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Citation: ZHENG Qiu-Sha, TANG Ying, ZHU Rong-Shu, WEI Zheng-Rong, ZHANG Bing. Study on Photodissociation Dynamics of C₈H₁₇Br by Velocity Map Ion Imaging[J]. Acta Physico-Chimica Sinica, ;2006, 22(04): 460-464. doi: 10.1016/S1872-1508(06)60017-X shu

Study on Photodissociation Dynamics of C₈H₁₇Br by Velocity Map Ion Imaging

1.
State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, P. R. China; Graduate School of the Chinese Academy of Sciences, Beijing 100049, P. R. China

Received Date: 22 September 2005
Available Online: 10 April 2006

The Photodissociation dynamics of C8H17Br with excitation laser at 234 nm has been studied using velocity map ion imaging. The relative quantum yields are obtained from (2+1) resonance-enhanced multiphoton ionization (REMPI) of the photofragment Br*(2P1/2) and Br(2P3/2). The velocity maps provide detail information on translational energy distributions and angle distributions. The probabilities of the individual pathways of the fragments are calculated from the relative quantum yield and angular distribution. The results indicate that a large fraction of the available energy translates into the internal energy of the fragments, which can be explained using the soft impulsive model. The relationship between the energy partition and the alkyl structure has been analysed.
- C8H17Br;Velocity map ion imaging;Resonance-enhanced multiphoton ionization;Relative quantum yields
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沈阳化工大学材料科学与工程学院沈阳 110142

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Study on Photodissociation Dynamics of C8H17Br by Velocity Map Ion Imaging

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通讯作者: 陈斌, bchen63@163.com

Study on Photodissociation Dynamics of C₈H₁₇Br by Velocity Map Ion Imaging