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Issue 28, 2011
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Electrochemistry-controlled metal ion release from silicone elastomer nanocomposites through combination of different metal nanoparticles

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Abstract

Electrochemistry-controlled metal ion release is achieved using nanoparticle mixtures embedded into a silicone matrix. Synergistic metal ion release from silicone matrix filled with silver and copper nanoparticles as well as silver and gold nanoparticles embedded into silicone is investigated in terms of qualitative and quantitative influences. Results are compared to nanoparticle composites with only one metal. The mechanism enhancing the release of the less noble metal nanoparticle is based on the ion-mediated electrochemistry rather than on contact corrosion of both elements. A retardation as well as an enhancement of metal ion release is observed allowing a time- and rate-controlled design of bioactive nanocomposites.

Graphical abstract: Electrochemistry-controlled metal ion release from silicone elastomer nanocomposites through combination of different metal nanoparticles

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Publication details

The article was received on 21 Dec 2010, accepted on 24 Feb 2011 and first published on 17 Mar 2011


Article type: Paper
DOI: 10.1039/C0JM04480F
Citation: J. Mater. Chem., 2011,21, 10287-10289
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    Electrochemistry-controlled metal ion release from silicone elastomer nanocomposites through combination of different metal nanoparticles

    A. Hahn, S. Günther, P. Wagener and S. Barcikowski, J. Mater. Chem., 2011, 21, 10287
    DOI: 10.1039/C0JM04480F

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