Effect of the Steam Activation Thermal Treatment on the Microstructure of Continuous TiO₂ Fibers

Figure 5

TEM ((a), (c), (e)) and HR-TEM ((b), (d), (f)) images of the continuous TiO₂ fibers calcined 300°C (a) (b); 500°C (c) (d); 700°C (e) (f) using steam activation for 90 min.

(a)

(b)

(c)

(d)

(e)

(f)