Methods and apparatuses for the production of metallofullerenes using an arc discharge reactor setup are described. The metallofullerenes are produced by evaporation in an AC arc discharge of multiple, angle positioned, solid graphite electrodes and of a powder of the metal, to be incorporated in carbon cage, injected in the arc discharge independently.
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 The experiments performed in this application were supported in part by Grant No. DE-SC0003537 awarded by the U.S. Department of Energy. The U.S. Government may therefore have a paid-up license in this invention and may have the right to require patent owner to license others on reasonable terms as provided for by the terms of the above-identified grant.