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Conducting polymer ...
Conducting polymer growth in porous sol-gel thin films : Formation of nanoelectrode arrays and mediated electron transfer to sequestered macromolecules
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- Doherty, Walter J (författare)
- University of Arizona
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- Armstrong, N.R. (författare)
- Department of Chemistry, University of Arizona, Tucson, AZ 85721
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- Saavedra, S.S. (författare)
- Department of Chemistry, University of Arizona, Tucson, AZ 85721
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(creator_code:org_t)
- 2005-06-14
- 2005
- Engelska.
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Ingår i: Chemistry of Materials. - : American Chemical Society (ACS). - 0897-4756 .- 1520-5002. ; 17:14, s. 3652-3660
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- 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.
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- TECHNOLOGY
- TEKNIKVETENSKAP
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