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Pure Appl. Chem., 2000, Vol. 72, No. 1-2, pp. 67-72

Redox-active polymer-nanoparticle hybrid materials

Keith J. Watson, Jin Zhu, SonBinh T. Nguyen* and Chad A. Mirkin

Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113, USA

Abstract: Ring-opening metathesis polymerization was used to modify organic soluble gold nanoparticles with redox-active polymers. A gel-permeation chromatography study revealed that each nanoparticle is modified with approximately 11 polymer chains. Electrochemical studies of nanoparticles modified with block copolymers of two different redox-active groups revealed that each monomer is electrochemically accessible, while no current rectification was observed.