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Semiconductors

, Volume 49, Issue 7, pp 959–961 | Cite as

Luminescence-kinetic spectroscopy of compound complexes of polyphenylquinolines

  • E. L. Aleksandrova
  • V. M. SvetlichnyiEmail author
  • N. V. Matyushina
  • L. A. Myagkova
  • S. V. Daineko
  • I. L. Martynov
  • A. R. Tameev
Microcrystalline, Nanocrystalline, Porous, and Composite Semiconductors
  • 37 Downloads

Abstract

Polyphenylquinolines (PPQs), which are compound donor–acceptor complexes, are studied by luminescence-kinetic spectroscopy. It is shown that, as the π system becomes stronger on passing from (O, C) to (O, IC) and (PhA, C), an increase in the lifetime T of the excited state is first observed, and for the strongest charge-transfer complex PPQ (PhA, IC), whose luminescence kinetics is described by two exponentials, the lifetime decreases to a value equal to T of PPQ (O, C). This indicates that this complex has two emitting centers localized in the arylene moiety and in the phenylquinoline ring and thereby confirms a previously made conclusion that compound donor–acceptor complexes are formed in polyphenylquinolines with a branched π system of compound D–A complexes.

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Copyright information

© Nauka/Interperiodica 2015

Authors and Affiliations

  • E. L. Aleksandrova
    • 2
  • V. M. Svetlichnyi
    • 1
    Email author
  • N. V. Matyushina
    • 1
  • L. A. Myagkova
    • 1
  • S. V. Daineko
    • 3
  • I. L. Martynov
    • 3
  • A. R. Tameev
    • 4
  1. 1.Institute of Macromolecular CompoundsRussian Academy of SciencesSt. PetersburgRussia
  2. 2.Ioffe Physical–Technical InstituteRussian Academy of SciencesSt. PetersburgRussia
  3. 3.National Research Nuclear University MEPhIMoscowRussia
  4. 4.Frumkin Institute of Chemical Physics and ElectrochemistryRussian Academy of SciencesMoscowRussia

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