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Photovoltaic parameters for the PTVT-T-based OSCs.
| Active layer | V OC (V) | J SC (mA cm−2) | J cal a (mA cm−2) | FF | PCEb (%) |
|---|---|---|---|---|---|
| PTVT-T:PC71BM | 0.83 | 12.78 (12.66 ± 0.01) | 12.34 | 0.68 | 7.25 (6.09 ± 0.02) |
| PTVT-T:IT-4F | 0.75 | 20.78 (20.75 ± 0.38) | 20.66 | 0.72 | 11.28 (11.02 ± 0.06) |
| PTVT-T:eC9 | 0.79 | 26.22 (26.09 ± 0.01) | 25.21 | 0.78 | 16.20 (16.01 ± 0.02) |
aIntegrated from EQE curves
bthe average PCE values were obtained from over 20 devices.
