Abstract: Coal, pitch, polycyclic aromatic hydrocarbons and other organic compounds:anthraquinone,triphenylphosphine, carbazole, purine, diphenylguanidine, phenanthroline, triazole were ablated by pulsed laser beam in high vacuum, and their products were monitored with negative ion mass spectrometry. The results showed that many organic species can generate fullerene anions, even though they consist of other non-carbon atoms such as H, O, N, P, but with at least one six-member aromatic ring. The Structures and compositions of the organic species showed a certain effect on the generation of the fullerene.

Key words: fullerene anion, formation laser ablation, mass spectrometry