PREPARATION AND EXTRACTION OF CA-AT-C-60

被引:39
作者
KUBOZONO, Y [1 ]
OHTA, T [1 ]
HAYASHIBARA, T [1 ]
MAEDA, H [1 ]
ISHIDA, H [1 ]
KASHINO, S [1 ]
OSHIMA, K [1 ]
YAMAZAKI, H [1 ]
UKITA, S [1 ]
SOGABE, T [1 ]
机构
[1] TOYO TANSO CORP,CTR RES & DEV,OHNOHARA 76916,JAPAN
关键词
D O I
10.1246/cl.1995.457
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Endohedral metallofullerene Ca@C-60 has been prepared by arc-heating of graphite rod containing calcium oxide, CaO, and extracted by pyridine under the oxygen-free condition. The laser desorption time-of-flight (LD-TOF) mass spectrum of the pyridine solution exhibits five main peaks due to C-60+, Ca@C-60+ C-70+, Ca@C-70+, and C-74+. It has been found that Ca@C-60 can be extracted only under the atmosphere of degassed pyridine owing to its high oxygen-sensitivity.
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收藏
页码:457 / 458
页数:2
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