Method for preparing single layer carbon nano-tube

Details Method for preparing single layer carbon nano-tube Method for preparing single layer carbon nano-tube

1999-03-09

2000-11-21

Mayekar, Kishor

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

423445B, B01J 1908

Patent

active

061497754

ABSTRACT:
There is provided a method for preparing a single layer carbon nano-tube stably and in high preparation efficiency. Helium is introduced from a gas inlet 19 while exhausting inside a vacuum chamber 11 by means of a rotary pump 12 to prepare an atmosphere of rare gas. DC arc discharge is established between a metal-added carbon electrode to which a single metal is added 13 and a metal-added carbon electrode to which a single metal the kind of which is different from that of the former metal is added 14 by the use of a discharge power source apparatus 17. Carbon and metals are evaporated from both electrodes, and the metals are alloyed to act as a catalyst to the carbon and the single layer carbon nano-tube is prepared.

REFERENCES:
patent: 5830326 (1998-11-01), Ijima
Chemical Abstract 1996: 24459 (no month available).

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