Article

Catalyst and chirality dependent growth of carbon nanotubes determined through nano-test tube chemistry.

Advanced Technology Institute, University of Surrey, Guildford, GU2 7XH, UK.
Advanced Materials (impact factor: 13.88). 02/2013; 22(33):3685-9. DOI:10.1002/adma.201001211 pp.3685-9
Source: PubMed

ABSTRACT The interior of carbon nanotubes, provide a homogeneous, contaminant-free environment in which to perform nanoreactions, hence the term nano-test tubes. Here, routes for the controlled growth of carbon nanotubes with defined chiral indices are presented within the interior of single-walled carbon nanotubes upon the encapsulation of Pt and Fe catalysts, plus the carbon source in controlled proportions. Factors affecting the growth (e.g. temperature) are examined experimentally.

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10 Nov 2012

Keywords

carbon nanotubes
 
carbon source
 
chiral indices
 
contaminant-free environment
 
controlled growth
 
Fe catalysts
 
homogeneous
 
proportions
 
single-walled carbon nanotubes
 
term nano-test tubes