MASS-SPECTROMETRY - THE IMPORTANT CHARACTERIZATION METHOD OF FULLERENES

被引:15
作者
DUNSCH, L [1 ]
KIRBACH, U [1 ]
KLOSTERMANN, K [1 ]
机构
[1] TECH UNIV DRESDEN,INST ANALYT CHEM,D-01069 DRESDEN,GERMANY
关键词
D O I
10.1016/0022-2860(95)08668-L
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
A sector field mass spectrometer was applied to generate fullerene ions with different ionisation methods. Electron impact ionisation (EI), chemical ionisation (CI), fast atom bombardment ionisation (FAB) and field desorption/field ionisation (FD/FI) were used for the generation of ions. The yield of ions, the molecule fragmentation, multiple ionisation and the detection efficiency of higher and endohedral fullerenes are compared. It was found that the negative ion CI is the best ionisation method for fullerenes. Examples of metallofullerene mass spectra are shown and problems during the recording are discussed.
引用
收藏
页码:381 / 384
页数:4
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