Importance

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Abstract

To efficiently and easily manufacture carbon nanotubes oriented in one direction. A method for manufacturing carbon nanotubes is characterized by including the steps of: bringing crystalline metal oxide particles into contact with a solution containing metal ions serving as a catalyst for forming carbon nanotubes, thereby attaching the catalyst to the surfaces of the metal oxide particles; subjecting the surfaces of the metal oxide particles to which the catalyst is attached to a CVD method or a combustion method, thereby forming carbon nanotubes on the surface of each of the metal oxide particles and resulting in producing metal oxide particles each supporting carbon nanotubes grown substantially perpendicularly to the surface of the metal oxide particle and in parallel with each other; and removing metal oxide particles from the metal oxide particles supporting carbon nanotubes.

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First Claim