Specific features of the radiative relaxation of excited states of polymethine dyes of different ionicity in films of photoconductive and nonphotoconductive polymers

N. Kh Ibrayev, D. A. Afanasyev, A. A. Ishchenko, N. A. Davidenko

Результат исследований: Материалы для журналаСтатья

5 Цитирования (Scopus)

Аннотация

The spectral and luminescent properties of film composites based on photoconductive poly-N-epoxipropylcarbazole and nonphotoconductive polyvinylbutyral with admixtures of cationic and anionic polymethine dyes, as well as the effect of an external magnetic field on these properties, are studied. It is found that the magnetic field affects the intensity and kinetics of the delayed fluorescence and recombination luminescence of the cationic dye in photoconductive films. This is explained by specific features of photogeneration of charge pairs, namely, by the participation of the singlet and triplet excited states of dye molecules in this process, as well as by the singlet-triplet conversion in dye molecules and photogenerated charge pairs.

Язык оригиналаАнглийский
Страницы (с-по)66-71
Число страниц6
ЖурналOptics and Spectroscopy (English translation of Optika i Spektroskopiya)
Том114
Номер выпуска1
DOI
СостояниеОпубликовано - 1 янв 2013
Опубликовано для внешнего пользованияДа

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

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