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Ultrafast decay dynamics of water molecules excited to electronic (D)over-tilde' and (D)over-tilde '' states: a time-resolved photoelectron spectroscopy study

文献类型：期刊论文

作者Min, Yanjun1,2; Yang, Dongyuan1,2; He, Zhigang2; Chen, Zhichao2; Yuan, Kaijun2; Dai, Dongxu2; Wu, Guorong2; Yang, Xueming2
刊名PHYSICAL CHEMISTRY CHEMICAL PHYSICS
出版日期2019-07-21
卷号21期号:27页码:15040-15045
ISSN号1463-9076
DOI10.1039/c9cp01644a
通讯作者Wu, Guorong(wugr@dicp.ac.cn)
英文摘要The ultrafast decay dynamics of water molecules excited to (D) over tilde'B-1(1) and (D) over tilde ''(1)A(2) states is studied by combining two-photon excitation and time-resolved photoelectron imaging methods. The lifetime of the (D) over tilde'B-1(1)(000) state of H2O (D2O) is determined to be 1.54 +/- 0.1 (22.6 +/- 1.6) ps, consistent with a previous high-resolution spectroscopic study. The H2O (D) over tilde ''(1)A(2)(000) state decays with a lifetime of 4.1 +/- 0.2 ps, while in the D2O (D) over tilde ''(1)A(2)(000) state, two independent decay pathways are observed, with time constants of 0.55 +/- 0.1 and 13 +/- 1 ps, respectively. The former is proposed to be associated with a hitherto undocumented (D) over tilde '' -> (C) over tilde pathway, induced by Coriolis interaction.
WOS关键词PREDISSOCIATION-DYNAMICS ; IONIZATION SPECTROSCOPY ; H2O ; D2O ; (C)OVER-TILDE ; SPECTRA
资助项目National Natural Science Foundation of China[21833003] ; National Natural Science Foundation of China[21573228] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB17000000]
WOS研究方向Chemistry ; Physics
语种英语
WOS记录号WOS:000477969700060
出版者ROYAL SOC CHEMISTRY
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences
源URL[http://cas-ir.dicp.ac.cn/handle/321008/173950]  
专题大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者Wu, Guorong
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning, Peoples R China
推荐引用方式
GB/T 7714		 Min, Yanjun,Yang, Dongyuan,He, Zhigang,et al. Ultrafast decay dynamics of water molecules excited to electronic (D)over-tilde' and (D)over-tilde '' states: a time-resolved photoelectron spectroscopy study[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2019,21(27):15040-15045.
APA Min, Yanjun.,Yang, Dongyuan.,He, Zhigang.,Chen, Zhichao.,Yuan, Kaijun.,...&Yang, Xueming.(2019).Ultrafast decay dynamics of water molecules excited to electronic (D)over-tilde' and (D)over-tilde '' states: a time-resolved photoelectron spectroscopy study.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,21(27),15040-15045.
MLA Min, Yanjun,et al."Ultrafast decay dynamics of water molecules excited to electronic (D)over-tilde' and (D)over-tilde '' states: a time-resolved photoelectron spectroscopy study".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 21.27(2019):15040-15045.

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来源：大连化学物理研究所

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