ENHANCED COALESCENCE UPON LASER-DESORPTION OF FULLERENE OXIDES

被引:65
作者
BECK, RD
STOERMER, C
SCHULZ, C
MICHEL, R
WEIS, P
BRAUCHLE, G
KAPPES, MM
机构
[1] Institut für Physikalische Chemie, Universität Karlsruhe
关键词
D O I
10.1063/1.467571
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
C60Ox, X=1-3 were prepared by exposing C-60 solutions to ozone. After high performance liquid chromatography purification, these materials were studied by laser desorption time of flight mass spectroscopy. These mass spectra suggest that fullerene oxides undergo laser desorption induced coalescence more efficiently than pure C-60. A correlation between the fragmentation of the desorbed parent species and the observed coalescence products both in yield and distribution suggests that efficient gas phase coalescence involves at least one reactive species, such as C-58, produced by fragmentation of the desorbed fullerenes or fullerene derivatives.
引用
收藏
页码:3243 / 3249
页数:7
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