2. Quenching Rate Constants Recorded for Two Model Diazenes in Argon Purged Acetonitrile at Room Temperature.
| Photocatalyst | k q (× 108 M–1 s–1), Diazene 1 | k q (× 108 M–1 s–1), Diazene 2 |
|---|---|---|
| Acr-Me (PC-1 T ) | 0.10 ± 0.05 | 0.10 ± 0.05 |
| Acr-Ph (PC-2 T ) | 0.15 ± 0.02 | 0.24 ± 0.03 |
| Acr-tBu (PC-3 T ) | 0.13 ± 0.04 | 0.11 ± 0.02 |
| Acr-Me (PC-1 S ) | 25 ± 1 | 30 ± 1 |
| Acr-Ph (PC-2 S ) | 28.1 ± 0.6 | 33.1 ± 0.9 |
| Acr-tBu (PC-3 S ) | 33.4 ± 0.5 | 38.9 ± 0.7 |
| [Ru(bpy)3]2+ (PC-4) | 0.2 ± 0.1 | 0.3 ± 0.1 |
| [Ru(TAP)3]2+ (PC-5) | 2 ± 1 | 3 ± 1 |
| [Ir(dFCF3ppy)2((CF3)2bpy)]+ (PC-6) | 0.38 ± 0.06 | 0.58 ± 0.05 |
| [Ir(Fppy)2(bpy)]+ (PC-7) | 1.6 ± 0.1 | 2.5 ± 0.1 |
| [Ir(ppy)3] (PC-8) | 6.5 ± 0.2 | 7.3 ± 0.1 |
| [Ir(dFppy)3] (PC-9) | 21.8 ± 0.6 | 22.6 ± 0.8 |
| [Ir(dFCF3ppy)2(dtb)]+ (PC-10) | 14.5 ± 0.6 | 12.3 ± 0.7 |
| [Ir(dFppy)2(bpy)]+ (PC-11) | 3.3 ± 0.1 | 6.1 ± 0.1 |
| 2,4,6-Triphenylpyrylium (PC-12) | 35.9 ± 0.1 | 36.5 ± 0.3 |
| Benzophenone (PC-13) | 35.1 ± 0.1 | 30.8 ± 0.1 |
| [Ir(CF3pmb)3] (PC-14) | 20.1 ± 0.9 | 16.9 ± 0.5 |
| Acetophenone (PC-15) | 53 ± 2 | 63 ± 3 |