Structure and oxidation patterns of carbon
nanotubes
N. Yao*, V.
Lordi*, S.X.C. Ma*, E.
Dujardin+, A. Krishnan+,
M.M.J. Treacy+, T.W. Ebbesen+
(*Princeton
University, +NEC Research Institute)
We discuss
the oxidation of carbon nanotubes and how it is affected by structure and
geometry. While graphite is known to oxidize primarily at defects to
create etch pits, nanotubes have additional structural features such as
high curvature, helicity, and contain five and seven membered rings
which modify the initiation and propagation of oxidation. Oxidation does
not necessarily start at the tip of the tubes, and there are pronounced
differential oxidation rates between layers which depend on the
helicity of the individual shells.
Order No.:
JA809-011 © 1998 MRS

Go to September 1998 Table of Contents

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