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Exciplex formation between a pair of synthesized AIEgens leads to white light generation: A spectroscopic exploration
A. Bhattacharyya,
Published in Royal Society of Chemistry
Volume: 44
Issue: 25
Pages: 10671 - 10680
Two compounds, namely 2-(1H-benzo[d]imidazol-2-yl)-6-methoxyphenol (BIMP) and (E)-ethyl 2-cyano-3-(pyren-3-yl)acrylate (ECPA), were synthesized and characterized. BIMP portrayed an interesting feature of aggregation promoted enhancement of excited state intramolecular proton transfer (ESIPT) in water. On the other hand, ECPA shows AIE emission in solution. Steady state spectroscopic studies revealed that the BIMP-ECPA ensemble in solution behaves as a white light emitter, where BIMP acts as a donor and ECPA as an acceptor. The mechanism operative behind the observed white light generation was revealed to be exciplex formation between BIMP and ECPA. The current report is the first example of white light generation from two synthesized AIEgens through exciplex formation and hence holds its own merit for a smart choice of synthesized compounds resulting in white light generation. This journal is © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.
About the journal
JournalData powered by TypesetNew Journal of Chemistry
PublisherData powered by TypesetRoyal Society of Chemistry