Title
Controlling the diameters in large-scale synthesis of single-walled carbon nanotubes by catalytic decomposition of <tex>$CH_{4}$</tex>Controlling the diameters in large-scale synthesis of single-walled carbon nanotubes by catalytic decomposition of <tex>$CH_{4}$</tex>
Author
Faculty/Department
Faculty of Sciences. Chemistry
Faculty of Sciences. Physics
Research group
Department of Chemistry
Electron microscopy for materials research (EMAT)
Structural chemistry group
Publication type
article
Publication
Amsterdam,
Subject
Physics
Chemistry
Source (journal)
Chemical physics letters. - Amsterdam
Volume/pages
398(2004):1-3, p. 276-282
ISSN
0009-2614
ISI
000224720300050
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
High-quality single-walled carbon nanotubes (SWNTs) are synthesized in gram amount on Fe-Mo/MgO catalysts by catalytic decomposition of CH4 in H-2 or N-2. Raman data reveal that the as-prepared SATNTs have a diameter of about 0.74-1.29 nm. It is found that the diameter of the as-prepared SWNTs can be controlled mainly by adjusting the molar ratio of Fe-Mo versus the MgO support. Several other factors that potentially influence the growth of SWNTs have been studied in detail. The experimental results show that the nature of the catalyst determines the diameter of the as-prepared SWNTs. (C) 2004 Elsevier B.V. All rights reserved.
E-info
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