Excited state chemistry of flavone derivatives in a confined medium: ESIPT emission in aqueous media

Fabiano S. Santos, Elamparuthi Ramasamy, V. Ramamurthy, Fabiano S. Rodembusch

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

The excited state behavior of two flavone derivatives 3-hydroxyflavone and 4′-N,N-diethylaminoflavonol in a confined medium indicates that supramolecular effects could alter the nature of the fluorescence emission. Within the octa acid host the neutral unionized species of these two dyes are present showing large Stokes shifted emission due to intramolecular proton transfer, a pattern different from that in aqueous medium.

Original languageEnglish (US)
Pages (from-to)992-996
Number of pages5
JournalPhotochemical and Photobiological Sciences
Volume13
Issue number7
DOIs
StatePublished - Jul 2014

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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