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 › peer-review

63 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 - 2007

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Self-folding of single- and multiwall carbon nanotubes",

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.",

author = "W. Zhou and Y. Huang and B. Liu and Hwang, {K. C.} and Zuo, {J. M.} and Buehler, {M. J.} and H. Gao",

note = "Funding Information: The authors acknowledge the financial support from the NSF through Nano-CEMMS (Grant No. DMI 03-28162) at the University of Illinois. The support from NSFC is also acknowledged. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.",

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AU - Zhou, W.

AU - Huang, Y.

AU - Liu, B.

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AU - Buehler, M. J.

AU - Gao, H.

N1 - Funding Information: The authors acknowledge the financial support from the NSF through Nano-CEMMS (Grant No. DMI 03-28162) at the University of Illinois. The support from NSFC is also acknowledged. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.

PY - 2007

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N2 - 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.

AB - 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.

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Self-folding of single- and multiwall carbon nanotubes

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