Research Article

Photocatalytic Properties of Nanotubular-Shaped Powders with Anatase Phase Obtained from Titanate Nanotube Powder through Various Thermal Treatments

Figure 7

TEM photos for some samples in Figure 6; (a) 400°C for 30 min in H2, (b) 500°C for 10 min in H2, (c) 475°C for 30 min in air and (d) 500°C for 10 min in air atmosphere.
327821.fig.007a
(a)
327821.fig.007b
(b)
327821.fig.007c
(c)
327821.fig.007d
(d)