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Fullerene Endohedrals of Praseodymium

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Abstract

Praseodymium endohedral fullerenes have been produced in a graphite arc discharge system and shown to exist in the entire fullerene series from C60 to C100. These endohedrals prefer to be encaged in the larger fullerenes which exist in concentrations approximately equal to the concentrations of their empty counterparts. However for C60 and C70 the endohedrals are only about 5% of their counterparts. Solvent extraction with regular fullerene solvents is partially successful for Pr@C82 but completely unsuccessful for the other endohedrals. However, these Pr endohedrals appear to be stable to air and solvent exposure over long periods of time.

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Acknowledgement

This research was supported by SRI's internal R & D program.

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Authors and Affiliations

  1. Molecular Physics Laboratory, SRI International, Menlo Park, CA., 94025

    R. S. Ruoff, R. Malhotra, L. Moro, C. H. Becker & D. C. Lorents

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  1. R. S. Ruoff
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  2. R. Malhotra
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  3. L. Moro
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  4. C. H. Becker
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  5. D. C. Lorents
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Ruoff, R.S., Malhotra, R., Moro, L. et al. Fullerene Endohedrals of Praseodymium. MRS Online Proceedings Library 270, 249–253 (1992). https://doi.org/10.1557/PROC-270-249

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  • DOI: https://doi.org/10.1557/PROC-270-249

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