Table 3. XPS Results of V2O5, 13V2O5/g-C3N4, and 13V2O5/TiO2.
V 2p3/2 peaks |
O 1s peaks |
|||||
---|---|---|---|---|---|---|
catalysts | V4+ (eV) | V5+ (eV) | V4+/V5+ | Oads (eV) | Olat (eV) | Oads/Olat |
V2O5 (300 °C) | 516.8 | 517.9 | 0.85 | 532.1 | 530.8 | 0.73 |
V2O5 (550 °C) | 516.4 | 517.5 | 0.38 | 532.6 | 530.3 | 0.49 |
13V2O5/g-C3N4 | 516.1 | 517.2 | 1.76 | 532.6 | 530.8 | 1.84 |
13V2O5/TiO2 (300 °C) | 517.8 | 518.9 | 1.11 | 532.5 | 531.0 | 1.13 |
13V2O5/TiO2 (550 °C) | 516.5 | 517.6 | 0.57 | 531.4 | 530.4 | 0.58 |