Table 4.
λonset and band gap from UV-Vis (UltraViolet-Visible) spectra of samples 1–8 and P25.
| Samples | λonset (nm) | Band gap (eV) |
|---|---|---|
| 1 | 362 | 3.41 |
| 2 | 363 | 3.42 |
| 3 | 388 | 3.18 |
| 4 | 359 | 3.44 |
| 5 | 351 | 3.53 |
| 6 | 361 | 3.43 |
| 7 | 354 | 3.47 |
| 8 | 349 | 3.55 |
| P25 | 361 | 3.44 |
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