DICP OpenIR
Ultrafast dynamics of pyridine in "channel three" region
Wang, Bingxing1,2; Liu, Benkang1,2; Wang, Yanqiu1; Wang, Li1
KeywordTime Resolved Photoelectron Imaging Rydberg Vibrational Redistribution
Source PublicationINTERNATIONAL JOURNAL OF MASS SPECTROMETRY
2010-01-15
DOI10.1016/j.ijms.2009.09.014
Volume289Issue:2-3Pages:92-97
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectPhysics, Atomic, Molecular & Chemical ; Spectroscopy
WOS Research AreaPhysics ; Spectroscopy
WOS KeywordRESOLVED PHOTOELECTRON-SPECTROSCOPY ; SINGLE-VIBRONIC-LEVEL ; ENERGY DEPENDENCE ; EXCITED-STATE ; RADIATIONLESS TRANSITIONS ; CONICAL INTERSECTIONS ; ELECTRONIC RELAXATION ; FEMTOSECOND DYNAMICS ; BENZENE ; MOLECULES
AbstractThe 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.
Language英语
WOS IDWOS:000273908300004
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/141965
Collection中国科学院大连化学物理研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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