Table 1 Photovoltaic parameters of the optimal binary OSCs based on PTB7-Th:BTPV-4F (1:1.5, w/w) and ternary OSCs based on PTB7-Th:BTPV-4F (1:1.5:0.15, w/w/w) under the illumination of AM1.5 G, 100 mW cm−2.
Active layer | Voc (V) | Jsc (mA cm−2) | FF (%) | PCEa (%) | Integrated Jsc from EQE (mA cm−2) |
|---|---|---|---|---|---|
PTB7-Th:BTPV-4F | 0.65 (0.65 ± 0.01) | 28.3 (27.6 ± 0.6) | 65.9 (65.0 ± 1.1) | 12.1 (11.8 ± 0.3) | 27.83 |
PTB7-Th:BTPV4F:PC71BM | 0.67 (0.67 ± 0.01) | 28.9 (28.2 ± 0.5) | 69.3 (68.1 ± 0.9) | 13.4 (13.0 ± 0.2) | 28.31 |
