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

Figure 6

TEM micrographs of TiO₂ nanoparticles extracted from the suspensions prepared (a) without ultrasonication, (b) with 40% amplitude ultrasonication, and (c) with addition of 3 wt.% dispersant.

(a)

(b)

(c)