Computed exciton binding energy (Eb) of BDTC1–BDTC7.
| Comp. | E H–L (eV) | E opt (eV) | E b (eV) |
|---|---|---|---|
| BDTC1 | 4.478 | 3.328 | 1.150 |
| BDTC2 | 4.504 | 3.417 | −0.295 |
| BDTC3 | 4.374 | 3.261 | 1.113 |
| BDTC4 | 4.360 | 3.253 | −0.211 |
| BDTC5 | 4.546 | 3.435 | 1.111 |
| BDTC6 | 4.058 | 3.239 | 0.334 |
| BDTC7 | 3.583 | 2.761 | 0.822 |