Ultrafast Internal Conversion Dynamics of 2-Chloropyridine by Femtosecond Time-Resolved Photoelectron Imaging

Ultrafast Internal Conversion Dynamics of 2-Chloropyridine by Femtosecond Time-Resolved Photoelectron Imaging

O644; Ultrafast internal conversion dynamics of 2-chloropyridine were studied by femtosecond time-resolved photoelectron imaging spectroscopy coupled with time-resolved mass spectroscopy. The ultrafast internal conversion from the second excited state (S2) to the first excited state (S1) via an adja...

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Veröffentlicht in:Wuli huaxue xuebao 2012-11, Vol.28 (11), p.2543-2548
Hauptverfasser: Ahmed-Yousif, GHAZAl, Xue-Jun, QIU, Chao-Chao, QIN, Jin-You, LONG, Bumaliya, ABULIMITI, Bing, ZHANG
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container_issue 11
container_start_page 2543
container_title Wuli huaxue xuebao
container_volume 28
creator Ahmed-Yousif, GHAZAl
Xue-Jun, QIU
Chao-Chao, QIN
Jin-You, LONG
Bumaliya, ABULIMITI
Bing, ZHANG
description O644; Ultrafast internal conversion dynamics of 2-chloropyridine were studied by femtosecond time-resolved photoelectron imaging spectroscopy coupled with time-resolved mass spectroscopy. The ultrafast internal conversion from the second excited state (S2) to the first excited state (S1) via an adjacent conical intersection within (162±5) fs was clearly observed from the time-dependence of the photoelectron spectra. The subsequent deactivations involved the coupling of S2/S0(the ground state) and S1/S0 conical intersections, which occurred on a timescale of about (5.5±0.3) ps, and led to the internal conversion to the ground state from the S2 and S1 states.
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The subsequent deactivations involved the coupling of S2/S0(the ground state) and S1/S0 conical intersections, which occurred on a timescale of about (5.5±0.3) ps, and led to the internal conversion to the ground state from the S2 and S1 states.</abstract><pub>Graduate University of Chinese Academy of Sciences, Beijing 100049, P. R. China</pub><doi>10.3866/PKU.WHXB201208135</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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title Ultrafast Internal Conversion Dynamics of 2-Chloropyridine by Femtosecond Time-Resolved Photoelectron Imaging
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