Formation and decay of a triplet state of dipyrido[3,2-a:2′,3′-c]phenazine

Evgeni M. Glebov, Olga D. Bakulina, Anton A. Shushakov, Svetlana G. Matveeva, Ivan P. Pozdnyakov, Vjacheslav P. Grivin, Victor F. Plyusnin, Danila B. Vasilchenko, Alexei A. Melnikov, Sergei V. Chekalin

Research output: Contribution to journalArticlepeer-review

Abstract

The photophysical and photochemial properties of dipyrido[3,2-a:2′,3′-c]phenazine (dppz) in acetonitrile have been investigated by laser flash photolysis and ultrafast pump-probe spectroscopy. The excitation of dppz to the first singlet excited state was followed by vibrational cooling with solvent relaxation for ∼3 ps and then intersystem crossing for ∼50 ps. Spectral and kinetic characteristics of the triplet excited state have been determined.

Original languageEnglish
Pages (from-to)322-324
Number of pages3
JournalMendeleev Communications
Volume30
Issue number3
DOIs
Publication statusPublished - 1 May 2020

Keywords

  • dppz
  • laser flash photolysis
  • photochemistry
  • photophysics
  • triplet state
  • ultrafast pump-probe spectroscopy

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