Formation of Flower-Like Crystals of Tris(8-hydroxyquinoline)aluminum from 8-Hydroxyquinoline on Anodic Porous Alumina

Figure 6

PL spectra of as-prepared APA sample (a) and the samples treated in HQ solutions at 100°C for 10 min with different concentrations: 1 mM (b); 3 mM (c); 5 mM (d); 7 mM (e); and 10 mM (f). The excitation wavelength was 370 nm.