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Luminescence properties of the pyridinedicarboxylate-Tb(III) complexes (24 mg/L) in Tris-HCl buffer (pH 7.4).
| Complex | λex (nm) | Assignment | λem (nm) | Assignment |
|---|---|---|---|---|
| TbDPC | 225 | π ⟶ π∗ | 490 | 5D4 ⟶ 7F6 |
| 270 | π ⟶ π | 545 | 5D4 ⟶ 7F5 | |
| 585 | 5D4 ⟶ 7F4 | |||
| 622 | 5D4 ⟶ 7F3 | |||
|
| ||||
| Tb(DPC)3 | 225 | π ⟶ π∗ | 490 | 5D4 ⟶ 7F6 |
| 270 | π ⟶ π | 545 | 5D4 ⟶ 7F5 | |
| 585 | 5D4 ⟶ 7F4 | |||
| 622 | 5D4 ⟶ 7F3 | |||
Emission spectra at λex = 270 nm and λob = 545 nm; emission and excitation slit widths: 5 nm; PMT voltage: 400 V.
