In situ AFM study of the electrochemical deposition of polybithiophene from propylene carbonate solution

摘要: Abstract Early stages of galvanostatic deposition polybithiophene onto highly oriented pyrolytic graphite (HOPG) from propylene carbonate solution were investigated using electrochemical atomic force microscopy (ECAFM). The polymer film thickness was evaluated in situ surface modification with the AFM tip and found to be proportional grafting charge Q independent current density i range 0.1 mA/cm 2 . first stage formation nuclei an average height ca. 1 nm; continuous formed at ≥0.5 mC/cm Even earliest stages, featured grain structure size 50 nm. presence crystalline phase films demonstrated by X-ray diffraction data.