Table 3.
TON and faradic efficiencies (η) upon CPE (applied potential E in V vs. Ag/AgCl) of solutions of manganese and rhenium complexes (0.5 mM) in 0.1 M TBAPF6/MeCN in the presence of Brønsted acids (5%v).
| Complex | E [V] | T [min] | acid [5%] | TONCO | ηCO [%] | TONH2 | ηH2 [%] |
|---|---|---|---|---|---|---|---|
| Mnbpy(CO)3Br | −1.6 | 240 | H2O | 13 | 100 | – | – |
| 1d | −1.5 | 420 | H2O | 26 | 84 | 1.7 | 16 |
| 1e | −1.5 | 300 | H2O | 12 | 72 | 2.3 | 10 |
| 1f | −1.5 | 300 | H2O | 13 | 64 | 3 | 20 |
| 1g | −1.95 | 120 | – | 3.5 | 85 | – | – |
| 1g | −1.95 | 300 | H2O | 13 | 90 | – | – |
| Rebpy(CO)3Cl | −1.85 | 180 | MeOH | 15 | 80 | – | – |
| 2d | −1.8 | 180 | MeOH | – | – | – | – |
| 2e | −1.7 | 300 | MeOH | 5 | 56 | – | – |
| 2f | −1.7 | 240 | – | 5 | 64 | – | – |
| 2f | −1.7 | 300 | MeOH | 15 | 86 | – | – |
| 2g | −2 | 420 | – | 17.6 | 100 | – | – |
| 2g | −2 | 600 | MeOH | 31.5 | 100 | – | – |