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Keywords:

  • Single layer graphene;
  • organic thin film transistor;
  • patterning;
  • organic single crystal
Thumbnail image of graphical abstract

Pattern array of CVD-grown single layer graphene (SLG) is demonstrated by using micro-patterned PDMS stamp. These ultrathin SLG electrodes can use as the source and drain for organic field effect transistors. The devices have high hole mobilities exceeding 10 cm2/Vs, high on-off current ratios larger than 107 and a low threshold voltage for switching.