| 用于飞秒时间分辨分子反应动力学研究的千赫兹离子/电子速度成像仪 |
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| 引用本文： | 贺志刚,陈志超,杨栋元,戴东旭,吴国荣,杨学明.用于飞秒时间分辨分子反应动力学研究的千赫兹离子/电子速度成像仪[J].化学物理学报,2017,30(3):247-252. |
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| 作者姓名： | 贺志刚 陈志超 杨栋元 戴东旭 吴国荣 杨学明 |
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| 作者单位： | 中国科学院大连化学物理研究所, 分子反应动力学国家重点实验室, 大连 116023;中国科学院大学, 北京 100049,中国科学院大连化学物理研究所, 分子反应动力学国家重点实验室, 大连 116023;中国科学院大学, 北京 100049,中国科学院大连化学物理研究所, 分子反应动力学国家重点实验室, 大连 116023;中国科学院大学, 北京 100049,中国科学院大连化学物理研究所, 分子反应动力学国家重点实验室, 大连 116023,中国科学院大连化学物理研究所, 分子反应动力学国家重点实验室, 大连 116023,中国科学院大连化学物理研究所, 分子反应动力学国家重点实验室, 大连 116023 |
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| 基金项目： | This work was supported by the National Basic Research Program of China (No.2013CB922200),the Ministry of Science and Technology of China (No.2012YQ12004704),and the National Natural Science Foundation of China (No.21573228). |
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| 摘 要： |
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| 收稿时间： | 2017/2/19 0:00:00 |
| 修稿时间： | 2017/3/14 0:00:00 |
A New kHz Velocity Map Ion/Electron Imaging Spectrometer for Femtosecond Time-Resolved Molecular Reaction Dynamics Studies |
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| Zhi-gang He,Zhi-chao Chen,Dong-yuan Yang,Dong-xu Dai,Guo-rong Wu and Xue-ming Yang.A New kHz Velocity Map Ion/Electron Imaging Spectrometer for Femtosecond Time-Resolved Molecular Reaction Dynamics Studies[J].Chinese Journal of Chemical Physics,2017,30(3):247-252. |
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| Authors: | Zhi-gang He Zhi-chao Chen Dong-yuan Yang Dong-xu Dai Guo-rong Wu and Xue-ming Yang |
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| Institution: | State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Dalian 116023, China;University of Chinese Academy of Sciences, Beijing 100049, China,State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Dalian 116023, China;University of Chinese Academy of Sciences, Beijing 100049, China,State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Dalian 116023, China;University of Chinese Academy of Sciences, Beijing 100049, China,State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Dalian 116023, China,State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Dalian 116023, China and State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Dalian 116023, China |
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| Abstract: | A new velocity map imaging spectrometer is constructed for molecular reaction dynamics studies using time-resolved photoelectron/ion spectroscopy method.By combining a kHz pulsed valve and an ICCD camera,this velocity map imaging spectrometer can be run at a repetition rate of 1 kHz,totally compatible with the fs Ti:Sapphire laser system,facilitating time-resolved studies in gas phase which are usually time-consuming.Time-resolved velocity map imaging study of NH3 photodissociation at 200 nm was performed and the time-resolved total kinetic energy release spectrum of H+NH2 products provides rich information about the dissociation dynamics of NH3.These results show that this new apparatus is a powerful tool for investigating the molecular reaction dynamics using time-resolved methods. |
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| Keywords: | Photoelectron spectrum Pump/probe Femtosecond time-resolved |
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