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À propos de : Electrochemically Nanopatterned Conducting Coronas of a ConjugatedPolymer Precursor: SPM Parameters and Polymer Composition        

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  • Electrochemically Nanopatterned Conducting Coronas of a ConjugatedPolymer Precursor: SPM Parameters and Polymer Composition
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  • Here we describe the formation of precisely controlled corona-type nanopatterns on electroactive polymer precursorfilms using scanning probe microscopy (SPM) methods. The binary composition of electroactive groups in the polymertriggers the formation of corona-type nanopatterns at particular voltages and tip writing speeds through the electrooxidationof the polymer precursor film. Various parameters such as tip speed and applied bias were explored in the nanopatterningprocess, and the formation of a conductive nanopattern was investigated using conducting atomic force microscopy(C-AFM). The formation of the nanopattern was attributed to the flow of electrons from the AFM tip to the polymerfilm in a controlled electric field distribution. We also report a new method to distinguish the polymer compositionand distribution of a polymer blend film by characterizing biasing differences in the patterning of a polymer film.
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