Nano Structure of Carbon Nano Tube Products Synthesized in Solid Phase

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Solid phase synthetic process of carbon nano tube using solid precursor comprised of solid state carbon source, metallic catalyst and tube control agent has been reported in the last Nanotech 2007 (Santa Clara). In the present study, we discovered that a tube control agent molecule having carbonitrile –CN functionality, is a good hook which links carbon source molecule to metallic atoms to form tube shape products in the pyrrolysis process. Certain carbonitrile compounds show adequate interaction with specific carbon sources to give rise to unique tube structure and eliminate non-tube components in the product. A harmonica precursor with above mentioned 3 components can give rise to various tube shapes including fat tubes (outside diameter 600nm, inside diameter 400nm), thin tubes (diameter 20-30nm), ultra thin tube (diameter 1nm), twisting tubes etc. These tubes are suitable for applications in nanofiltration, nanocomposites for EM shielding, nanocomposites for light structural materials and even for energy devices.

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Journal: TechConnect Briefs
Volume: 1, Nanotechnology 2008: Materials, Fabrication, Particles, and Characterization – Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 1
Published: June 1, 2008
Pages: 116 - 118
Industry sector: Advanced Materials & Manufacturing
Topic: Carbon Nano Structures & Devices
ISBN: 978-1-4200-8503-7