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Research Article | Open Access

Enhanced π–π Interactions Between a C60 Fullerene and a Buckle Bend on a Double-Walled Carbon Nanotube

Sandeep Gorantla1, Stanislav Avdoshenko2, Felix Börrnert1, Alicja Bachmatiuk1, Maria Dimitrakopoulou1, Franziska Schäffel1, Ronny Schönfelder1, Jürgen Thomas1, Thomas Gemming1, Jamie H. Warner3, Gianaurelio Cuniberti2, Jürgen Eckert1, Bernd Büchner1, Mark H. Rümmeli1( )
IFW Dresden P.O. Box 270116, D-01171 Dresden, Germany
Institute for Materials Science and Max Bergmann Center of Biomaterials Dresden University of TechnologyDresden 01062 Germany
Department of Materials, University of OxfordParks Rd., Oxford OX1 3PH United Kingdom
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Abstract

In situ low-voltage aberration corrected transmission electron microscopy (TEM) observations of the dynamic entrapment of a C60 molecule in the saddle of a bent double-walled carbon nanotube is presented. The fullerene interaction is non-covalent, suggesting that enhanced π–π interactions (van der Waals forces) are responsible. Classical molecular dynamics calculations confirm that the increased interaction area associated with a buckle is sufficient to trap a fullerene. Moreover, they show hopping behavior in agreement with our experimental observations. Our findings further our understanding of carbon nanostructure interactions, which are important in the rapidly developing field of low-voltage aberration corrected TEM and nano-carbon device fabrication.

Keywords

Carbon nanotubesfullereneslow-voltage transmission electron microscopymolecule trap

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Nano Research
Volume 3 Issue 2,
February 2010
Pages 92-97
DOI: 10.1007/s12274-010-1012-6
Cite this article:
Gorantla S, Avdoshenko S, Börrnert F, et al. Enhanced π–π Interactions Between a C60 Fullerene and a Buckle Bend on a Double-Walled Carbon Nanotube. Nano Research, 2010, 3(2): 92-97. https://doi.org/10.1007/s12274-010-1012-6

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Received: 30 October 2009
Revised: 30 November 2009
Accepted: 06 December 2009
Published: 27 March 2010
© The Author(s) 2010
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