Photochemistry of CS2/Cl complexes—combined pulse radiolysis–laser flash photolysis studies |
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| Institution: | 1. College of Chemistry and Bioengineering, Yichun University, Yichun 336000, China;2. Engineering Center of Jiangxi University for Lithium Energy, Yichun University, Yichun 336000, China;1. School of Materials Science and Engineering, Central South University, Changsha, Hunan 410083, PR China;2. Hunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, PR China |
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| Abstract: | 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 photobleaching 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. |
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