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Nano Research 2014, 7(5): 626-657 https://doi.org/10.1007/s12274-014-0431-1
Review Article | Issue | Published: 26 April 2014

Curved carbon nanotubes: From unique geometries to novel properties and peculiar applications

Show Author's Information Lizhao Liu1,2,  Feng Liu2( ),  Jijun Zhao1( )
Key Laboratory of Materials Modification by LaserIon and Electron Beams (Dalian University of Technology)Ministry of EducationDalian116024China
Department of Materials Science and EngineeringUniversity of UtahSalt Lake CityUtah84112USA
Keywords:
pentagon, heptagon, toroidal CNTs, kinked CNTs, coiled CNTs
Cite this article:
Liu L, Liu F, Zhao J. Curved carbon nanotubes: From unique geometries to novel properties and peculiar applications. Nano Research, 2014, 7(5): 626-657. https://doi.org/10.1007/s12274-014-0431-1
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Abstract Full text About this article

Incorporating pentagons and heptagons into the hexagonal networks of pristine carbon nanotubes (CNTs) can form various CNT-based nanostructures, as pentagons and heptagons will bend or twist the CNTs by introducing positive and negative curvature, respectively. Some typical so-made CNT-based nanostructures are reviewed in this article, including zero-dimensional toroidal CNTs, and one-dimensional kinked and coiled CNTs. Due to the presence of non-hexagonal rings and curved geometries, such nanostructures possess rather different structural, physical and chemical properties from their pristine CNT counterparts, which are reviewed comprehensively in this article. Additionally, their synthesis, modelling studies, and potential applications are discussed.


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About this article

Curved carbon nanotubes: From unique geometries to novel properties and peculiar applications

Show Author's information Lizhao Liu1,2, Feng Liu2( ), Jijun Zhao1( )
Key Laboratory of Materials Modification by LaserIon and Electron Beams (Dalian University of Technology)Ministry of EducationDalian116024China
Department of Materials Science and EngineeringUniversity of UtahSalt Lake CityUtah84112USA

Abstract

Incorporating pentagons and heptagons into the hexagonal networks of pristine carbon nanotubes (CNTs) can form various CNT-based nanostructures, as pentagons and heptagons will bend or twist the CNTs by introducing positive and negative curvature, respectively. Some typical so-made CNT-based nanostructures are reviewed in this article, including zero-dimensional toroidal CNTs, and one-dimensional kinked and coiled CNTs. Due to the presence of non-hexagonal rings and curved geometries, such nanostructures possess rather different structural, physical and chemical properties from their pristine CNT counterparts, which are reviewed comprehensively in this article. Additionally, their synthesis, modelling studies, and potential applications are discussed.

Keywords: pentagon, heptagon, toroidal CNTs, kinked CNTs, coiled CNTs

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Publication history
Copyright
Acknowledgements

Publication history

Received: 26 November 2013
Revised: 15 February 2014
Accepted: 17 February 2014
Published: 26 April 2014
Issue date: May 2014

Copyright

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2014

Acknowledgements

Acknowledgements

This work was supported by the Program for Changjiang Scholars and Innovative Research Teams in University (PCSIRT) and Fundamental Research Funds for the Central Universities of China (No. DUT12YQ05). L. Liu is also thankful for the support through the Scholarship Award for Excellent Doctoral Student granted by the Ministry of Education of China and the support from China Scholarship Council (CSC). F. Liu acknowledges support from US DOEBES (grant no. DE-FG02-04ER46148) and NSF-MRSEC (grant no. DMR-1121252).

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