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

页码：20 / 25

页数：6

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