Substrate-site selective growth of aligned carbon nanotubes

Zhang, Z. J.; Zhang, Z.J.; Wei, B. Q.; Wei, B.Q.; Ramanath, G.; Ajayan, P. M.; Ajayan, P.M.
December 2000
Applied Physics Letters;12/4/2000, Vol. 77 Issue 23
Academic Journal
We report highly substrate-site selective growth of carbon nanotubes by chemical vapor deposition from precursors of ferrocene and xylene mixtures. The technique allows us to grow well-aligned multiwalled carbon nanotubes preferentially on the SiO[sub 2] regions of patterned SiO[sub 2]/Si substrates prepared by conventional lithography. This eliminates the catalyst predeposition step in the fabrication process. This simple approach may also be applied to build large-scale networks of organized nanotubes on planar substrates. © 2000 American Institute of Physics.


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