Research Article
Enhanced Solar Photoelectrochemical Conversion Efficiency of ZnO:Cu Electrodes for Water-Splitting Application
Table 2
Photocurrent density, band gap, and flat band potential of undoped and ZnO films.
| | (Cu2+) initial content (μM) | Photocurrent density (μA/cm2) | Band gap (eV) | Flat band potential (Volts versus SCE) |
| | 0 | 48 | 3.25 | −0.367 | | 0.1 | 203 | 3.23 | −0.415 | | 0.3 | 350 | 3.23 | −0.388 | | 1.3 | 350 | 3.17 | −0.358 | | 26.4 | 15 | 3.08 | −0.426 |
|
|
