Carbon nanotubes on nanoporous alumina: From surface mats to conformal pore filling
Fang, Jinghua, Levchenko, Igor, Han, Zhao, Yick, Samuel, & Ostrikov, Kostya Ken (2014) Carbon nanotubes on nanoporous alumina: From surface mats to conformal pore filling. Nanoscale Research Letters, 9(390).
Control over nucleation and growth of multi-walled carbon nanotubes in the nanochannels of porous alumina membranes by several combinations of posttreatments, namely exposing the membrane top surface to atmospheric plasma jet and application of standard S1813 photoresist as an additional carbon precursor, is demonstrated. The nanotubes grown after plasma treatment nucleated inside the channels and did not form fibrous mats on the surface. Thus, the nanotube growth mode can be controlled by surface treatment and application of additional precursor, and complex nanotube-based structures can be produced for various applications. A plausible mechanism of nanotube nucleation and growth in the channels is proposed, based on the estimated depth of ion flux penetration into the channels.
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|Item Type:||Journal Article|
|Keywords:||Carbon nanotubes; Alumina template; Plasma treatment|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2014 Fang et al.; licensee Springer.|
|Copyright Statement:||This is an Open Access article distributed under the terms of the Creative Commons
Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction
in any medium, provided the original work is properly credited.
|Deposited On:||27 Oct 2015 03:40|
|Last Modified:||27 Oct 2015 03:40|
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