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Absorption and emission spectra of compounds DMA-QP (top), DMA-QF (middle), and DMA-QT (bottom) in solvents of different polarity and polarizability. (Tol—toluene; An—anisole; EtOAc—ethyl acetate; DCE—1,2-dichloroethane; DMF—dimethylformamide; EtOH—ethanol; AcCN—acetonitrile).
