Table 2.
Highest amounts of hydrogen production via water splitting obtained with Au@ZnO–graphene catalysts under UV–vis light.
| Author | H2 Production (μmol) | Source (nm) | Irradiation Time (h) | ZnO Crystal Structure * | Reaction Mixture |
Au (wt.%) |
Graphene (wt.%) |
|---|---|---|---|---|---|---|---|
| This work ZnO commercial | 709 | 200 > λ > 400 | 2 | W | Water: 0.5 M Na2S, 0.03 M Na2SO3 | 10 | 1 |
| This work ZnO NPs | 759 | 200 > λ > 400 | 2 | W | Water: 0.5 M Na2S, 0.03 M Na2SO3 | 10 | 1 |
| This work ZnO NWs | 1127 | 200 > λ > 700 | 2 | W | Water: 0.5 M Na2S, 0.03 M Na2SO3 | 10 | 1 |
* W = Wurtzite.