Table 1 Variation of ip, ΔG, ρ and σ with Load.
Scan rate (mV/s) | Load (MΩ) | Peak current, ip (µA) (From CV data) | ΔG (eV) | Rct (Ω) | Resistivity, ρ (Ω m) | Conductivity, σ (mS m−1) |
|---|---|---|---|---|---|---|
10 | 1.81 | − 5.52 | 1.19 | 2.33 | 1162.96 | 0.86 |
20 | 2.21 | − 9.07 | 1.17 | 1.42 | 707.77 | 1.41 |
50 | 3.85 | − 13.0 | 1.16 | 0.99 | 493.81 | 2.03 |
100 | 5.13 | − 19.5 | 1.15 | 0.66 | 329.21 | 3.04 |
150 | 7.35 | − 20.4 | 1.15 | 0.63 | 314.68 | 3.18 |
200 | 8.00 | − 25.0 | 1.15 | 0.51 | 256.78 | 3.89 |
