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Structure and Properties of C60@SWNT

  • Brian W. Smith (a1), Richard M. Russo (a1), S.B. Chikkannanavar (a1), Ferenc Stercel (a1) and David E. Luzzi (a1)...

Abstract

Our recent achievement of high-yield C60@SWNT synthesis facilitates characterization by various techniques, including selected area electron diffraction (SAD) and Raman spectroscopy. The obtained SAD patterns show that interior C60 molecules sit on a simple 1-D lattice having a parameter of 1.00 nm. Simulated SAD patterns and real-space measurements both support this determination and do not indicate a lattice with a more complex basis, e.g. a dimer basis. Empty and bulk-filled SWNTs (22%, 56%, and 90% yields), each subjected to identical processing steps, were examined by room temperature Raman spectroscopy. Systematic differences are seen between the spectra of filled and unfilled SWNTs, particularly with respect to the G- and RBM-bands of the nanotubes. We present a possible explanation for this behavior.

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References

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1. Smith, B.W., Monthioux, M. Luzzi, D.E., Nature, 396, 323 (1998).
2. Smith, B.W. Luzzi, D.E., Chem. Phys. Lett., 321, 169 (2000).
3. Rao, A.M. et al., Science, 275, 187 (1997).
4. Hornbaker, D.J. et al., ”Science 295, 828 (2002).

Structure and Properties of C60@SWNT

  • Brian W. Smith (a1), Richard M. Russo (a1), S.B. Chikkannanavar (a1), Ferenc Stercel (a1) and David E. Luzzi (a1)...

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