Spectral properties and modeling of knightletin, a novel aminocoumarin with intramolecular hydrogen bonding

Leah H. Knoor,Liam P. Hoogewerf,Isaac B. Jonker,Elizabeth A. Doty,George R. Du Laney,Ronald L. Blankespoor,Mark A. Muyskens

Journal of Photochemistry and Photobiology A: Chemistry（2023）

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摘要

•A novel aminocoumarin (6-hydroxy-7-amino-4-methylcoumarin) with synthesis details.•Steady-state and time-resolved fluorescence in three solvents.•The fluorescence quantum yield is higher than the commercial laser dye, coumarin 120.•DFT/TD-DFT modeling to support the experimental results.•Comparison to Coumarin 120, DAMC and aesculetin.

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关键词

Substituted coumarin,Quantum yield,Stokes shift,Fluorescence lifetime

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