Photochemistry of CS2/Cl complexes -: combined pulse radiolysis-laser flash photolysis studies

被引：4
|
作者：
Sumiyoshi, T [1 ]
Nakayama, M [1 ]
Fujiyoshi, R [1 ]
Sawamura, S [1 ]
机构：
[1] Hokkaido Univ, Grad Sch Engn, Div Quantum Sci & Engn, Kita Ku, Sapporo, Hokkaido 0608628, Japan
来源：
RADIATION PHYSICS AND CHEMISTRY | 2006年 / 75卷 / 01期
关键词：
CS2/Cl complex; pulse radiolysis; laser flash photolysis; intermolecular hydrogen abstraction;
D O I：
10.1016/j.radphyschem.2005.06.002
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：
Complexes of chlorine atoms and carbon disulfide (CS2) were produced by pulse radiolysis of CS2 in halocarbons and photochemical reactions were studied by laser flash photolysis. Excitation of CS2/Cl complexes resulted in rapid and permanent photobleaching. The photobleachling of CS2/Cl complexes is due to intermolecular chlorine atom abstraction in CCl4 with a quantum yield of 0.04, while that ascribed to hydrogen atom abstraction in 1,2-dichloroethane has a quantum yield of 0.21. The effects of additives are discussed based on the bond dissociation energy. (C) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：20 / 25
页数：6
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