Ultrafast photoelectron spectroscopy of non-adiabatic dynamics in gas and liquid phases

Speaker: 
Toshinori Suzuki (Kyoto University and RIKEN, JAPAN)
Event Date and Time: 
Thu, 2012-03-15 17:30 - 18:30
Location: 
Chem D-215
Local Contact: 
Taka Momose
Intended Audience: 
Graduate
Ultrafast internal conversion processes in isolated aromatic molecules were studied by time-resolved photoelectron imaging spectroscopy with 22-fs time-resolution. Visualization of speed and angular distribution of photoelectrons revealed non-adiabatic dynamics and vibrational wave packet motions in the excited states. We also succeeded in ultrafast photoelectron spectroscopy using liquid beams, which allows observation of non-adiabatic electronic dynamics in bulk solutions. Examples of electron transfer from halogen atom anion to polar protic solvents (water and alcohols) are presented.
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