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Electrochemical parameters determined from LSV curves and Tafel plots.
| Electrode | Overpotential (mV) to achieve a current density of − 10 mA cm−2 | Onset potential (mV) |
b (mV dec−1) |
|---|---|---|---|
| TiO2NT/MoS2 | 484 | 459 | 77 |
| TiO2NT/MoS2/Pt | 366 | 370 | 159 |
| TiO2NT/Pt/MoS2 | 462 | 488 | 185 |
| TiO2NT/Pt/MoS2/Pt | 388 | 437 | 276 |
| Pt disk | 98 | 82 | 38 |
| Ni disk | 676 | 678 | 171 |
| TiO2NT/MoS2/Ni | 503 | 459 | 63 |
| TiO2NT/Ni/MoS2 | 476 | 425 | 137 |
| TiO2NT/Ni/MoS2/Ni | 634 | 592 | 63 |
| TiO2NT | 926 | 872 | 229 |
