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Process for producing single wall nanotubes using unsupported metal catalysts and single wall nanotubes produced according to this method

  • US 7,144,564 B2
  • Filed: 09/06/2005
  • Issued: 12/05/2006
  • Est. Priority Date: 08/04/1997
  • Status: Expired due to Fees
First Claim
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1. A method for producing single wall carbon nanotubes comprising the steps of:

  • (a) loading Mo(CO)6 particles into a vaporizer section of a reactor, said reactor including the vaporizer section and a reaction section,(b) heating the reaction section of the reactor to at least 900°

    C., while maintaining the vaporizer section of said reactor at room temperature,(c) providing an argon flow into said reactor,(d) replacing said argon flow with a gas flow comprising 90% CO and 10% H2, and(e) vaporizing said Mo(CO)6 to form single wall carbon nanotubes.

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