Synthesis and Characterization of Calcium Endohedral Fullerenes
The calcium endohedral fullerenes were synthesized by vaporizing the graphite anode filled with CaC<SUB>2</SUB> grains with DC arc, extracted by CS<SUB>2</SUB>, and characterized by field desorption mass spectra. It is found that in the extract most fullerenes between C<SUB>58</SUB> and C<SUB>100</SUB> encapsulated one calcium atom and some trapped two calcium atoms inside. The results show that filling the graphite anode with CaC<SUB>2</SUB> grains is more favorable to the formation of calcium endohedral fullerenes than filling with other materials.
- Chemistry letters
Chemistry letters 1997(9), 937-938, 1997-09
The Chemical Society of Japan