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Plasma-controlled adatom delivery and (re)distribution: Enabling uninterrupted, low-temperature growth of ultralong vertically aligned single walled carbon nanotubes

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2 Author(s)
Tam, Eugene ; Plasma Nanoscience, School of Physics, The University of Sydney, Sydney, New South Wales 2006, Australia and CSIRO Materials Science and Engineering, P.O. Box 218, Lindfield, New South Wales 2070, Australia ; Ostrikov, K.

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Large-scale (∼109 atoms) numerical simulations reveal that plasma-controlled dynamic delivery and redistribution of carbon atoms between the substrate and nanotube surfaces enable the growth of ultralong single walled carbon nanotubes (SWCNTs) and explain the common experimental observation of slower growth at advanced stages. It is shown that the plasma-based processes feature up to two orders of magnitude higher growth rates than equivalent neutral-gas systems and are better suited for the SWCNT synthesis at low nanodevice friendly temperatures.

Published in:

Applied Physics Letters  (Volume:93 ,  Issue: 26 )

Date of Publication:

Dec 2008

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