Journal
INTERNATIONAL REVIEWS IN PHYSICAL CHEMISTRY
Volume 31, Issue 2, Pages 265-318Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/0144235X.2012.699346
Keywords
ultrafast; photoelectron spectroscopy; imaging; non-adiabatic; internal conversion; pyrazine; benzene; toluene; furan; charge transfer; solvated electron
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Time-resolved photoelectron spectroscopy of non-adiabatic processes in isolated molecules in molecular beams and aqueous solutions at ambient temperatures is discussed. In the former, time-energy mapping of photoelectron kinetic energy and angular distributions is performed with 22 fs time-resolution by photoelectron imaging using a multicolour filamentation light source. The S-2-S-1 internal conversion dynamics in pyrazine, benzene and toluene mediated by conical intersections and deactivation of furan from the Rydberg and valence states are discussed. In the latter, a liquid beam photoelectron spectrometer (hemispherical or time-of-flight) is coupled with a sub-MHz non-collinear optical parametric amplifier. Additionally, charge-transfer-to-solvent reactions from I- to polar protic solvents are observed, and the vertical electron binding energies of solvated electrons in bulk solutions are determined.
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