Table 2.
OPV performance metrics for representative high‐performance polymer donor:NFA photoactive blends. The charge mobility values were obtained from SCLC measurements
| BHJ system | FF (%) | PCE (%) | Hole mobility [cm2 V−1 s−1] | Electron mobility [cm2 V−1 s−1] | Thickness [nm] | EQE [%] |
|---|---|---|---|---|---|---|
| PBDB‐TF:IT‐4F4 | 80.8 | 14.6 | 2.1 × 10−4 | 1.8 × 10−4 | 110 | 79–82 |
| PDTB‐EF‐T:IT‐4F2 | 76.0 | 14.2 | 3.5 × 10−4 | 4.0 × 10−4 | 100 | 75–82 |
| PBDB‐TF:IT:4F9 | 77.0 | 13.7 | 5.9 × 10−4a) | – | 90 | 70–78 |
| PM6:IT‐4F39 | 72.5 | 13.5 | 9.8 × 10−4 | 7.2 × 10−4 | 100 | 80–84 |
| PBDB‐T‐SF:IT‐4F22 | 71.9 | 13.1 | 3.3 × 10−4 | 4.3 × 10−4 | 100 | 79–83 |
| PBDB‐TF:IDTN40 | 78.0 | 12.2 | 5.1 × 10−4 | 5.7 × 10−4 | 100 | 60–70 |
| PBDB‐T:NCBDT41 | 71.0 | 12.1 | 3.9 × 10−4 | 1.6 × 10−4 | 100 | 70–74 |
| J61:m‐ITIC42 | 70.6 | 11.8 | 1.5 × 10−4 | 1.3 × 10−4 | 120 | 70–80 |
| PvBDTTAZ:O‐IDTBR43 | 63.6 | 11.6 | 7.6 × 10−4 | 6.3 × 10−4 | 90 | 65–70 |
| PBDB‐T:IT‐M44 | 70.0 | 11.5 | 3.3 × 10−4 | 1.1 × 10−4 | 100 | 60–80 |
| FTAZ:INIC345 | 67.4 | 11.5 | 2.0 × 10−4 | 1.4 × 10−4 | 100 | 72–77 |
| PBDB‐T:ITCC46 | 71.0 | 11.4 | 2.1 × 10−4 | 6.7 × 10−4 | 110 | 75–78 |
| PBDBT:ITIC8 | 74.2 | 11.2 | 2.1 × 10−4 | 3.1 × 10−4 | 100 | 74–76 |
a)
charge mobility values (dominated by faster carrier) was obtained from photo‐CELIV measurements.