Dispersion and Stabilization of Photocatalytic TiO₂ Nanoparticles in Aqueous Suspension for Coatings Applications

Figure 7

Photos of TiO₂ nanoparticle suspensions on (a) day 1, (b) week 1, (c) week 2, (d) week 3, (e) week 4, (f) week 5, (g) week 6, and (h) week 8.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)