Covalent and Non-covalent Attachment and Patterning of Polypyrrole at Silicon Surfaces

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Abstract

DNA and alkenyl pyrrole functionalized silicon surfaces allow for the formation of silicon/polypyrrole junctions. These junctions are spatially controlled by photolithography (see Figure) and selective photo-assisted electro-oxidation of pyrrole. This process shows promise for use in the development of molecular-based electronic devices, and could enable the deposition of polypyrrole analogously to metal ions in the formation of metallic wires.

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