Table 2.
Summary of the results obtained by fitting the Nyquist plots with the corresponding EC model at 1.813 V vs. RHE for Co-OEC/(AuNP/TNP)n photoanodes under 1 sun and in the dark.
| Electrical components | n = 10.5 | n = 15.5 | n = 20.5 | n = 25.5 | ||||
|---|---|---|---|---|---|---|---|---|
| dark | 1 sun | dark | 1 sun | dark | 1 sun | dark | 1 sun | |
| Rs | 47.05 | 47.07 | 53.42 | 47.91 | 46.50 | 45.74 | 51.10 | 50.63 |
| CPE (CE) (×105) | 2.40 | 2.34 | ||||||
| Rct (CE) | 54.04 | 54.49 | ||||||
| CPE (WE) (×105) | 1.25 | 1.27 | 1.05 | 1.07 | 0.00292 | 0.00283 | 2.00 | 2.07 |
| Rct (WE) | 990.90 | 974.70 | 274.90 | 265.83 | 121.50 | 105.30 | 95.18 | 87.34 |
| Ws | 636.77 | 588.83 | 354.93 | 323.27 | 127.95 | 105.80 | 147.17 | 134.47 |