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Formation Of Single-Wall Carbon Nanotubes Forrest Assemblies On Metal Surfaces

Published online by Cambridge University Press:  11 February 2011

Debjit Chattopadhyay
Affiliation:
Nanomaterials Optoelectronics Laboratory, Department of Chemistry, Polymer Program, Institute of Materials Science, University of Connecticut, Storrs, CT 06269–3136.
Izabela Galeska
Affiliation:
Nanomaterials Optoelectronics Laboratory, Department of Chemistry, Polymer Program, Institute of Materials Science, University of Connecticut, Storrs, CT 06269–3136.
Fotios Papadimitrakopoulos*
Affiliation:
Nanomaterials Optoelectronics Laboratory, Department of Chemistry, Polymer Program, Institute of Materials Science, University of Connecticut, Storrs, CT 06269–3136.
*
* Tel. (860)-486–3447, Fax: (860)-486–4745, Email: papadim@mail.ims.uconn.edu.
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Abstract

Learning how to purify and manipulate single wall carbon nanotubes (SWNTs) presents a unique challenge in material science. The processing-related difficulties of these long nano-fibers stem from their high aspect ratio, rigidity and the profound hydrophobic attractions along their tubular walls. Shortening them into discrete segments, with lengths from tens to hundreds of nanometers, presents a viable methodology to alleviate the shape-induced intractability. In addition, the metal-assisted self-organization of these nanosized objects into nano-forest geometries with dense perpendicular surface grafting, demonstrates that such nanosized objects hold significant promise for the development of nanoscale devices. This paper will present an extensive characterization of the topological characteristics of these assemblies, along with their surface coverage, growth characteristics and height fluctuation on iron hydroxide substrates.

Type
Research Article
Copyright
Copyright © Materials Research Society 2003

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References

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