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Keywords:

  • carbon;
  • composites;
  • nanowires;
  • plasma chemistry;
  • platinum
Thumbnail image of graphical abstract

Plasma increases activity: A one-step synthesis of Pt–C nanowire composites using a plasma co-deposition method is reported. Electrodes with a very low Pt loading can be obtained. Pt particles with sizes ranging from 1 to 2 nm are decorating the columnar carbon nanostructures because of strong interactions. The composite microstructure is responsible for a very high metal utilization rate as exemplified by reactions occurring in fuel cell electrodes.