(a)

(b)

(c)

(d)

(e)

(f)

Figure 1: HR-TEM images of the various TiO2 materials. (a) and (b): P25. (c) and (d): 1077. (e) and (f): Orosei Active. (a), (c), and (e) refer to low magnification, here as (b), (d), and (f) to high magnification.