In the holder for electrochemical measurements, the hand-made carbon paper working electrode was mounted together with the silver-silver chloride reference electrode and the platinum auxiliary electrode. This three-electrode system was immersed in the polymerization solution, and galvanostatic deposition was performed by passing a current of 200 µA for 400 s, corresponding to a charge of 80 mC (Figure and). This corresponds to 830 nmol of oxidized monomers. On this basis we could estimate that 54.5 µg of polymer was deposited on the electrode surface.