Fig. 10. Fluorescence spectra of acetone solutions of PD 5 (c = 3.3 μM) with the stepwise addition of 10 μL aliquots of the aqueous Au-NP dispersion up to a total of 100 μL (excitation wavelength = 428 nm) (see Fig. S14 in ESI† for the fluorescence spectra of PD 6).