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Energy Deactivation of Electronic Excitation of 2-N-Piperidine-5-(2",2"-Dicyanvinyl)Thiophene Depending on the Solvent Viscosity

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Abstract

Using the methods of picosecond laser spectroscopy and steady-state luminescence, we investigated the energy, spectral, and kinetic characteristics of 2-N-piperidine-5-(2",2"-dicyanvinyl)thiophene (PDCVTh) in solutions at room temperature. The mechanism of radiationless energy deactivation of electronic excitation in PDCVTh is interpreted in terms of the notions of conformational changes, controlled by medium viscosity, in a molecule after absorption by it of excitation energy.

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Authors and Affiliations

  1. Institute of Molecular and Atomic Physics, National Academy of Sciences of Belarus, 70 F. Skorina Ave., Minsk, 220072, Belarus

    S. L. Bondarev, V. N. Knyukshto & S. A. Tikhomirov

  2. Belarusian State University, Minsk

    N. V. Maslov

Authors
  1. S. L. Bondarev
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  2. V. N. Knyukshto
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  3. S. A. Tikhomirov
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  4. N. V. Maslov
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Bondarev, S.L., Knyukshto, V.N., Tikhomirov, S.A. et al. Energy Deactivation of Electronic Excitation of 2-N-Piperidine-5-(2",2"-Dicyanvinyl)Thiophene Depending on the Solvent Viscosity. Journal of Applied Spectroscopy 67, 935–938 (2000). https://doi.org/10.1023/A:1004144623480

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  • DOI: https://doi.org/10.1023/A:1004144623480

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