| 摘要 |
The present invention is to provide a process for the preparation of carbon nanotubes or nanofibers, which comprises introducing in a gaseous phase a colloidal solution of matal nanoparticles optionally containing a surfactant together with an optional carbon source into a heated reactor, and carbon nanotubes or nanofibers thus prepared. According to the present invention, t he shape and structure of carbon nanotubes or nanofibers can be easily controlled, the carbon nanotubes or nanofibers can be continuously produce o n a large scale, the apparatus and the process for the preparation of nanotube s or nanofibers are simplified, and carbon nanotubes or nanofibers having various shapes, structures and properties can be easily and cheaply prepared . Further, the process of the present invention is highly reproducible and favorable in industry.
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