New Route to Sulfur-Doped Carbon Composites

  • Author: David Bradley
  • Published: 26 September 2012
  • Copyright: Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
  • Source / Publisher: Chemical Communications/RSC Publishing
thumbnail image: New Route to Sulfur-Doped Carbon Composites

Adding hetero atoms, such as nitrogen, boron and sulfur, to carbon affects its physicochemical properties potentially opening up new applications in electrode materials for catalysis or energy storage and in supercapacitors. Researchers at Chemnitz University of Technology, and colleagues at BASF and IPF Leibniz-Institut für Polymerforschung Dresden, all Germany, have used a thiophene-based twin monomer,  tetra(thiophene-2-ylmethoxy)-silane, to create sulfur-doped carbon composites.

The team adds an acid as a cationic catalyst, which leads to twin polymerizations of the starting material forming a polymer–silica nanocomposite. The self-templating reaction is then converted to a doped carbon nanocomposite by a carbonization process and removal of the silica phase.

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