Table 1 Effect of annealing conditions on different photoluminescent emission peaks of TiO2
From: Tunable Nanostructures and Crystal Structures in Titanium Oxide Films
Annealing conditions | 700 °C | 1100 °C | 1200 °C | Peak shift in PL emission | ||||
|---|---|---|---|---|---|---|---|---|
PL peak | λ (nm) | E (eV) | λ (nm) | E (eV) | λ (nm) | E (eV) | ∆λ (nm) | ∆E (eV) |
UV | 414.43 | 2.985 | 417.00 | 2.974 | 422.24 | 2.937 | 7.81 | 0.048 |
Blue | 470.50 | 2.636 | 483.65 | 2.564 | 483.13 | 2.567 | 2.63 | 0.072 |
Green | 518.48 | 2.392 | 525.01 | 2.362 | 526.94 | 2.354 | 7.46 | 0.038 |