Helicity-dependent single-walled carbon nanotube alignment on graphite for helical angle and handedness recognition

Yabin Chen, Ziyong Shen, Ziwei Xu, Yue Hu, Haitao Xu, Sheng Wang, Xiaolei Guo, Yanfeng Zhang, Lianmao Peng, Feng Ding, Zhongfan Liu and Jin Zhang ()
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Yabin Chen: Center for Nanochemistry, Beijing National Laboratory for Molecular Sciences, Key Laboratory for the Physics and Chemistry of Nanodevices, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University
Ziyong Shen: Key Laboratory for the Physics and Chemistry of Nanodevices, Peking University
Ziwei Xu: Institute of Textiles and Clothing, Hong Kong Polytechnic University
Yue Hu: Center for Nanochemistry, Beijing National Laboratory for Molecular Sciences, Key Laboratory for the Physics and Chemistry of Nanodevices, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University
Haitao Xu: Key Laboratory for the Physics and Chemistry of Nanodevices, Peking University
Sheng Wang: Key Laboratory for the Physics and Chemistry of Nanodevices, Peking University
Xiaolei Guo: Key Laboratory for the Physics and Chemistry of Nanodevices, Peking University
Yanfeng Zhang: Center for Nanochemistry, Beijing National Laboratory for Molecular Sciences, Key Laboratory for the Physics and Chemistry of Nanodevices, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University
Lianmao Peng: Key Laboratory for the Physics and Chemistry of Nanodevices, Peking University
Feng Ding: Institute of Textiles and Clothing, Hong Kong Polytechnic University
Zhongfan Liu: Center for Nanochemistry, Beijing National Laboratory for Molecular Sciences, Key Laboratory for the Physics and Chemistry of Nanodevices, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University
Jin Zhang: Center for Nanochemistry, Beijing National Laboratory for Molecular Sciences, Key Laboratory for the Physics and Chemistry of Nanodevices, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University

Nature Communications, 2013, vol. 4, issue 1, 1-6

Abstract: Abstract Aligned single-walled carbon nanotube arrays provide a great potential for the carbon-based nanodevices and circuit integration. Aligning single-walled carbon nanotubes with selected helicities and identifying their helical structures remain a daunting issue. The widely used gas-directed and surface-directed growth modes generally suffer the drawbacks of mixed and unknown helicities of the aligned single-walled carbon nanotubes. Here we develop a rational approach to anchor the single-walled carbon nanotubes on graphite surfaces, on which the orientation of each single-walled carbon nanotube sensitively depends on its helical angle and handedness. This approach can be exploited to conveniently measure both the helical angle and handedness of the single-walled carbon nanotube simultaneously at a low cost. In addition, by combining with the resonant Raman spectroscopy, the (n,m) index of anchored single-walled carbon nanotube can be further determined from the (d,θ) plot, and the assigned (n,m) values by this approach are validated by both the electronic transition energy Eii measurement and nanodevice application.

Date: 2013
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DOI: 10.1038/ncomms3205

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