Research Article
Characterization and Photocatalytic Activity of Enhanced Copper-Silica-Loaded Titania Prepared via Hydrothermal Method
Figure 6
FTIR spectra of TiO2-25% SiO2 oxide powder prepared at various pH values: (a) pure TiO2 (pH 3), (b) pH 3, (c) pH 5, (d) pH 7, (e) pH 9, and (f) pH 12. ▲ indicates absorption bands at 960 cm−1, which is characteristic of Ti-O-Si bonding.
