Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Separation of Single-Walled Carbon Nanotubes by Length and Diameter

단일벽 탄소 나노튜브의 길이와 지름에 따른 분류

  • 오영석 (성균관대학교 기계공학과) ;
  • 이덕진 (성균관대학교 기계공학과) ;
  • 장윤석 (성균관대학교 기계공학과) ;
  • 최재붕 (성균관대학교 기계공학과) ;
  • 김영진 (성균관대학교 기계공학과) ;
  • 백승현 (성균관대학교 기계공학과)
  • Published : 2006.03.01
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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

References

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