Ultrafast radiationless relaxation of a pyrromethenone |
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| Institution: | 1. Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, 43124 Parma, Italy;2. Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy;3. Centro Universitario di Odontoiatria, University of Parma, Via Gramsci 14, 43126 Parma, Italy;4. Istituto dei Materiali per l''Elettronica ed il Magnetismo, Consiglio Nazionale delle Ricerche, Parma, Italy;5. Institute of Chemistry, Otto-von-Guericke-Universität Magdeburg, Universitätsplatz 2, 39106 Magdeburg, Germany;6. Institut für Chemie, Universität Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Golm, Germany;7. CERT, Centre of Excellence for Toxicological Research, University of Parma, 43124 Parma, Italy |
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| Abstract: | Radiationless processes of a pyrromethenone after excitation are described by a Langevin simulation method. It is shown, that this model can accurately reproduce experimentally observed values of the lifetime of the S1(Z) state, the ground state recovery time, and the quantum yield of the Z → E configurational change. |
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