Table 5.
EIS data obtained from measurements at a light intensity of 22 mW cm−2 of n-type DSCs containing FTO/TiO2 working electrodes, dye 1 and either electrolytes E2b, E2e or E2c (see Table 3 for compositions). Experimental values of JSC, VOC and η from Table 4 are included for convenience.
| Electrolyte | Rrec [Ω] | Cμ [μF] | Rtr [Ω] |
 [ms] |
 [ms] |
Ld [μm] | Rs [Ω] | RPt [Ω] | CPt [μF] | JSC [mA cm−2] | VOC [mV] | η [%] |
| E2b (no MBI) |
254.6 | 233.1 | 30.0 | 59.3 | 6.9 | 34.9 | 8.9 | 9.3 | 7.4 | 2.31 | 339 | 0.51 |
| E2e (0.01 M MBI) |
138.3 | 321.9 | 25.8 | 44.5 | 8.3 | 27.8 | 9.4 | 5.7 | 8.6 | 2.61 | 315 | 0.51 |
| E2c (0.1 M MBI) |
1830 | 306.7 | 25.3 | 561.3 | 7.8 | 102.1 | 9.5 | 7.7 | 8.1 | 0.69 | 395 | 0.18 |