Synthesis and Characterization of Calcium Endohedral Fullerenes

The calcium endohedral fullerenes were synthesized by vaporizing the graphite anode filled with CaC2 grains with DC arc, extracted by CS2, and characterized by field desorption mass spectra. It is found that in the extract most fullerenes between C58 and C100 encapsulated one calcium atom and some t...

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Bibliographic Details
Published in:Chemistry letters 1997-09, Vol.26 (9), p.937-938
Main Authors: Baopeng, Cao, Zujin, Shi, Xihuang, Zhou, Zhennan, Gu, Hongzhan, Xiao, Jingzun, Wang
Format: Article
Language:English
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Summary:The calcium endohedral fullerenes were synthesized by vaporizing the graphite anode filled with CaC2 grains with DC arc, extracted by CS2, and characterized by field desorption mass spectra. It is found that in the extract most fullerenes between C58 and C100 encapsulated one calcium atom and some trapped two calcium atoms inside. The results show that filling the graphite anode with CaC2 grains is more favorable to the formation of calcium endohedral fullerenes than filling with other materials.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.1997.937