Table 3: The parameters used to fit the EIS Nyquist plots of the three devices in Figure 9.

TiO2 electrodeT20T20 + RSPT37 + T20 + RSP

(ohm)19.8721.0220.14
(ohm)15.1914.9715.12
CPEPt (Q/α)1.66 × 104/0.731.50 × 104/0.721.61 × 104/0.78
(ohm)43.3234.3532.24
(F)1.15 × 10−41.39 × 10−47.63 × 10−5