Table 2 Absorption edge and energy band gap of TiO2/PVDF, Cu 0.1, Cu 0.5, and Cu 1 samples
Typical sample | Absorption edge (nm) | Energy band gap (eV) |
---|---|---|
TiO2/PVDF | 363 | 3.4 |
Cu 0.1 | 479 | 2.6 |
Cu 0.5 | 517 | 2.4 |
Cu 1 | 612 | 2.0 |
Typical sample | Absorption edge (nm) | Energy band gap (eV) |
---|---|---|
TiO2/PVDF | 363 | 3.4 |
Cu 0.1 | 479 | 2.6 |
Cu 0.5 | 517 | 2.4 |
Cu 1 | 612 | 2.0 |