Ultrafast dynamics of o-fluorophenol studied with femtosecond time-resolved photoelectron and photoion spectroscopy

被引：0
|
作者：
QiuSha Zheng
ChaoChao Qin
JinYou Long
BiFeng Tang
Song Zhang
Bing Zhang
机构：
[1] Chinese Academy of Sciences,State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics
[2] Graduate University of the Chinese Academy of Sciences,Department of Physics
[3] Xiaogan University,undefined
来源：
Science China Physics, Mechanics and Astronomy | 2010年 / 53卷
关键词：
o-fluorophenol; femtosecond time-resolved photoelectron imaging; excited states;
D O I：
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中图分类号：
学科分类号：
摘要：
The ultrafast dynamics of o-fluorophenol via the excited states has been studied by femtosecond time-resolved photoelectron imaging. The photoion and photoelectron spectra taken with a time delay between 267 nm pump laser and 800 nm probe laser provide a longer-lived S1 electronic state of about ns timescale. In comparison, the spectra obtained by exciting the S2 state with femtosecond laser pulses at 400 nm and ionizing with pulses at 800 nm suggest that the S2 state has an ultrashort lifetime about 102 fs and reflects the internal conversion dynamics of the S2 state to the S1 state.
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页码：1040 / 1044
页数：4
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