High Energy Chemistry

, Volume 50, Issue 1, pp 27–31 | Cite as

Photonics of bis(diethylaminobenzylidene)cyclopentanone and its analogue with the bisazacrown moiety in acetonitrile

  • G. V. Zakharova
  • F. S. Zyuz’kevich
  • V. N. Nuriev
  • S. Z. Vatsadze
  • V. G. Plotnikov
  • S. P. Gromov
  • A. K. Chibisov
Photochemistry

Abstract

Photoprocesses in bis(diethylaminobenzylidene)cyclopentanone (D1) and its bis(aza-18-crown-6) derivative (D2) have been studied in acetonitrile. The absorption, fluorescence, and phosphorescence spectra of D1 are similar to those of D2. Laser excitation of oxygen-free solutions of D1 and D2 leads to generation of a triplet state with a lifetime of ∼1 μs and two intermediate species with lifetimes of ∼100 μs and longer than 1 s.

Keywords

Triplet State High Energy Chemistry Excited Singlet State Cyclopentanone Phosphorescence Spectrum 

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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • G. V. Zakharova
    • 1
  • F. S. Zyuz’kevich
    • 1
  • V. N. Nuriev
    • 2
  • S. Z. Vatsadze
    • 2
  • V. G. Plotnikov
    • 1
    • 3
  • S. P. Gromov
    • 1
    • 2
  • A. K. Chibisov
    • 1
  1. 1.Photochemistry CenterRussian Academy of SciencesMoscowRussia
  2. 2.Moscow State UniversityMoscowRussia
  3. 3.Tomsk State UniversityTomskRussia

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