Significant interferences in the post source decay spectra of ion-gated fullerene and coalesced carbon cluster ions

被引：12
作者：
Barrow, MP [1 ]
Drewello, T [1 ]
机构：
[1] Univ Warwick, Dept Chem, Coventry CV4 7AL, W Midlands, England
来源：
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY | 2000年 / 203卷 / 1-3期
基金：
英国工程与自然科学研究理事会;
关键词：
fullerenes; coalescence; post source decay; delayed ionization; laser desorption/ionization; reflectron time-of-flight mass spectrometry;
D O I：
10.1016/S1387-3806(00)00293-1
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Post source decay experiments have been performed with fullerene radical cations and large carbon cluster radical cations, produced from laser desorption/ionization and studied by applying reflectron time-of-flight mass spectrometry. Utilising the wide-spread technique of continuous ion extraction, in conjunction with a deflecting electrode (ion gate) for the selection of ions, the experimental method is carefully evaluated in light of the observation of interfering, artefact signals which have been established as resulting from delayed ionization of fullerenes. (C) 2000 Elsevier Science B.V.
引用
收藏
页码：111 / 125
页数：15
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