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题名: Photodissociation dynamics of ketene at 157.6 nm
作者: Lu, IC;  Lee, SH;  Lee, YT;  Yang, XM
通讯作者: 杨学明
刊名: JOURNAL OF CHEMICAL PHYSICS
发表日期: 2006-01-14
DOI: 10.1063/1.2147221
卷: 124, 期:2, 页:024324-1-024324-6
收录类别: SCI
文章类型: Article
部门归属: 11
项目归属: 1102
产权排名: 2;4
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: Photodissociation dynamics of ketene at 157.6 nm has been investigated using the photofragment translational spectroscopic technique based on photoionization detection using vacuum-ultraviolet synchrotron radiation. Three dissociation channels have been observed: CH2+CO, CH+HCO, and HCCO+H. The product translational energy distributions and angular anisotropy parameters were measured for all three observed dissociation channels, and the relative branching ratios for different channels were also estimated. The experimental results show that the direct C-C bond cleavage (CH2+CO) is the dominant channel, while H migration and elimination channels are very minor. The results in this work show that direct dissociation on excited electronic state is much more significant than the indirect dissociation via the ground state in the ketene photodissociation at 157.6 nm. (c) 2006 American Institute of Physics.
关键词[WOS]: STATE DISTRIBUTIONS ;  ANGULAR ANISOTROPY ;  MOLECULAR-BEAM ;  PRODUCT ;  DISSOCIATION ;  PROPENE ;  CH2CO
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000234607700041
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/97187
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116011, Peoples R China
2.Natl Tsing Hua Univ, Dept Chem, Hsinchu 30013, Taiwan
3.Natl Synchrotron Radiat Res Ctr, Hsinchu 30076, Taiwan
4.Acad Sinica, Inst Atom & Mol Sci, Taipei 106, Taiwan

Recommended Citation:
Lu, IC,Lee, SH,Lee, YT,et al. Photodissociation dynamics of ketene at 157.6 nm[J]. JOURNAL OF CHEMICAL PHYSICS,2006,124(2):024324-1-024324-6.
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