Simultaneous ultrafast probing of intramolecular vibrations and photoinduced charge carriers in rubrene using broadband time-domain THz spectroscopy

M. Koeberg, E. Hendry, J.M. Schins, H.A. Laarhoven, van, C.F.J. Flipse, K. Reimann, M. Woerner, T. Elsaesser, M. Bonn

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Abstract

The ultrafast frequency- and time-resolved complex dielec. responses of photoexcited, single-crystal rubrene at n = 10-30 THz were detd. using ultrafast broadband far-IR spectra. In this frequency range, the responses of both photogenerated mobile charges and intramol. vibrational modes were obsd. simultaneously, both of which vary with time after excitation. The data in conjunction with a theor. model indicate a dynamic blueshift of the 15.5 THz phonon. [on SciFinder (R)]
Original languageEnglish
Article number195216
Pages (from-to)195216-1/5
JournalPhysical Review B
Volume75
Issue number19
DOIs
Publication statusPublished - 2007

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