Closely diffusing O-H, amide N-H and methylene C-H oscillators quench the excited state of europium complexes in solution

  • Rachel S. Dickins
  • , David Parker
  • , Alvaro S. De Sousa
  • , J. A.Gareth Williams

Research output: Contribution to journalJournal articlepeer-review

96 Citations (Scopus)

Abstract

In octadentate complexes of europium(III) based on 1,4,7,10-tetraazacyclododecane, deuteriation studies and measurements of excited state lifetimes in solution reveal that amide N-H and methylene C-H oscillators afford an intramolecular vibronic deactivation pathway of the excited Eu 5D0 emissive state which, coupled with a reassessment of the effect of intermolecular OH oscillator quenching, allows more accurate estimates of complex solvation state, q, to be made.

Original languageEnglish
Pages (from-to)697-698
Number of pages2
JournalChemical Communications
Issue number6
DOIs
Publication statusPublished - Mar 1996

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