Table 2.
Optical Data recorded at room temperature in dichloromethane for BTI, T1, T2, and T3 unless otherwise mentioned.
| Compound | λmax (nm) | ε (M−1 cm−1) | λonset (nm) | Egopt (eV) | λem (nm) | φFa | τobs (ns) | φΔb |
|---|---|---|---|---|---|---|---|---|
| BTI | 455 | 22200 | 510 | 2.43 | 502 | 0.99 | 7.48 | 0 |
| T1 | 508 | 26600 | 580 | 2.13 | − | − | − | 1.00 |
| T2 | 513 | 25700 | 592 | 2.09 | − | − | − | 0.98 |
| T3 | 571 | 19000 | 684 | 1.81 | − | − | − | 0.78 |
aMeasured using Coumarine-153 as reference (φF = 0.45 in MeOH).
bOptical data recorded in deuterated chloroform, Phenalenone used as a reference (φΔ = 0.95 in chloroform).