Table 1.
Best-fit parameters from fitting the EIS data in Figure 4c to an equivalent circuit model (ECM).
Specific capacitances and resistances were determined after normalization by the geometric electrode surface area (a = 0.32 cm2) and multiplication by the roughness factor (β = 1.4).
| ECM parameters | As-prepared bilayer (DOPC/DOPS = 7:3) | Bilayer + PlyCB (480 nM) |
|---|---|---|
| Rsol (Ω) | 129.0 ± 0.2 | 106.0 ± 0.3 |
| Cstray (nF) | 7.0 ± 0.1 | 13.0 ± 0.3 |
| Cmem (μF/cm2) | 0.710 ± 0.002 | 0.739 ± 0.004 |
| Rdef (kΩ cm2) | 60.20 ± 0.06 | 43.98 ± 0.12 |
| CPEdef (μF/cm2) | 8.17 ± 0.06 | 8.97 ± 0.12 |
| αdef | 0.925 ± 0.003 | 0.870 ± 0.006 |