Table 2.
Key photophysical parameters governing radiative and nonradiative decay pathways in BDP-TPE derivatives.
| BDP-TPE-1 | kr (s-1) |
 (s-1) |
 (s-1) |
µfl. (debye) |
ΔE‡ (kcal/mol) |
ΔG (eV) | V (eV) | SM | λl (eV) |
λtotal (eV) | Φf (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.21 × 108 | 1.02 × 109 | 4.0 × 10− 6 | 4.42 | 24.8 | 1.86 | 0.077 | 0.52 | 0.77 | 0.84 | 11 | |
| BDP-TPE-2 | 7.39 × 107 | 2.67 × 108 | 0.33 | 12.7 | 18.1 | 2.00 | 0.0038 | 0.65 | 0.086 | 0.20 | 22 |
| BDP-TPE-3 | 1.73 × 108 | 1.57 × 109 | 1.0 × 10− 13 | 13.0 | 35.2 | 1.88 | 0.076 | 0.84 | 0.24 | 0.43 | 10 |
| BDP-TPE-4 | 4.61 × 107 | 1.26 × 109 | 7.3 × 10− 48 | 13.5 | 81.4 | 1.79 | 0.080 | 0.76 | 0.29 | 0.45 | 3.5 |
| BDP-TPE-5 | 2.32 × 107 | 1.46 × 1010 | 6.6 × 10− 30 | 9.93 | 56.8 | 1.66 | 0.062 | 1.33 | 0.31 | 0.60 | 0.16 |
| BDP-TPE-6 | 2.62 × 108 | 1.71 × 1010 | 9.4 × 10− 32 | 6.96 | 59.5 | 1.48 | 0.082 | 1.84 | 1.10 | 1.44 | 1.51 |