Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Cheol Jin Lee0
Date of Patent
May 12, 2009
0Patent Application Number
105505000
Date Filed
March 17, 2004
0Patent Primary Examiner
Patent abstract
A method of massively synthesizing double-walled carbon nanotubes is provided. In the method, catalyst metal particles having a size of a few nanometers are embedded in nano pores of a support material powder. Then, the support material powder embedding the catalyst metal particles is sintered at a temperature of 700-900° C. Then, the support material powder embedding the catalyst metal particles is loaded in a reactor. Thereafter, high purity double-walled carbon nanotubes are formed massively by vaporizing a carbon source solution at a temperature of 700-1100° C. and supplying the vaporized carbon source gas, or by directly supplying a carbon source gas to the reactor.
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