Ultrafast imaging of electronic relaxation in o-xylene: a new competing intersystem crossing channel.
作者： Yuzhu Liu , Gregor Knopp , Patrick Hemberger , Yaroslav Sych , Peter Radi
DOI: 10.1039/C3CP53004C
关键词:
摘要: The ultrafast dynamics of the second singlet electronically excited state (S2) in o-xylene was investigated by femtosecond time-resolved photoelectron imaging. A new competing relaxation channel S2 observed and assigned to T3 ← intersystem crossing. Interestingly, it is found that via this occurs on a comparable timescale as S1 internal conversion. lifetime ∼60 fs for initially state, 540 (±17) secondary populated 7.23 (±0.21) ps could be inferred.
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