Intramolecular electron transfer in 4-(dialkylamino)pyrimidines. Study in solutions and supersonic jet

Jerzy Herbich, F. Perez Salgado, Jerzy Karpiuk

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The dual fluorescence (a andb) of 4-(dialkylamino)pyrimidines (4-DAAP) in solutions is explained in terms of the TICT state model. 4-DAAP form complexes with protic solvents: efficient radiationless depopulation is “switched on” by hydrogen bonding (HB). The photoinduced electron transferMicrosolvation of pretwistedo-methylated compoundsIII andIV by small polar molecules, contrary to more planarI andII, gives rise to the long-wave (probably TICT) fluorescence.
Original languageEnglish
Pages (from-to)117-131
Number of pages15
JournalProceedings of the Indian Academy of Sciences - Section A
Volume104
Issue number2
DOIs
Publication statusPublished - Apr 1992
Externally publishedYes

Keywords

  • CHEMISTRY
  • Physics
  • electron transfer
  • supersonic jet
  • charge transfer
  • polar molecules
  • luminescence
  • fluorescence
  • lasers

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