Molecular and dissociative photoionization of CS2 from 20 to 120 eV

被引：3
|
作者：
Masuoka, T [1 ]
Okaji, A [1 ]
Kobayashi, A [1 ]
机构：
[1] Osaka City Univ, Grad Sch Engn, Dept Appl Phys, Sumiyoshi Ku, Osaka 5588585, Japan
来源：
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY | 2003年 / 226卷 / 02期
关键词：
dissociative photoionization; carbon disulfide; ion branching ratios; synchrotron radiation;
D O I：
10.1016/S1387-3806(03)00025-3
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：
Using synchrotron radiation as a continuum light source, molecular and dissociative photoionization of CS2 has been studied in the photon-energy region of 20-120 eV. Ion branching ratios obtained by analyzing the time-of-flight (TOF) mass spectra for the observed ions, S-2(+), CS+, S+, C+, and CS22+, were differentiated with respect to the incident photon energy. The results obtained by this analytical photoion spectroscopy show dissociation pathways of the parent CS2+ and CS22+ ions, some of which are observed for the first time in the present study. These pathways are discussed by comparing them with the reported electronic states of the ions. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：317 / 327
页数：11
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