Influence of Nd-Doping on Photocatalytic Properties of TiO₂ Nanoparticles and Thin Film Coatings

Figure 5

SEM images of (a) TiO₂, (b) TiO₂:Nd (1 at. %), (c) TiO₂:Nd (3 at. %), and(d) TiO₂:Nd (6 at. %) nanoparticles.

(a)

(b)

(c)

(d)