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Photodissociation dynamics of ketene at 157.6 nm
Lu, IC; Lee, SH; Lee, YT; Yang, XM; Yang XM(杨学明); Yang XM(杨学明)
刊名JOURNAL OF CHEMICAL PHYSICS
2006-01-14
DOI10.1063/1.2147221
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
关键词[WOS]STATE DISTRIBUTIONS ; ANGULAR ANISOTROPY ; MOLECULAR-BEAM ; PRODUCT ; DISSOCIATION ; PROPENE ; CH2CO
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.
语种英语
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WOS记录号WOS:000234607700041
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/97187
专题中国科学院大连化学物理研究所
通讯作者Yang XM(杨学明); Yang XM(杨学明)
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
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GB/T 7714
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.
APA Lu, IC,Lee, SH,Lee, YT,Yang, XM,杨学明,&杨学明.(2006).Photodissociation dynamics of ketene at 157.6 nm.JOURNAL OF CHEMICAL PHYSICS,124(2),024324-1-024324-6.
MLA Lu, IC,et al."Photodissociation dynamics of ketene at 157.6 nm".JOURNAL OF CHEMICAL PHYSICS 124.2(2006):024324-1-024324-6.
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