Table 1.
Photovoltaic parameters of the optimized OSCs with different BHJ films
| Device | Voc (V) | Jsca (mA/cm2) | Jsccal b (mA/cm2) | FF (%) | PCE (%) | PCEc (%) |
|---|---|---|---|---|---|---|
| D18:S9SBH-F | 0.833 | 29.65 | 28.18 | 76.68 | 18.9 | 18.5 |
| D18:S9S3B-F | 0.800 | 29.50 | 28.03 | 70.30 | 16.6 | 16.2 |
| D18:S9SHO-F | 0.835 | 29.68 | 28.20 | 77.39 | 19.2 | 18.9 |
| D18:S9SHN-F | 0.824 | 28.94 | 27.50 | 77.55 | 18.5 | 18.1 |
| D18:L8-BO | 0.906 | 26.49 | 25.23 | 79.35 | 19.1 | 18.7 |
| D18:L8-BO:S9SHO-F | 0.884 | 28.85 | 27.42 | 80.06 | 20.4 | 19.9 |
| D18:L8-BO:S9SHO-F | 0.883d | 28.78d | - | 78.22d | 19.88d | - |
aJsc is calculated based on the J–V curves of OSCs.
bJsc is calculated based on the EQE spectra of OSCs.
cAverage PCE of six devices.
dCertified by the National Center of Inspection on Solar Photovoltaic Product Quality, China.