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PREPARATION OF LARGE AMOUNTS OF CARBON NANOTUBES IN HYDROGEN ATMOSPHERE BY ARC-DISCHARGE

WANG MIAO LI ZHEN-HUA LU YANG CHEN XIAO-HUA CHEN ZHONG-CAI QI ZHONG-FU LI WEN-ZHU

PREPARATION OF LARGE AMOUNTS OF CARBON NANOTUBES IN HYDROGEN ATMOSPHERE BY ARC-DISCHARGE

WANG MIAO, LI ZHEN-HUA, LU YANG, CHEN XIAO-HUA, CHEN ZHONG-CAI, QI ZHONG-FU, LI WEN-ZHU
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Publishing process
  • Received Date:  05 November 1999
  • Accepted Date:  08 December 1999
  • Published Online:  05 March 2000

PREPARATION OF LARGE AMOUNTS OF CARBON NANOTUBES IN HYDROGEN ATMOSPHERE BY ARC-DISCHARGE

  • 1. (1)浙江大学力学系,杭州 310027; (2)浙江大学物理系,杭州 310027

Abstract: Making use of graphite as electrode,we have prepared carbon nanotubes by the direct current arc-discharge method.The experimental results indicate that the carbon nanotubes are generated on the front-end surface and within the carbon accretion on the cathode.Using SEM adn TEM,we find no significant difference for the shapes and the structures of the generated carbon nanotubes when the pressure and the direct arc-current change.Under the pressure of hydrogen gas 11999Pa and direct arc-current 60A,we obtain a large number of straight and long carbon nanotubes with uniform calibers.

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