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Parameters of VG21-C12-sensitized (un)treated NiO-based DSCs obtained from the fitting of the impedance spectra reported in Figure 5.
| Pretreatment time with NaOH (h) | Sens. time (h) | RCE (Ω) | Rt (Ω) | Rrec (Ω) | Cμ (mF) |
|---|---|---|---|---|---|
| 0 | 2 | 7.2 ± 0.3 | 72 ± 6 | 104 ± 2 | 0.43 |
| 2 | 2 | 6.8 ± 0.5 | 80 ± 5 | 134 ± 3 | 0.41 |
| 0 | 16 | 6.9 ± 0.3 | 54 ± 2 | 176 ± 6 | 0.38 |
| 2 | 16 | 6.6 ± 0.4 | 65 ± 3 | 322 ± 11 | 0.36 |
The relative error on Cμ is lower than 0.01 mF.
