Fragmentation of fullerenes and metallofullerenes by surface impact

被引:9
|
作者
Beck, RD [1 ]
Weis, P [1 ]
Rockenberger, J [1 ]
Michel, R [1 ]
Fuchs, D [1 ]
Benz, M [1 ]
Kappes, MM [1 ]
机构
[1] INFP,KERNFORSCHUNGSZENTRUM KARLSRUHE GMBH,D-76021 KARLSRUHE,GERMANY
关键词
D O I
10.1142/S0218625X96001583
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Fragmentation by surface collision has been studied for the (endohedral) metallofullerene species LaC82+ and La2C100+. Three different types of fragment ions are detected: (i) Lanthanum-containing carbon clusters formed by loss of C-2 and/or small even-numbered C-2n units, (ii) empty fullerenes C-2n(+), and (iii) small lanthanum-containing fragments LaC2n+ with n = 0,1,2,3 (and La2C2n, n = 1, 2, for La2C100+). Possible fragmentation processes are discussed and the results are compared with the surface-induced fragmentation of higher fullerenes.
引用
收藏
页码:881 / 885
页数:5
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