Research Article

The Effect of Calcination Temperature on Structure and Photocatalytic Properties of WO3/TiO2 Nanocomposites

Figure 2

The DR/UV-Vis spectra of WO3/TiO2 with different amounts of ammonium metatungstate (a), WO3/TiO2 calcinated at 400, 500, 600, 700, and 800°C for TiO2 modified with AmT (b), determination of indirect interband transition energies for TiO2 modified with commercial WO3 (c), and the DR/UV-Vis spectra of pure TiO2 calcinated at 400°C and 800°C and WO3/TiO2 powders with the highest intensity of visible light absorption (d).
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