Fig. 9: Optical properties of 3.
a Absorption spectra of benzo[6,7]azepino[2,3-b]quinolines in DCM (10 μM). b, c Emission spectra of benzo[6,7]azepino[2,3-b]quinolines in DCM at room temperature (10 μM). d Emission spectra of 3r in solvents of different polarities.
