Narrow (n,m)-Distribution of Single-Walled Carbon Nanotubes Grown Using a Solid Supported Catalyst
Top Cited Papers
- 21 August 2003
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 125 (37), 11186-11187
- https://doi.org/10.1021/ja036622c
Abstract
Unusually structure-selective growth of single-walled carbon nanotubes (SWNTs) has been attained using a CVD method with a solid supported catalyst. In this method, CO feedstock disproportionates on silica-supported catalytic nanoclusters of Co that are formed in situ from mixed salts of Co and Mo. The nanotube products are analyzed by spectrofluorimetry to reveal distributions resolved at the level of individual (n,m) structures. Two structures, (6,5) and (7,5), together dominate the semiconducting nanotube distribution and comprise more than one-half of that population. The average diameter of produced SWNTs is only 0.81 nm, and a strong propensity is found favoring chiral angles near the armchair limit.Keywords
This publication has 8 references indexed in Scilit:
- Raman Characterization of Single-Walled Nanotubes of Various Diameters Obtained by Catalytic Disproportionation of COJournal of Nanoscience and Nanotechnology, 2003
- Structure-Assigned Optical Spectra of Single-Walled Carbon NanotubesScience, 2002
- Band Gap Fluorescence from Individual Single-Walled Carbon NanotubesScience, 2002
- Relationship between the Structure/Composition of Co–Mo Catalysts and Their Ability to Produce Single-Walled Carbon Nanotubes by CO DisproportionationJournal of Catalysis, 2001
- Synergism of Co and Mo in the catalytic production of single-wall carbon nanotubes by decomposition of COCarbon, 2001
- Controlled production of single-wall carbon nanotubes by catalytic decomposition of CO on bimetallic Co–Mo catalystsChemical Physics Letters, 2000
- Gas-phase catalytic growth of single-walled carbon nanotubes from carbon monoxideChemical Physics Letters, 1999
- Physical Properties of Carbon NanotubesPublished by World Scientific Pub Co Pte Ltd ,1998