Apparent rate constant (κapp) values for methylene blue photodegradation under 1 sun conditions.
| Catalyst | κ app (min−1) |
|---|---|
| No catalyst | 0.0003 |
| TiO2 | 0.0062 |
| Ag/TiO2 | 0.0149 |
| Au–Ag/TiO2 | 0.0191 |
| Au/TiO2 | 0.0205 |
| Ag–Au/TiO2 | 0.0306 |
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