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Encapsulated Molecules in Carbon Nanotubes: Structure and Properties

Published online by Cambridge University Press:  21 March 2011

Richard Russo ,
Brian W. Smith ,
B.C. Satishkumar ,
David E. Luzzi  and
Harry C. Dorn
Richard Russo
Affiliation:
Laboratory for Research in the Structure of Matter, University of Pennsylvania 3231 Walnut Street, Philadelphia, PA 19104–6272, USA
Brian W. Smith
Affiliation:
Laboratory for Research in the Structure of Matter, University of Pennsylvania 3231 Walnut Street, Philadelphia, PA 19104–6272, USA
B.C. Satishkumar
Affiliation:
Laboratory for Research in the Structure of Matter, University of Pennsylvania 3231 Walnut Street, Philadelphia, PA 19104–6272, USA
David E. Luzzi
Affiliation:
Department of Materials Science and Engineering, University of Pennsylvania 3231 Walnut Street, Philadelphia, PA 19104–6272, USA
Harry C. Dorn
Affiliation:
Department of Chemistry Virginia Polytechnic Institute and State University Blacksburg, Virginia 24061, USA
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Abstract

We encapsulate a number of fullerenes inside single-walled carbon nanotubes (SWNTs) including La2@C80 and ErxSc3–xN@C80(x=0–3). The structural properties of these nanoscopic hybrid materials are described using high resolution transmission electron microscopy and electron diffraction. It is found that the encapsulated fullerenes self-assemble into long, one-dimensional chains. The thermal stability of these supramolecular assemblies are studied and large variations are found. The behavior is nominally consistent with the mass of the encapsulated metallofullerenes.

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References

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