Table 3. Photophysical Parameters and BCPL Values of CPL-Active Eu(III) and Tb(III) Complexes Investigated in This Work.
| complex | ε (M–1 cm–1) [λabs (nm)] | ϕovl (%) | |glum| [λ (nm)] | BCPL (M–1 cm–1)a |
|---|---|---|---|---|
| [Eu(bpcd)(tta)] | 17000 (350) | 26 | 0.26 (586) | 13.2 |
| 0.13 (595) | 7.8 | |||
| 0.02 (615) | 22.3 | |||
| [Eu(bpcd)(Coum)] | 12000 (318) | 7 | 0.06 (596) | 1.4 |
| 0.01 (614) | 2.0 | |||
| 0.01 (624) | 0.8 | |||
| [Tb(bpcd)(Coum)] | 12000 (313) | 55 | 0.05 (537) | 11.7 |
| 0.02 (547) | 12.0 | |||
| 0.04 (555) | 6.9 |
a
Calculated according to a modified formula (see the Supporting Information for more details).