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Issue 41, 2011
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Time-resolved photoelectron spectroscopy: from wavepackets to observables

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Abstract

Time-resolved photoelectron spectroscopy (TRPES) is a powerful tool for the study of intramolecular dynamics, particularly excited state non-adiabatic dynamics in polyatomic molecules. Depending on the problem at hand, different levels of TRPES measurements can be performed: time-resolved photoelectron yield; time- and energy-resolved photoelectron yield; time-, energy-, and angle-resolved photoelectron yield. In this pedagogical overview, a conceptual framework for time-resolved photoionization measurements is presented, together with discussion of relevant theory for the different aspects of TRPES. Simple models are used to illustrate the theory, and key concepts are further amplified by experimental examples. These examples are chosen to show the application of TRPES to the investigation of a range of problems in the excited state dynamics of molecules: from the simplest vibrational wavepacket on a single potential energy surface; to disentangling intrinsically coupled electronic and nuclear motions; to identifying the electronic character of the intermediate states involved in non-adiabatic dynamics by angle-resolved measurements in the molecular frame, the most complete measurement.

Graphical abstract: Time-resolved photoelectron spectroscopy: from wavepackets to observables

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Publication details

The article was received on 21 Jun 2011, accepted on 17 Aug 2011 and first published on 22 Sep 2011


Article type: Perspective
DOI: 10.1039/C1CP22031D
Phys. Chem. Chem. Phys., 2011,13, 18447-18467

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    Time-resolved photoelectron spectroscopy: from wavepackets to observables

    G. Wu, P. Hockett and A. Stolow, Phys. Chem. Chem. Phys., 2011, 13, 18447
    DOI: 10.1039/C1CP22031D

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