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Keywords:

  • graphene;
  • carbon nanotube;
  • templated growth;
  • covalent bonding;
  • mechanical strength
Thumbnail image of graphical abstract

A template-assisted method that enables the growth of covalently bonded three-dimensional carbon nanotubes (CNTs) originating from graphene at a large scale is demonstrated. Atomic force microscopy-based mechanical tests show that the covalently bonded CNT structure can effectively distribute external loading throughout the network to improve the mechanical strength of the material.