Evidence of an Equimolar C2H2-CO2 Reaction in the Synthesis of Carbon Nanotubes

Meeting point: Carbon nanotubes (CNTs) are produced by an equimolar reaction between C2H2 and CO2 (see scheme). CO2 can be introduced as a gas or a carbonate support of the metal particles. When CaCO3 is used, the growth of a nanotube stems from the triple‐point junction, which corresponds to the ar...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2007-01, Vol.46 (3), p.441-444
Main Authors: Magrez, Arnaud, Seo, Jin W., Kuznetsov, Vladimir L., Forró, László
Format: Article
Language:English
Subjects:
carbon
Carbon Dioxide - chemistry
Catalysis
chemical vapor deposition
Ethane - chemistry
heterogeneous catalysis
Microscopy, Electron, Scanning
nanotubes
Nanotubes, Carbon - chemistry
Nanotubes, Carbon - ultrastructure
Temperature
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Summary:Meeting point: Carbon nanotubes (CNTs) are produced by an equimolar reaction between C2H2 and CO2 (see scheme). CO2 can be introduced as a gas or a carbonate support of the metal particles. When CaCO3 is used, the growth of a nanotube stems from the triple‐point junction, which corresponds to the area surrounding the metal support interface where CO2, C2H2, and the support meet.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200603764