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Exploring the hidden potential of a methoxy substituted HBT derivative as an efficient example of coupling of AIE and ESIPT processes and as an energy harvesting platform
A. Bhattacharyya, S.C. Makhal, S. Kumar Mandal,
Published in Royal Society of Chemistry
Volume: 43
Issue: 38
Pages: 15087 - 15096
A methoxy substituted HBT derivative, namely 2-(benzo[d]thiazol-2-yl)-6-methoxyphenol (TMP), was synthesized and characterized. Detailed photophysical investigation of TMP indicated the coupling of excited state intramolecular proton transfer (ESIPT) and aggregation induced emission (AIE). Crystal structure analysis along with theoretical calculations on TMP showed equal preference of the proton to form hydrogen bonds with methoxy oxygen and the benzothiazole N atom, which is responsible for the observed AIE. TMP could be used as an efficient energy harvesting platform with rhodamine-B dye in aqueous solution, owing to Förster Resonance Energy Transfer (FRET) between the two. Finally, TMP can serve as an efficient probe for selective detection of sulfide in pure aqueous solution as well as in the solid state. © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique 2019.
About the journal
JournalData powered by TypesetNew Journal of Chemistry
PublisherData powered by TypesetRoyal Society of Chemistry