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Summary of device parameters of SD and BC OSCs.
| Device | Voc (V) | Jsc (mA cm−2) | FF (%) | PCE (%) (average)a |
|---|---|---|---|---|
| SD (as-cast) | 0.87 | 24.7 (24.2)b | 57.6 | 12.4 (12.3 ± 0.1) |
| SD (optimum) | 0.83 | 26.7 (26.2) | 74.4 | 16.5 (16.3 ± 0.2) |
| BC (optimum) | 0.83 | 26.3 (25.6) | 68.9 | 15.0 (14.8 ± 0.2) |
| SD (optimum) | 0.81 | 26.3 | 75.1 | 16.1c |
aThe average parameters were calculated from 10 independent cells.
bEQE values.
cCertified by National Institute of Metrology, China (NIM).
