Table 2.
Hole mobility and electron mobility of PM6:BTP-eC9 and PM6:BTP-eC9:L8-BO-F devices with different thicknesses.
| Active layer | Thickness (nm) |
Hole mobility a (×10−4 cm2 V−1 s−1) | Electron mobility (×10−4 cm2 V−1 s−1) |
µh/µe |
|---|---|---|---|---|
| PM6:BTP-eC9 | 120 ± 10 | 7.19 (6.96 ± 0.25) | 5.38 (5.15 ± 0.25) | 1.34 |
| 300 ± 10 | 9.40 (9.19 ± 0.23) | 6.26 (6.01 ± 0.26) | 1.50 | |
| 500 ± 10 | 11.10 (10.83 ± 0.28) | 6.35 (6.13 ± 0.24) | 1.75 | |
| PM6:BTP-eC9:L8-BO-F | 120 ± 10 | 8.33 (8.06 ± 0.26) | 6.67 (6.39 ± 0.26) | 1.26 |
| 300 ± 10 | 11.85 (11.59 ± 0.24) | 8.51 (8.33 ± 0.20) | 1.39 | |
| 500 ± 10 | 13.54 (13.33 ± 0.20) | 8.55 (8.30 ± 0.22) | 1.58 | |
| PM6:BTP-eC9:L8-BO-F (LBL) | 120 ± 10 | 8.50 (8.22 ± 0.27) | 6.75 (6.50 ± 0.27) | 1.26 |
| 300 ± 10 | 12.33 (12.18 ± 0.25) | 9.04 (8.82 ± 0.20) | 1.36 | |
| 500 ± 10 | 14.00 (13.80 ± 0.23) | 9.10 (8.91 ± 0.21) | 1.54 |
aAverage values with standard deviation were obtained from 20 devices.