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Issue 48, 2010
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Ultrafast dynamics through conical intersections and intramolecular vibrational energy redistribution in styrene

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Abstract

We report a femtosecond time-resolved photoelectron spectroscopy (TRPES) investigation of internal conversion in the first two excited singlet electronic states of styrene. We find that radiationless decay through an S1/S0 conical intersection occurs on a timescale of ∼4 ps following direct excitation to S1 with 0.6 eV excess energy, but that the same process is significantly slower (∼20 ps) if it follows internal conversion from S2 to S1 after excitation to S2 with 0.3 eV excess energy (0.9 eV excess energy in S1).

Graphical abstract: Ultrafast dynamics through conical intersections and intramolecular vibrational energy redistribution in styrene

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Publication details

The article was received on 05 Sep 2010, accepted on 12 Oct 2010 and first published on 10 Nov 2010


Article type: Paper
DOI: 10.1039/C0CP01723J
Citation: Phys. Chem. Chem. Phys., 2010,12, 15751-15759
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    Ultrafast dynamics through conical intersections and intramolecular vibrational energy redistribution in styrene

    A. D. G. Nunn, R. S. Minns, R. Spesyvtsev, M. J. Bearpark, M. A. Robb and H. H. Fielding, Phys. Chem. Chem. Phys., 2010, 12, 15751
    DOI: 10.1039/C0CP01723J

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