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Conducting polymer growth in porous sol-gel thin films: Formation of nanoelectrode arrays and mediated electron transfer to sequestered macromolecules
University of Arizona.
Department of Chemistry, University of Arizona, Tucson, AZ 85721.
Department of Chemistry, University of Arizona, Tucson, AZ 85721.
2005 (English)In: Chemistry of Materials, ISSN 0897-4756, E-ISSN 1520-5002, Vol. 17, no 14, 3652-3660 p.Article in journal (Refereed) Published
Abstract [en]

The templated electrochemical growth of poly(3,4-ethylenedioxythiophene) (PEDOT) into porous sol-gel (PSG) films and PEDOT-mediated electron transfer to ferrocene-modified dendrimers encapsulated within these sol-gel matrices, were analyzed. The conditions needed to optimize PEDOT electropolymerization within the PSG films such that barely emergent PEDOT features protrude from a PSG thin film surface, were also described. It was observed that oxidation/reduction of the encapsulated Fc-PAMAM units could be voltammetrically detected after PEDOT growth into the sol-gel film. The results show that up to ca. 20% of these Fc-PAMAM units became electrochemically active, with high rates of electron transfer, when EDTM was conjugated to the Fc-PAMAM dendrimer.

Place, publisher, year, edition, pages
2005. Vol. 17, no 14, 3652-3660 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-50461DOI: 10.1021/cm050481rOAI: diva2:271357
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2010-05-18

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Doherty, Walter J
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