Issue 7, 2007

Kinetics of carbon nanotubeoxidation

Abstract

Carbon nanotubes, graphite and amorphous carbon are structurally different, which is reflected in their reactivity and the resistance to oxidation. This paper reports the stability of single- and multi-walled nanotubes, and their true oxidation rates based on conversion to CO2 when heated in the presence of oxygen. Non-isothermal techniques were employed to determine the kinetic parameters for the oxidation of nanotubes, amorphous carbon and graphite. Single-walled nanotubes were found to be the most reactive, followed by multi-walled nanotubes, amorphous carbon and graphite. The oxidation rates of different single-walled tubes samples containing different residual catalysts were also found to vary significantly.

Graphical abstract: Kinetics of carbon nanotube oxidation

Article information

Article type
Paper
Submitted
04 Jul 2006
Accepted
02 Nov 2006
First published
21 Nov 2006

J. Mater. Chem., 2007,17, 619-623

Kinetics of carbon nanotube oxidation

R. Brukh and S. Mitra, J. Mater. Chem., 2007, 17, 619 DOI: 10.1039/B609218G

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