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

Figure 5

SEM images of as-prepared one-step APA sample (a) and samples treated at 100°C for 10 min in HQ solutions of different concentrations: 1 mM (b), 3 mM (c), 5 mM (d), 7 mM (e), and 10 mM (f).

(a)

(b)

(c)

(d)

(e)

(f)