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J Phys Chem B. 2005 Jul 14;109(27):13205-9. doi: 10.1021/jp051459o.

Microscopy and spectroscopy of interactions between metallopolymers and carbon nanotubes.

The journal of physical chemistry. B

Fiona Frehill, Marc in het Panhuis, Nigel A Young, William Henry, Johan Hjelm, Johannes G Vos

Affiliations

  1. National Centre for Sensor Research, School of Chemical Sciences, Dublin City University, Dublin 9, Ireland.

PMID: 16852646 DOI: 10.1021/jp051459o

Abstract

The interaction between redox polymers, based on Ru- or Os-bis(2,2'-bipyridyl)-poly(4-vinylpyridine), and carbon nanotubes was investigated by spectroscopic and microscopic techniques. These metallopolymers were found to be excellent dispersants for nanotubes, as a result of a good wetting interaction between polymer and nanotubes. The results obtained show that well-coated individual nanotubes can be obtained. In addition, interactions between nanotubes and polymers did not significantly affect the electronic and electrochemical properties of the metallopolymers. On the basis of the electrochemical properties of the polymers this opens the possibility of adding functionality through interaction with nanotubes, either as redox active materials with enhanced mechanical properties or by using these modified nanotubes as nanosized electrochemical sensors.

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