Growth Kinetics of Wall-Number Controlled Carbon Nanotube Arrays

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We present a simple model for the growth and termination of carbon nanotube (CNT) arrays. This model was developed by modifying several submodels and provides a comprehensive predictive tool for the CNT growth process as a function of CNT wall number. Wall number, diameter, and areal density-controlled CNT arrays were grown on a reduced graphene film by combining block copolymer lithography and plasmaenhanced chemical vapor deposition (PECVD) method. The number of carbonaceous platelets required for the termination of CNT growth process was measured by high-resolution transmission electron microscopy (HRTEM), and the effective exposed catalyst surface area was measured by high magnification scanning electron microscopy (SEM). A parametric study showed that our simple kinetic model successfully predicted the kinetics of wall number-dependent CNT growth and could be used to optimize the PECVD process for CNT production.
Publisher
American Chemical Society
Issue Date
2010-02-05
Citation

Journal of physical chemistry C, Vol.114, No.8, pp.3454–3458

ISSN
1932-7447
DOI
10.1021/jp911629j
URI
http://hdl.handle.net/10203/24847
Appears in Collection
MS-Journal Papers(저널논문)

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