Method for producing single walled carbon nanotubes
US7357907B2 · kind B2 · utility
11Cited by
59References
24Claims
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Key dates
| Filing date | Oct 20, 2003 |
| Grant date | Apr 15, 2008 |
| Priority date | — |
| Expiry date | Aug 10, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/843
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
A catalyst composition and method of use of the catalyst composition for producing single-walled carbon nanotubes (SWNTs). The catalyst is cobalt (Co) and molybdenum (Mo) on a silica support. The Mo occurs primarily as dispersed Mo oxide clusters on the support while the Co is primarily in an octahedral configuration in a CoMoO4-like phase disposed on the Mo oxide clusters. In the method, the catalyst is used and the process conditions manipulated in such a manner as to enable the diameters of the SWNTs to be substantially controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.