Nano Archive

New Method of Purification of Carbon Nanotubes Based on Hydrogen Treatment

Vivekchand, S. R. C. and Govindaraj, Achutharao and Seikh, Md. Motin and Rao, C. N. R. (2004) New Method of Purification of Carbon Nanotubes Based on Hydrogen Treatment. THE JOURNAL OF PHYSICAL CHEMISTRY B, 108 (22). pp. 6935-6937.

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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
Subjects:Material Science > Nanochemistry
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:3670
Deposited By:JNCASR
Deposited On:28 Jan 2009 06:53
Last Modified:08 Apr 2009 15:28

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