Nucleation and growth of carbon nanotubes in a mechano-thermal process

Chen, Ying, Conway, M.J., Fitzgerald, J.D., Williams, J.S. and Chadderton, L.T. 2004, Nucleation and growth of carbon nanotubes in a mechano-thermal process, Carbon, vol. 42, no. 8-9, pp. 1543-1548, doi: 10.1016/j.carbon.2004.02.003.

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Title Nucleation and growth of carbon nanotubes in a mechano-thermal process
Author(s) Chen, YingORCID iD for Chen, Ying
Conway, M.J.
Fitzgerald, J.D.
Williams, J.S.
Chadderton, L.T.
Journal name Carbon
Volume number 42
Issue number 8-9
Start page 1543
End page 1548
Publisher Elsevier Ltd
Place of publication New York, N.Y.
Publication date 2004
ISSN 0008-6223
Keyword(s) carbon nanotubes
Summary Separate nucleation and growth processes of carbon nanotubes were found in a mechano-thermal method in which carbon nanotubes are produced by first mechanical milling of graphite powder at room temperature and subsequent thermal annealing up to 1400 °C. The ball-milled graphite contains nucleation structures (nanosized metal particles and deformed (0 0 2) layers containing pentagons), and disordered carbon as a free carbon atom source. The subsequent annealing activates the growth of two types of multi-walled nanotubes in the absence of carbon vapor. Thin nanotubes (diameter <20 nm) are formed via crystallization of the disordered carbon with the preferred formation of the (0 0 2) basal planes. Thick nanotubes (diameter >20 nm) are formed through a metal catalytic solution–precipitation process (solid–liquid–solid). In both cases, carbon nanotubes grew out from disordered carbon particles with closed tips.
Notes Available online 16 March 2004
Language eng
DOI 10.1016/j.carbon.2004.02.003
Field of Research 100706 Nanofabrication, Growth and Self Assembly
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2004, Elsevier Ltd
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Document type: Journal Article
Collections: Institute for Technology Research and Innovation
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