Vivekchand, S. R. C. ; Govindaraj, A. ; Motin Seikh, Md. ; Rao, C. N. R. (2004) New method of purification of carbon nanotubes based on hydrogen treatment Journal of Physical Chemistry B, 108 (22). pp. 6935-6937. ISSN 1520-6106
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Official URL: http://pubs.acs.org/doi/abs/10.1021/jp048737o
Related URL: http://dx.doi.org/10.1021/jp048737o
Abstract
A novel method for the purification of single-walled and multiwalled carbon nanotubes is described. The method involves acid washing followed by hydrogen treatment in the 700-1000°C range. While acid washing dissolves the metal particles, the hydrogen treatment removes amorphous carbon as well as the carbon coating on the metal nanoparticles. The high quality of the nanotubes obtained after purification has been checked by electron microscopy, X-ray diffraction, and spectroscopic methods.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 43496 |
| Deposited On: | 11 Jun 2011 13:55 |
| Last Modified: | 15 Jun 2011 07:06 |
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