Table 3. Emission Data of C2-Symmetrical Complexes (OC-6-33)-[PtCl2(C∧N)2].
| C∧N | mediuma | λem (nm)b | Φc | τ (μs)d | kr × 10–3 (s–1)e | knr × 10–3 (s–1)f |
|---|---|---|---|---|---|---|
| dfppy | CH2Cl2 | 440, 470, 506 (sh) | 0.058 | 44 | 1.3 | 21 |
| PMMA | 439, 469, 500 (sh) | 0.21 | 76.6 (29%), 218 (71%) | |||
| ppyg | CH2Cl2 | 450, 481, 509 (sh) | 0.11 | 27 | 4.1 | 33 |
| PMMA | 450, 481, 509 (sh) | 0.18 | 57.0 (28%), 157 (72%) | |||
| tpy | CH2Cl2 | 457, 489, 524 (sh) | 0.15 | 40 | 3.8 | 21 |
| PMMA | 457, 487, 521 (sh) | 0.22 | 84.7 (20%), 208 (80%) | |||
| thpy | PMMA | 515, 530 (sh), 553 | 0.054 | 111 | 0.5 | 8.5 |
Under the exclusion of oxygen.
The most intense peak is italicized.
Quantum yield.
Emission lifetime; relative amplitudes are given in parentheses for biexponential decays.
Radiative rate constant, kr = Φ/τ.
Nonradiative rate constant, knr = (1 – Φ)/τ.
Data in the CH2Cl2 solution from ref (21).