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  Tantalum-oxide catalysed chemical vapour deposition of single- and multi-walled carbon nanotubes

Bayer, B. C., Castellarin-Cudia, C., Blume, R., Steiner, S. A., Ducati, C., Chu, D., et al. (2013). Tantalum-oxide catalysed chemical vapour deposition of single- and multi-walled carbon nanotubes. RSC Advances, 3(12), 4086-4092. doi:10.1039/C3RA23304A.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0010-0CE3-3 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0024-B880-0
Genre: Journal Article

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2013
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RSC
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 Creators:
Bayer, Bernhard Christian1, Author
Castellarin-Cudia, Carla2, 3, Author
Blume, Raoul4, Author           
Steiner, Stephen A.5, Author
Ducati, Caterina6, Author
Chu, Daping1, Author
Goldoni, Andrea3, Author
Knop-Gericke, Axel7, Author           
Schlögl, Robert7, Author           
Cepek, Cinzia2, Author
Robertson, John1, Author
Hofmann, Stephan1, Author
Affiliations:
1University of Cambridge, Department of Engineering, Cambridge, CB3 0FA, UK, ou_persistent22              
2Istituto Officina dei Materiali-CNR, Laboratorio TASC, I-34149 Trieste, Italy, ou_persistent22              
3Sincrotrone Trieste SCpA, I-34149 Trieste, Italy, ou_persistent22              
4Abt. Solarenergieforschung, Helmhotz-Zentrum Berlin, ou_persistent22              
5Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA, ou_persistent22              
66Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, CB2 3QZ, UK, ou_persistent22              
7Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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 Abstract: Ta-oxide thin films are shown to catalyse carbon nanotube growth by chemical vapour deposition. A low film thickness, the nature of the support material (best results with SiO2) and an atmospheric process gas pressure are of key importance for successful nanotube nucleation. Strong material interactions, such as silicide formation, inhibit nanotube growth. In-situ X-ray photoelectron spectroscopy indicates that no catalyst reduction to a metal or carbide occurs during nanotube growth and that the catalytically active phase is the Ta-oxide phase. Such a reductionfree oxide catalyst can be advantageous for integration of nanotubes into electronics.

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Language(s): eng - English
 Dates: 2012-10-112013-01-16
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1039/C3RA23304A
 Degree: -

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Title: RSC Advances
  Abbreviation : RSC Adv.
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: 3 (12) Sequence Number: - Start / End Page: 4086 - 4092 Identifier: ISSN: 2046-2069
CoNE: https://pure.mpg.de/cone/journals/resource/2046-2069