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题名: Photodissociation dynamics of n-C7H15Br molecule by ion velocity imaging
作者: Qu Hong-Bo;  Liang Feng;  Wei Zheng-Rong;  Li Hai-Yang;  Zhang Bing
关键词: n-(CH15Br)-H-7 ;  velocity map ion imaging ;  photodissociation dynamics
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 2006-09-01
DOI: 10.3866/PKU.WHXB20060914
卷: 22, 期:9, 页:1106-1110
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Photodissociation dynamics of n-C7H15Br molecule was investigated at different wavelengths of 231 to 239 run by an ion imaging spectrometer operated under optimal conditions for velocity mapping, where the ions were generated from (2+1) resonance enhanced ionization (REMPI) of the photofragments Br(P-2(3/2)) and Br*(P-2(1/2)) at the same wavelength as that of the photolysis laser. The released kinetic energies and the angular distributions of both fragments at different photolysis wavelengths were derived from the three-dimensional velocity images. The probabilities of the individual pathways of the fragments at 234 nm were calculated from the relative quantum yield and angular distribution. The total translational energy distributions were interpreted using soft impulsive model. The anisotropy parameter for Br* is sensitive to the photolysis wavelength. This fact can be explained by the adiabatic and non-adiabatic dissociation processes in the electronically excited states of n-C7H15Br.
关键词[WOS]: 234 NM ;  ETHYL-BROMIDE ;  ENERGY
语种: 英语
WOS记录号: WOS:000240704900014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140203
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, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China
2.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Hefei 230031, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Qu Hong-Bo,Liang Feng,Wei Zheng-Rong,et al. Photodissociation dynamics of n-C7H15Br molecule by ion velocity imaging[J]. ACTA PHYSICO-CHIMICA SINICA,2006,22(9):1106-1110.
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