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

doi:10.1063/1.2535874

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

Civil and Environmental Engineering

Research output: Contribution to journal › Article

62 Scopus citations

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 language	English (US)
Article number	073107
Journal	Applied Physics Letters
Volume	90
Issue number	7
DOIs	https://doi.org/10.1063/1.2535874
State	Published - Feb 26 2007

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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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

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AU - Gao, H.

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