Macromolecular Research

The Polymer Society of Korea (한국고분자학회)
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Preparation of Polymer Composites Containing Gold Nanonetworks Using an Amphiphilic Poly(oxyethylene) Brush

  • Cha, Sang-Ho (Department of Chemical and Biological Engineering, Seoul National University) ;
  • Kim, Jong-Uk (Department of Chemical and Biological Engineering, Seoul National University) ;
  • Lee, Jong-Chan (Department of Chemical and Biological Engineering, Seoul National University)
  • Published : 2008.12.31
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Abstract

We synthesized gold nanonetwork using the amphiphilic polymer brush, poly(oxyethylene) containing decyltri(oxyethylene)thiomethyl ($C_{10}H_{21}(OCH_2CH_2)_3SCH_2-$) side groups, as a stabilizer and/or a template. When tetrabutylammonium borohydride solution in THF was added to a mixture solution of the polymer and $LiAuCl_4$ in THF, 0-D gold nanomaterials were obtained. However, when an aqueous solution of sodium borohydride was added, gold nanonetworks were synthesized. The composites composed of polymer/0-D gold nanomaterials and polymer/gold nanonetworks showed electrical conductivities of ${\sim}10^{-9}$ and ${\sim}10^{-3}S/cm$, respectively, which indicated that the gold nanonetworks increased the electrical conductivity.

Keywords

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