(a)
(b)
Figure 3: (a) Emission spectra of the eight Zn complexes (3.0 × 10−5 M). (b) Emission spectra of BSA (1.0 × 10−5 M) and Complex 5 (2.1 × 10−5 M). = 280 nm. Excitation and emission slit widths were both set at 4.0 nm.