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Keywords:

  • graphene quantum dot;
  • nitrogen plasma;
  • CVD graphene;
  • one-step synthesis
Thumbnail image of graphical abstract

High-quality N-doped graphene quantum sheets are successfully fabricated from as-grown monolayer graphene on Cu using nitrogen plasma, which can be transferred as a film-like layer or easily dispersed in an organic solvent for further optoelectronic or photoelectrochemical applications.