catalyst | Ti3+ | Ti4+ | ||
B.E. (eV) | Fraction (%) | B.E. (eV) | Fraction (%) | |
0.5Ag/TiO2 | 457.3 | 3.84 | 459.0 | 97.16 |
1Ag/TiO2 | 457.9 | 8.41 | 458.9 | 91.59 |
1.5Ag/TiO2 | 457.7 | 7.08 | 459.0 | 92.92 |
2Ag/TiO2 | 457.6 | 4.57 | 458.9 | 95.43 |