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Ultrafast dynamics of pyridine in "channel three" region
Wang, Bingxing1,2; Liu, Benkang1,2; Wang, Yanqiu1; Wang, Li1
关键词Time Resolved Photoelectron Imaging Rydberg Vibrational Redistribution
刊名INTERNATIONAL JOURNAL OF MASS SPECTROMETRY
2010-01-15
DOI10.1016/j.ijms.2009.09.014
289期:2-3页:92-97
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Physics, Atomic, Molecular & Chemical ; Spectroscopy
研究领域[WOS]Physics ; Spectroscopy
关键词[WOS]RESOLVED PHOTOELECTRON-SPECTROSCOPY ; SINGLE-VIBRONIC-LEVEL ; ENERGY DEPENDENCE ; EXCITED-STATE ; RADIATIONLESS TRANSITIONS ; CONICAL INTERSECTIONS ; ELECTRONIC RELAXATION ; FEMTOSECOND DYNAMICS ; BENZENE ; MOLECULES
英文摘要The ultrafast dynamics of the S(1) (n pi*) state of pyridine has been investigated by using ferntosecond time-resolved mass spectrometry and photoelectron imaging combined with (1 + 2') resonance-enhanced multiphoton ionization via the Rydberg states. Upon excitation into the channel-three region, an ultrafast decay process is observed with a lifetime of about 3.7 ps. The fragment ions show an additional ultrafast decay component. Time resolved photoelectron imaging experiments reveal the excited pyridine in channel three region relaxes to an optically dark state on this short time scale. According to previous experimental and theoretical results. we suggest tentatively the ultrafast channel is due to IVR induced fast internal conversion. (C) 2009 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000273908300004
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141965
专题中国科学院大连化学物理研究所
作者单位1.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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Wang, Bingxing,Liu, Benkang,Wang, Yanqiu,et al. Ultrafast dynamics of pyridine in "channel three" region[J]. INTERNATIONAL JOURNAL OF MASS SPECTROMETRY,2010,289(2-3):92-97.
APA Wang, Bingxing,Liu, Benkang,Wang, Yanqiu,&Wang, Li.(2010).Ultrafast dynamics of pyridine in "channel three" region.INTERNATIONAL JOURNAL OF MASS SPECTROMETRY,289(2-3),92-97.
MLA Wang, Bingxing,et al."Ultrafast dynamics of pyridine in "channel three" region".INTERNATIONAL JOURNAL OF MASS SPECTROMETRY 289.2-3(2010):92-97.
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