Nanotech 2009 Vol. 1
Nanotech 2009 Vol. 1
Nanotechnology 2009: Fabrication, Particles, Characterization, MEMS, Electronics and Photonics

Nano Fabrication Chapter 1

Dissymetric metal deposition on carbon nanotubes

Authors: C. Warakulwit, M.-H. Delville, V. Ravaine, J. Limtrakul, A. Kuhn

Affilation: University of Bordeaux, France

Pages: 1 - 4

Keywords: carbon nanotubes, janus particles, electrodeposition

Abstract:
Short carbon nanotubes have been modified selectively on one end with metal using an original bulk technique based on bipolar electrochemistry. A stabilized suspension of nanotubes is introduced in a capillary containing an aqueous metal salt solution and a high electric field is applied to orientate and polarize the individual tubes. During their transport through the capillary under sufficient polarization (30kV) every nanotube will be the site of water oxidation on its one end, and the site of metal reduction on its other end, with the size of the formed metal cluster being proportional to the potential drop along the nanotube. This new approach can be generalized to other nanoobjects in order to create Janus type particles of various composition.

Dissymetric metal deposition on carbon nanotubes

ISBN: 978-1-4398-1782-7
Pages: 702
Hardcopy: $179.95