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Separation of Single-Walled Carbon Nanotubes by Length and Diameter  

Oh Young-Seok (성균관대학교 기계공학과)
Lee Dock-Jin (성균관대학교 기계공학과)
Chang Yyun-Seok (성균관대학교 기계공학과)
Choi Jae-Boong (성균관대학교 기계공학과)
Kim Young-Jin (성균관대학교 기계공학과)
Baik Seung-Hyun (성균관대학교 기계공학과)
Publication Information
Journal of the Korean Society for Precision Engineering / v.23, no.3, 2006 , pp. 171-178 More about this Journal
Abstract
The sonication mettled is widely used with surfactants to suspend individual single-walled carbon nanotubes in solution, and it is well known that sonication-induced tube cutting occurs. Recently, it is found out that ultrasonicated nanotubes yield simultaneous separation by tube length and diameter. Nanotubes that have been cut shortest possess the greatest enrichments of large-diameter species. In this study, single-walled carbon nanotubes are cut using a ball milling method. Similar fracture behavior is observed fur the ball milled nanotubes: i.e., large diameter tubes are cut shorter. The ability to separate carbon nanotubes by diameter and length will contribute to tile development of nanotube-based applications.
Keywords
Single-Walled Carbon Nanotubes; Sonication; Ball Milling; Gel Electrophoresis; Raman Spectroscopy;
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Times Cited By KSCI : 1  (Citation Analysis)
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