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Keywords:

  • graphene;
  • FeCl3;
  • transparent conductors;
  • electron transport;
  • optical transparency
Thumbnail image of graphical abstract

Transparent conductors based on few-layer graphene (FLG) intercalated with ferric chloride (FeCl3) have an outstandingly low sheet resistance and high optical transparency. FeCl3-FLGs outperform the current limit of transparent conductors such as indium tin oxide, carbon-nanotube films, and doped graphene materials. This makes FeCl3-FLG materials the best transparent conductor for optoelectronic devices.