A growth mechanism for carbon nanotubes using metal oxides as catalysts

A growth mechanism for carbon nanotubes using metal oxides as catalysts Metal oxides have only recently begun to be used as catalysts for the growth of carbon nanotubes. Here, we propose a new model for the growth of carbon nanotubes, based on the intra‐granular charge transfer transition and the lattice strain of the catalyst nanoparticles. This is supported by results obtained from the doped metal oxides like samarium doped zinc oxide (SmZnO) and terbium doped zinc oxide (TbZnO). The intragranular charge transfer transition is believed to be responsible for the dissociation of the hydrocarbon molecules. The lattice strain of the catalyst nanoparticles appears to be responsible for the diffusion of carbon atoms through the catalyst particles. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Surface and Interface Analysis Wiley

A growth mechanism for carbon nanotubes using metal oxides as catalysts

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Publisher
Wiley
Copyright
Copyright © 2018 John Wiley & Sons, Ltd.
ISSN
0142-2421
eISSN
1096-9918
D.O.I.
10.1002/sia.6469
Publisher site
See Article on Publisher Site

Abstract

Metal oxides have only recently begun to be used as catalysts for the growth of carbon nanotubes. Here, we propose a new model for the growth of carbon nanotubes, based on the intra‐granular charge transfer transition and the lattice strain of the catalyst nanoparticles. This is supported by results obtained from the doped metal oxides like samarium doped zinc oxide (SmZnO) and terbium doped zinc oxide (TbZnO). The intragranular charge transfer transition is believed to be responsible for the dissociation of the hydrocarbon molecules. The lattice strain of the catalyst nanoparticles appears to be responsible for the diffusion of carbon atoms through the catalyst particles.

Journal

Surface and Interface AnalysisWiley

Published: Jan 1, 2018

Keywords: ; ; ; ; ;

References

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