Vibrational Coherence Reveals the Role of Dark Multiexciton States in Ultrafast Singlet Exciton Fission

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DOI http://dx.doi.org/10.1364/UP.2014.11.Fri.A.4
Reference A. Rao, A.A. Bakulin, D. Egorova, A. Chin, D. Zigmantas and S. Morgan: Vibrational Coherence Reveals the Role of Dark Multiexciton States in Ultrafast Singlet Exciton Fission In: 19th International Conference on Ultrafast Phenomena : held in Okinawa/ Japan, July 7-11, 2014, OSA, 2014.
Group Ultrafast Spectroscopy

We use 2D electronic photon-echo spectroscopy to study ultrafast singlet exciton fission in pentacene. Our observations and analysis of vibronic coherences provide insight to the role played by dark multiexcitonic states in mediating fission.