Table 2 Optical band gaps of as-deposited and annealed VO-MO films due to VO2, V2O5, and MoO3 phases.
Thickness (nm) | VO2 (eV) | V2O5 (eV) | MoO3 (eV) | |||
---|---|---|---|---|---|---|
As-deposited | Annealed | As- deposited | Annealed | As- deposited | Annealed | |
21 | 0.7 | 0.69 | 2.8 | 2.7 | 3.46 | 3.3 |
130 | 0.68 | 0.68 | 2.68 | 2.56 | 3.45 | 3.4 |
326 | 0.65 | 0.64 | 2.61 | 2.52 | 3.3 | 3.36 |
382 | 0.62 | 0.6 | 2.56 | 2.5 | 3.15 | 3.15 |
430 | 0.58 | 0.6 | 2.5 | 2.5 | 3.18 | 3.1 |
475 | 0.6 | 0.56 | 2.5 | 2.46 | 3.07 | 3 |