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Deposition Of Conducting Polyaniline Patterns With The Scanning Electrochemical Microscope
Published 1997 · Chemistry
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Conducting polyaniline patterns were deposited on gold, platinum, and carbon surfaces with the use of the scanning electrochemical microscope (SECM). The patterns were deposited in the microreasent mode in which a local pH change caused by proton reduction at the SECM tip allowed deposition to occur at the substrate. The effect of tip and substrate potential, tip-substrate separation, and deposition time were studied in order to produce well-resolved patterns of the desired thickness. Lateral resolution of the deposited polymer was as low as 3 μm. Conductivity of the film was verified by SECM imaging.