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Photovoltaic parameters of surface-treated Sn-based PSCs.
| Surface treatment | JSC (mA cm–2) | VOC (V) | FF | PCE (%) |
|---|---|---|---|---|
| EDA | 20.5 | 0.68 | 0.66 | 9.2 |
| EDA & PC61BM | 22.0 (21.5 ± 0.9) | 0.76 (0.69 ± 0.05) | 0.69 (0.70 ± 0.02) | 11.5 (10.2 ± 0.8) |
Average values for 30 cells given in parenthesis.
