Process and apparatus for synthesis of nanotubes
US7374730B2 · kind B2 · utility
25Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2002 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | May 27, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B2202/06
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
The invention relates to a process for formation of carbon nanotubes. The process comprises laser ablation of a bulk metal catalyst within a hydrocarbon solution to produce a feedstock containing metal catalyst nanoparticles. The feedstock is atomizing to form a feedstock aerosol. The aerosol is heated to form naotubes. An apparatus for forming carbon nanotubes is also disclosed. Nanoparticles formed in the feedstock according to the invention can be controlled to achieve a narrow size distribution, which ultimately allows for good control over size and chirality of the nanotubes formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.