Photocatalytic Properties of Nanotubular-Shaped TiO_𝟐 Powders with Anatase Phase Obtained from Titanate Nanotube Powder through Various Thermal Treatments

Figure 1

X-ray diffraction patterns (a) and Raman spectra (b) of the calcined powders with different temperatures in O₂ atmosphere for 30 min.

(a)

(b)