Table 3. Biased photoelectrochemical performance of TiO2 electrodes sensitised with the PMI dyes in presence of an ED and recorded under a 2 W m–2 white light a .
| Dye |
J (mA cm–2) |
|
| AA (pH 4.5) Eapp = 0.24 V vs. NHE | TEOA (pH 8.5) Eapp = 0.64 V vs. NHE | |
| PMI-CO2H | 0.38 | 0.025 |
| PMI-Acac | 0.24 | 0.009 |
| PMI-PO3H2 | 0.26 | 0.024 |
| PMI-HQui | 0.80 | 0.017 |
| PMI-DPA | 0.50 | 0.018 |
aGeneral conditions: aqueous electrolyte, ED = AA or TEOA, 2 W m–2 white light irradiation (see ESI for details).