Figure 14

(A) Fluorescence spectra (concentration: 500 nm) of 3c in different solvent, (B) Fluorescence spectra of 10 μM solution of 3b in different pH-buffer solution.
(A) Fluorescence spectra (concentration: 500 nm) of 3c in different solvent, (B) Fluorescence spectra of 10 μM solution of 3b in different pH-buffer solution.