Table 2 Optical energy band gap, Urbach energy of PVC + x % BVO nanocomposite films.
From: Optical and radiation shielding properties of PVC/BiVO4 nanocomposite
Sample code | Egap (eV) | EUrbach (meV) | |
|---|---|---|---|
Direct | Indirect | ||
PVC | 4.12 | 4.16 | 78 |
PVC + 1% BVO | 4.10 | 4.15 | 81 |
PVC + 3% BVO | 4.09 | 4.13 | 117 |
PVC + 6% BVO | 4.05 | 4.08 | 170 |
