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Keywords:

  • graphene;
  • water permeation;
  • thermo-electrostatic bonding;
  • SiO2 substrate
Thumbnail image of graphical abstract

To investigate the water permeation between graphene and SiO2, CVD-grown and exfoliated graphene samples are used, and 3× strongly-bonded samples are prepared for comparison. It is found that the strongly-bonded graphene can be used to significantly reduce water permeation and improve device durability.