Electrodeposition and Characterisation of Polypyrroles Containing Sulfonated Carbon Nanotubes
Using facile diazonium chemistry, sulfonate groups have been covalently attached to single wall carbon nanotubes. The resulting sulfonated tubes form a stable aqueous dispersion in the presence of pyrrole monomer. Subsequent electropolymerisation results in a conductive, electroactive
polypyrrole doped with sulfonated tubes being formed at unusually low potentials. The potential of this material as a host matrix for biomolecules has been demonstrated by entrapping horse-radish peroxidase directly in the polypyrrole during composite formation.
Keywords: CONDUCTING POLYMER; FUNCTIONALISED CARBON NANOTUBES; HORSE-RADISH PEROXIDASE; POLYPYRROLE; SINGLE WALL CARBON NANOTUBES
Document Type: Research Article
Publication date: 01 October 2007
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