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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