Nucleation and aligned growth of multi-wall carbon nanotube films during thermal CVD

Y. Yao; L. K.L. Falk; R. E. Morjan; O. A. Nerushev; E. E.B. Campbell

doi:10.1016/j.carbon.2007.05.020

Nucleation and aligned growth of multi-wall carbon nanotube films during thermal CVD

Y. Yao, L. K.L. Falk, R. E. Morjan, O. A. Nerushev, E. E.B. Campbell

Department of Physics

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

The development during early growth of a multi-wall carbon nanotube film by thermal CVD with acetylene (C₂H₂) and hydrogen at 750 °C has been characterized in detail by cross-section transmission electron microscopy. The studies provide information on the nanotube growth mechanisms and the complex catalyst transformations that are essential for the onset of different growth stages. An initial random growth catalysed by supported particles is followed by aerosol growth of aligned tubes. This results in a two-layered film structure, where a film of aligned nanotubes is lifting up an initially formed nanotube network from the substrate.

Original language	English
Pages (from-to)	2065-2071
Number of pages	7
Journal	Carbon
Volume	45
Issue number	10
DOIs	https://doi.org/10.1016/j.carbon.2007.05.020
State	Published - Sep 2007

Bibliographical note

Funding Information:
Financial support from the Swedish Research Council and the Swedish Foundation for Strategic Research is gratefully acknowledged.

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abstract = "The development during early growth of a multi-wall carbon nanotube film by thermal CVD with acetylene (C2H2) and hydrogen at 750 °C has been characterized in detail by cross-section transmission electron microscopy. The studies provide information on the nanotube growth mechanisms and the complex catalyst transformations that are essential for the onset of different growth stages. An initial random growth catalysed by supported particles is followed by aerosol growth of aligned tubes. This results in a two-layered film structure, where a film of aligned nanotubes is lifting up an initially formed nanotube network from the substrate.",

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AU - Nerushev, O. A.

AU - Campbell, E. E.B.

N1 - Funding Information: Financial support from the Swedish Research Council and the Swedish Foundation for Strategic Research is gratefully acknowledged.

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Nucleation and aligned growth of multi-wall carbon nanotube films during thermal CVD

Abstract

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