Luminescence study of uranyl trimethyl acetate dihydrate and Stern-Volmer quenching constants with various substrates in dry and aqueous acetone

S. S. Sandhu, M. S. Sidhu, R. J. Singh

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Emission spectra of uranyl trimetyl acetate dihydrate have been recorded in the presence of trimethylacetic acid and sulphuric acid in dry acetone and in aqueous acetone respectively. The triplet state of the uranyl ion, with a vibronic structure, seems to be the emitting level. Stern-Volmer quenching constants for uranyl ion luminescence with R3P (R ≡ MeO, EtO, PhO, Ph and p-tolyl), R3As (R ≡ Ph and p-tolyl), trimethylacetic acid and water have been calculated. Quenching due to oxygen has been found to be almost absent.

Original languageEnglish (US)
Pages (from-to)251-259
Number of pages9
JournalJournal of Photochemistry and Photobiology, A: Chemistry
Volume42
Issue number2-3
DOIs
StatePublished - Apr 1988

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Physics and Astronomy(all)

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