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Keywords:

  • carbon nanotubes;
  • catalyst nanoparticles;
  • chemical vapor deposition;
  • dip-pen nanolithography
Thumbnail image of graphical abstract

Carbon nanotubes are fabricated using chemical vapor deposition at predetermined locations by patterning catalyst directly on a substrate with nanometer-scale precision using dip-pen nanolithography with multipen cantilevers (see image). The development of new molecular inks for the deposition of the precursor catalyst results in a high yield of isolated carbon nanotubes, ideal for subsequent device fabrication.