Fig. 6: Fluorescence characterisation.

a 3D and b 2D fluorescent spectra of pyromellitic acid and OCP with incorporated pyromellitate ions (Pyro5_pH6.0). The intensities in these spectra were normalised.

a 3D and b 2D fluorescent spectra of pyromellitic acid and OCP with incorporated pyromellitate ions (Pyro5_pH6.0). The intensities in these spectra were normalised.