Separation of substituted fullerenes using non-aqueous reversed-phase liquid chromatography–mass spectrometry

A simple non-aqueous reversed-phase separation HPLC–MS method has been developed to allow for the rapid screening and separation of fullerenes and substituted fullerenes. This procedure provides confirmation that the proposed substitution methodology for the fullerene is not only successful but that multiple substitution products are obtained. The methodology is being expanded to analyze other substituted fullerene product mixtures.