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题名: Tracking wave packet dynamics in photodissociation of liquid CH3I with time- and frequency-resolved impulsive stimulated Raman scattering
作者: Wang, Yang1;  Song, Yun-fei1;  Liu, Wei-long1;  Liu, Yu-qiang1;  Duo, Li-ping2;  Jiang, Li-lin1;  Yang, Yan-qiang1, 3
刊名: CHEMICAL PHYSICS LETTERS
发表日期: 2015-07-16
DOI: 10.1016/j.cplett.2015.05.025
卷: 633, 页:126-131
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Physics
英文摘要: We demonstrate that broadband impulsive stimulated Raman scattering with transient grating experimental geometry is capable of recording vibrational spectra in time and frequency domains to reveal the dissociation mechanism of liquid CH3I. The repulsive (3)Q(0) potential energy surface is modified to a quasi-bound surface in the liquid CH3I due to the solvent cage, making the wave packets to get trapped. A small portion of the wave packet passes through the solvent cage, resulting in the C-I bond breakage with the product I-2. This work provides a first glimpse of immense potential of BB-ISRS in studying photodissociation dynamics in liquids. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: SOLVATION ULTRAFAST DYNAMICS ;  EXCITED ELECTRONIC STATES ;  MASS-SPECTROMETRY ;  METHYL-IODIDE ;  VIBRATIONAL SPECTROSCOPY ;  COULOMB EXPLOSION ;  FEMTOSECOND ;  DISSOCIATION ;  RECOMBINATION ;  LASER
语种: 英语
WOS记录号: WOS:000357655100022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146385
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.Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.China Acad Engn Phys, Inst Fluid Phys, Natl Key Lab Shock Wave & Detonat Phys, Mianyang 621900, Sichuan, Peoples R China

Recommended Citation:
Wang, Yang,Song, Yun-fei,Liu, Wei-long,et al. Tracking wave packet dynamics in photodissociation of liquid CH3I with time- and frequency-resolved impulsive stimulated Raman scattering[J]. CHEMICAL PHYSICS LETTERS,2015,633:126-131.
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