Self-folding of single- and multiwall carbon nanotubes

W. Zhou, Y. Huang*, B. Liu, K. C. Hwang, J. M. Zuo, M. J. Buehler, H. Gao

*Corresponding author for this work

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

Long carbon nanotubes (CNTs) have many important applications. However, long CNTs may self-fold and therefore compromise their applications. The authors have determined the critical length for self-folding as 4π EIγ, where EI and γ are the CNT bending stiffness and binding energy, respectively. This simple expression has been verified by atomistic simulations. For single-wall CNTs, the critical self-folding length ranges from a few hundred nanometers to about 2 μm. For multiwall CNTs, the critical length increases rapidly with the number of walls and exceeds 10 μm for a 14-wall CNT.

Original languageEnglish (US)
Article number073107
JournalApplied Physics Letters
Volume90
Issue number7
DOIs
StatePublished - Feb 26 2007

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folding
carbon nanotubes
stiffness
binding energy
simulation
energy

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Zhou, W., Huang, Y., Liu, B., Hwang, K. C., Zuo, J. M., Buehler, M. J., & Gao, H. (2007). Self-folding of single- and multiwall carbon nanotubes. Applied Physics Letters, 90(7), [073107]. https://doi.org/10.1063/1.2535874
Zhou, W. ; Huang, Y. ; Liu, B. ; Hwang, K. C. ; Zuo, J. M. ; Buehler, M. J. ; Gao, H. / Self-folding of single- and multiwall carbon nanotubes. In: Applied Physics Letters. 2007 ; Vol. 90, No. 7.
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Zhou, W, Huang, Y, Liu, B, Hwang, KC, Zuo, JM, Buehler, MJ & Gao, H 2007, 'Self-folding of single- and multiwall carbon nanotubes', Applied Physics Letters, vol. 90, no. 7, 073107. https://doi.org/10.1063/1.2535874

Self-folding of single- and multiwall carbon nanotubes. / Zhou, W.; Huang, Y.; Liu, B.; Hwang, K. C.; Zuo, J. M.; Buehler, M. J.; Gao, H.

In: Applied Physics Letters, Vol. 90, No. 7, 073107, 26.02.2007.

Research output: Contribution to journalArticle

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AU - Buehler, M. J.

AU - Gao, H.

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Zhou W, Huang Y, Liu B, Hwang KC, Zuo JM, Buehler MJ et al. Self-folding of single- and multiwall carbon nanotubes. Applied Physics Letters. 2007 Feb 26;90(7). 073107. https://doi.org/10.1063/1.2535874