Communication

Double Wall Carbon Nanotubes with an Inner Diameter of 0.4 nm

  1. L. Ci,
  2. Z. Zhou,
  3. D. Tang,
  4. X. Yan,
  5. Y. Liang,
  6. D. Liu,
  7. H. Yuan,
  8. W. Zhou,
  9. G. Wang,
  10. S. Xie

Article first published online: 16 JUN 2003

DOI: 10.1002/cvde.200304142

Issue

Chemical Vapor Deposition

Chemical Vapor Deposition

Volume 9, Issue 3, pages 119–121, June, 2003

Additional Information

How to Cite

Ci, L., Zhou, Z., Tang, D., Yan, X., Liang, Y., Liu, D., Yuan, H., Zhou, W., Wang, G. and Xie, S. (2003), Double Wall Carbon Nanotubes with an Inner Diameter of 0.4 nm. Chemical Vapor Deposition, 9: 119–121. doi: 10.1002/cvde.200304142

Author Information

  1. Institute of Physics, Center for Condensed Matter Physics, Chinese Academy of Science, Beijing 100080, P.R. China

Publication History

  1. Issue published online: 16 JUN 2003
  2. Article first published online: 16 JUN 2003
  3. Manuscript Accepted: 18 JUL 2002
  4. Manuscript Received: 5 JUN 2002

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Keywords:

  • Nanotubes, carbon;
  • Nanotubes, double walled;
  • Raman scattering

Selective preparation of double wall carbon nanotubes (DWCNTs) is achieved by a floating iron catalyst CVD method with sufur promotion. SEM shows that the product consists of entangled nanotubes. HRTEM and Raman scattering have revealed that the smallest inner diameter of as-grown carbon nanotubes is 0.4 nm (see Figure). The smallest diameter is found to be produced at the low carbon partial pressure with low sulfur content.

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