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Extraction of aqueous gold sols with styrene/2-vinylpyridine block copolymers in toluene

Authors

  • G. Arno Roescher,

    1. University of Twente, Department of Chemical Technology P.O. Box 217, 7500 AE Enschede (The Netherlands)
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  • Prof. Martin Möller

    1. University of Twente, Department of Chemical Technology P.O. Box 217, 7500 AE Enschede (The Netherlands)
    Current affiliation:
    1. University of Ulm, Department of Organic Chemistry III, Macromolecular Chemistry, D-89069 Ulm (Germany)
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  • The authors thank Anna Malin Olsson ind Ruud van Holland for experimental help and Tomasz Kachlicki for!his assistance with the TEM.

Abstract

Polymers containing small noble-metal particles are of interest for catalysis and in the generation of optically tunable composites. The currently used process results in materials which are often difficult to process. A method is presented here for the direct transfer of small gold particles from an aqueous sol into a non-aqueous polymer solution (e.g. a block copolymer, see Figure) facilitating the formation of films.

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