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Transactions of the INDIAN CERAMIC SOCIETY   Vol. 68  2009
Carbon Nanotubes Synthesis and Application
P. Suraj Shiv Charan*, S. Shanmugam** and V. Kamaraj
Pages : 163-172
DOI : 10.1080/0371750X.2009.11082170
Abstract
Carbon nanotubes have revolutionalized various areas of science and technology. Conceptually, carbon nanotubes can be thought of as all sp2 carbons arranged in graphene sheets, which have been rolled up to form a seamless hollow tube. The tubes can be capped at the ends by a fullerene type hemisphere and can have lengths ranging from tens of nanometers to several microns. They can be subdivided into two classes: the single walled carbon nanotubes (SWNT) and multiwalled carbon nanotubes (MWNT). SWNT, as the name suggests, consists of a single hollow tube with diameters between 0.4 and 2 nm while MWNTs are composed of multiple concentric nanotubes ~0.34 nm apart where the final MWNT has diameters of 2-100 nm. The present review will describe the types of carbon nanotubes, methods of synthesis, properties and some of the applications having commercial importance emphasizing biomedical applications.
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