Investigation on Field Electron Emission from Carbon Nanotubes on Nanocrystalline Diamond Films

K.J. Liao; W.L. Wang; C. Cai; J.W. Lu; C.G. Hu

doi:10.4028/www.scientific.net/JMNM.23.35

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Investigation on Field Electron Emission from Carbon Nanotubes on Nanocrystalline Diamond Films

Abstract:

The electron field emission from carbon nanotubes on nanocrystalline diamond films was investigated. Carbon nanotubes and nano-diamond films were deposited on Si substrates by hot filament chemical vapor deposition. The experimental results showed that the carbon nanotubes on nanostructured films exhibited a lower value of the turn-on electric field than those of carbon nanotubes and nano-diamond. It was found that the turn-on field of nanotubes on nano-diamond was about 0.9V/μm, which was lower than those of carbon nanotubes and nano-diamond.