Fluorescence enhancement mechanism of thymolphthalein-based probe by coordination interaction with zinc ion
Journal of Molecular Liquids(2021)
摘要
•The electronic spectrum of T and its Zn(II) complex were assigned theoretically.•Intramolecular multi-proton transfer mechanisms have been proposed.•Fluorescent emission mechanism for the probes was simulated for the first time.•The fluorescent brightness enhancement induced by zinc ion was well explained.
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关键词
First-principles,ESIPT,Kasha’s rule,Fluorescence enhancement
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