Figure 7.

Emission spectra of all regioisomers of benzo[g]coumarins in solid-state. Powder samples were excited at 320 nm (except of 9BgCoum—λex = 400 nm).

Emission spectra of all regioisomers of benzo[g]coumarins in solid-state. Powder samples were excited at 320 nm (except of 9BgCoum—λex = 400 nm).