Ultrafast intra- and intermolecular energy transfer in solutions after selective infrared excitation

DOI PDF 被引用文献1件
  • P. O. J. Scherer
    Physik Department der Technischen Universität München, München, West Germany
  • A. Seilmeier
    Physik Department der Technischen Universität München, München, West Germany
  • W. Kaiser
    Physik Department der Technischen Universität München, München, West Germany

書誌事項

公開日
1985-10-15
DOI
  • 10.1063/1.449107
公開者
AIP Publishing

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説明

<jats:p>Energy is supplied to the solvent or solute molecules via resonantly absorbed infrared photons. The long wavelength tail of the S1 absorption band of a probe molecule is monitored on a picosecond time scale. This technique is used to study energy transfer from the solvent to the probe molecule and vice versa. Exciting a vibrational mode of the probe molecules, the energy is rapidly redistributed via intramolecular processes followed by an intermolecular dissipation to the solvent with time constants of ∼10 ps. Intermolecular energy transfer from the solvent to the probe molecules is observed within ≲5 ps, independent of the solvent.</jats:p>

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