Review Article

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2014, 7(5): 626–657

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https://doi.org/10.1007/s12274-014-0431-1

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

Lizhao Liu1,2, Feng Liu2 (*), and Jijun Zhao1 (*)

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1 Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Dalian University of Technology), Ministry of Education, Dalian 116024, China
2 Department of Materials Science and Engineering, University of Utah, Salt Lake City, Utah 84112, USA

Keywords: pentagon, heptagon, toroidal CNTs, kinked CNTs, coiled CNTs
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  • Abstract
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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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Curved carbon nanotubes: From unique geometries to novel properties and peculiar applications. Nano Res. 2014, 7(5): 626–657 https://doi.org/10.1007/s12274-014-0431-1

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