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Keywords:

  • graphene;
  • hybrid materials;
  • vertically aligned carbon nanotubes;
  • optical array;
  • grating
Thumbnail image of graphical abstract

Graphene/carbon nanotube (CNT) hybrid structures are fabricated for use as optical arrays. Vertically aligned CNTs are directly synthesized on a graphene/quartz substrate using plasma-enhanced chemical vapor deposition (PECVD). Graphene preserves the transparency and resistance during CNT growth. Highly aligned single-walled CNTs show a better performance for the diffraction intensity.