A method for recovering small bandgap fullerenes, including metallofullerenes, from soot by passivating individual fullerenes and/or metallofullerenes to an anionic configuration. The addition of extra electrons to a metallofullerene or small bandgap fullerene breaks the interfullerene bonding in the solid material, and the resulting anions are soluble in organic electrochemical solvents. Once dissolved, the small bandgap fullerenes can be plated out or precipitated by returning them to a neutral state.

Un metodo per recuperare i piccoli fullerenes del bandgap, compreso i metallofullerenes, dalla fuliggine passivando i diversi fullerenes e/o metallofullerenes ad una configurazione anionica. L'aggiunta degli elettroni supplementari ad un metallofullerene o ad un piccolo fullerene del bandgap rompe il bonding del interfullerene nel prodotto solido e gli anioni risultanti sono solubili in solventi elettrochimici organici. Una volta che dissolti, i piccoli fullerenes del bandgap possono essere placcati fuori o precipitato restituendoli ad un neutrale dichiari.

 
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