Method and apparatus for producing single-wall carbon nanotubes

Details Method and apparatus for producing single-wall carbon nanotubes Method and apparatus for producing single-wall carbon nanotubes

C - Chemistry, Metallurgy

01

B

C01B 31/02 (2006.01)

Patent

CA 2505996

The present invention provides a process for the manufacture of carbon nanostructures, the carbon nanostructures being selected from carbon nanotubes and carbon nano-onions. The method comprises the steps of injecting a carbon- containing gas into a plasma flame generated from a plasma forming gas to provide atomic carbon, which in the presence of in situ generated nanometer sized metal catalyst particles that act as nucleation points for growth of carbon nanostructures, produce the carbon nanostructures, and collecting the carbon nanostructures.

L'invention concerne un procédé de fabrication de nanostructures de carbone, ces dernières étant choisies parmi les nanotubes de carbone et les <= nano-oignons >= de carbone. Les étapes de ce procédé consistent à injecter un gaz carboné dans un jet de plasma généré à partir d'un gaz plasma afin de produire du carbone atomique qui, en présence de particules de catalyseur métallique d'échelle nanométrique générées in situ et agissant comme points de nucléation permettant la croissance des nanostructures de carbone, entraîne la production des nanostructures de carbone, et à collecter ces nanostructures de carbone.

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