Table 3.
Analysis of hydrogen peroxide photoelectrocatalytic production rate in 0.5 M NaHCO3. Case of the binary semiconductor photoanode.
| Time | H2O2 Conc. | H2O2 Mass | Corresp. Molarity | Molar Rate | Equivalent Current | Current at Time | Average Current | Faradaic Efficiency |
|---|---|---|---|---|---|---|---|---|
| (min) | (mg/L) | (mg) | (μmol) | (μmol/min) | (mA) | (mA) | (mA) | % |
| 0 | 0 | 0 | 0 | – | – | 3.8 | – | – |
| 15 | 113 | 0.57 | 16.7 | 1.11 | 3.56 | 3.4 | 3.6 | 99 |
| 30 | 247 | 1.23 | 36.3 | 1.21 | 3.89 | 3.2 | 3.5 | 111 |
| 47 | 415 | 2.07 | 61.0 | 1.30 | 4.17 | 3.2 | 3.5 | 119 |
| 60 | 556 | 2.78 | 81.8 | 1.36 | 4.38 | 3.2 | 3.5 | 125 |
| 75 | 728 | 3.64 | 107 | 1.43 | 4.59 | 3.2 | 3.5 | 131 |
| 95 | 944 | 4.72 | 139 | 1.46 | 4.69 | 3.2 | 3.5 | 134 |