Table 3.
I–V parameters of the PSCs with sintered Li-doped ETLs. The hold time at the maximum temperature in the sintering was 15 min and 1 h. The hysteresis index (HI) of I–V curves is also presented.
| Voc (mV) | Jsc (mA/cm2) | FF | PCE (%) | HI (%) | |
|---|---|---|---|---|---|
| R-Without doping (15 min.) | 759 | 23.8 | 0.63 | 11.4 | 4.4 |
| F-Without doping (15 min.) | 725 | 23.8 | 0.63 | 10.9 | |
| R-Without doping (1 h.) | 995 | 23.8 | 0.60 | 14.2 | 5.6 |
| F-Without doping (1 h.) | 960 | 23.8 | 0.57 | 13.0 | |
| R-Li-1mol% (15 min.) |
936 | 24.8 | 0.56 | 12.9 | 16.3 |
| F-Li-1mol% (15 min.) |
887 | 24.8 | 0.49 | 10.8 | |
| R-Li-1mol% (1 h.) |
1038 | 23.3 | 0.63 | 15.3 | 13.1 |
| F-Li-1mol% (1 h.) |
980 | 24.1 | 0.56 | 13.3 | |
| R-Li-5mol% (15 min.) |
997 | 25.0 | 0.55 | 13.8 | 16.0 |
| F-Li-5mol% (15 min.) |
963 | 24.8 | 0.48 | 11.6 | |
| R-Li-5mol% (1 h.) |
1031 | 24.2 | 0.62 | 15.5 | 5.2 |
| F-Li-5mol% (1 h.) |
1002 | 24.4 | 0.60 | 14.7 |