrole (PPy) alloy films can be prepared by the electrochemical polymerization of pyrrole on a PVC coated electrode. When the electrode surface is fabricated to have desired conductive patterns, PPy is alloyed exclusively in the PVC portions corresponding to the electrode patterns. This process has revealed to be very useful to realize a highly anisotropic conductivity in a polymer film. The grating patterns provided one-dimensional conductivity, and circular dots patterns gave the PVC films a conductivity in a film thickness direction. A highly optical transparency was also obtained by the use of small dots patterns with large gaps. Anisotropic conductivity of neat PVC/PPy alloy films as well as the patterned films was studied.
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