Table 2 Bandgap energies for various semiconductors (Serpone and Pelizzetti 1989; Schiavello and Sclafani 1989; Sakthivel et al. 2000)
From: A comprehensive review on textile wastewater treatment by coupling TiO2 with PVDF membrane
Semiconductor | Bandgap energy (eV) | Semiconductor | Bandgap energy (eV) |
|---|---|---|---|
Diamond | 5.4 | WO3 | 2.76 |
CdS | 2.42 | Si | 1.17 |
ZnS | 3.6 | Ge | 0.744 |
ZnO | 3.436 | Fe2O3 | 2.3 |
TiO2 | 3.03 | PbS | 0.286 |
CdS | 2.582 | PbSe | 0.165 |
SnO2 | 3.54 | ZrO2 | 3.87 |
CdSe | 1.7 | Cu2O | 2.172 |