Method of utilizing sol-gel processing in the production of a macroscopic two or three dimensionally ordered array of single wall nonotubes (SWNTs)
US6749712B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 23, 2001 |
| Grant date | Jun 15, 2004 |
| Priority date | — |
| Expiry date | Apr 24, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/848
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for fabricating of macroscopic two or three dimensionally ordered arrays of single wall nanotubes (SWNTs) comprising the following steps: chemically treating purified SWNTs using the sol gel process to add chemically reactive groups to either the tube ends or tube bodies in order to functionalize the SWNTs; suspending the functionalized SWNTs in an appropriate liquid medium such that a colloid is produced; treating the colloid with a chemical or heat to promote coupling of the individual functionalized SWNTs to each other; and heating the coupled SWNTs to evaporate any excess liquid so as to provide a final product comprising an array of covalently bound functionalized SWNTs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.