Figure 4

(a) PL spectra of 1 in THF (20 μM) with addition of F− upon excitation at 365 nm. (b) Luminescent intensity of 1 in THF upon the addition of various anions (40 eq.). (c) 1H NMR spectral changes for 1 before and after addition of F−.

(a) PL spectra of 1 in THF (20 μM) with addition of F− upon excitation at 365 nm. (b) Luminescent intensity of 1 in THF upon the addition of various anions (40 eq.). (c) 1H NMR spectral changes for 1 before and after addition of F−.