Table 3. Lowest-Energy Absorption Maxima (λmax), Molar Absorption Coefficients at λmax (ε in M–1 cm–1), Photosubstitution Quantum Yields in Acetonitrile (Φ450) at 298 K, 1O2 Quantum Yields (ΦΔ) at 293 K, and Phosphorescence Quantum Yield (ΦP) for [1]PF6–[10](PF6)2.
| complex | formula | λmax (εmax in M–1 cm–1)a | λem (nm) | ΦΔb | ΦPb | Φ450 |
|---|---|---|---|---|---|---|
| [1]PF6 | [Ru(phbpy)(bpy)(DMSO-κS)]PF6 | 476 (50 × 102) | 786 | 3.2 × 10–2 | 1.6 × 10–4 | 4.1 × 10–5 |
| [2]PF6 | [Ru(phbpy)(phen)(DMSO-κS)]PF6 | 450 (57 × 102) | 800 | 3.9 × 10–2 | 2.1 × 10–4 | 1.3 × 10–5 |
| [3]PF6 | [Ru(phbpy)(dpq)(DMSO-κS)]PF6 | 451 (83 × 102) | 787 | 1.1 × 10–1 | 2.1 × 10–4 | 2.2 × 10–5 |
| [4]PF6 | [Ru(phbpy)(dppz)(DMSO-κS)]PF6 | 450 (84 × 102) | 618 | 7.0 × 10–3 | 2.6 × 10–4 | <10–6 |
| [5]PF6 | [Ru(phbpy)(dppn)(DMSO-κS)]PF6 | 450 (75 × 102) | 672 | <10–3 | 8.4 × 10–5 | <10–6 |
| [6]PF6 | [Ru(phbpy)(bpy)(CD3CN)]PF6 | 525 (71 × 102) | n.d. | n.d. | n.d. | |
| [7]PF6 | [Ru(phbpy)(phen)(CD3CN)]PF6 | 503 (63 × 102) | n.d. | n.d. | n.d. | |
| [8]PF6 | [Ru(phbpy)(dpq)(CD3CN)]PF6 | 495 (119 × 102) | n.d. | n.d. | n.d. | |
| [9](PF6)2 | [Ru(tpy)(bpy)(DMSO-κS)](PF6)2 | 411 (75 × 102) | n.d. | n.d. | n.d. | 1.6 × 10–2 |
| [10](PF6)2 | [Ru(tpy)(bpy)(MeCN)](PF6)2 | 455 (91 × 102) | n.d. | n.d. | n.d. |
a
In MeCN.
b
in CD3OD.