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Counterintuitive Influence of Protonation on Radical-Anion Photoionization

Authors

  • Prof. Dr. Martin Goez,

    Corresponding author
    1. Martin-Luther-Universität Halle-Wittenberg, Institut für Chemie, Kurt-Mothes-Strasse 2, 06120 Halle/Saale (Germany)
    • Martin-Luther-Universität Halle-Wittenberg, Institut für Chemie, Kurt-Mothes-Strasse 2, 06120 Halle/Saale (Germany)
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  • Christoph Kerzig

    1. Martin-Luther-Universität Halle-Wittenberg, Institut für Chemie, Kurt-Mothes-Strasse 2, 06120 Halle/Saale (Germany)
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Abstract

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Protonation of a radical anion M.− greatly facilitates its green-light photoionization despite much less favorable energetics for the resulting ketyl radical MH.. The state symmetry of the radical species absorbing the ionizing photon might provide an explanation.

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