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Femtosecond fluorescence up-conversion measurements (λexc = 400 nm) of compound DMA-QF in DMF. Panel (A): experimental 3D matrix reporting color-coded fluorescence intensity (FI) as a function of wavelength and time; Panel (B): representative emission spectra at different delay times and representative kinetics (inset) at different wavelengths together with steady-state emission (orange-shaded area); Panel (C): EAS (excited associated spectra) obtained by global analysis.
