Table 2. Photophysical data for Bpy-ZnTPP reference compound and all dyads ^a .

Compound	Solvent	Steady state quenching (%)	φ f b	τ 1, τ2 b (ns)	σ b (ns)	k Q b (ns–1)
Bpy-ZnTPP	CH2Cl2		0.033 c	1.72	2 × 10–3	—
[Dyad 1 pic]PF6	CH2Cl2	95 d , e	0.0017	0.024 g	—	—
[Dyad 2 pic]OTf	CH2Cl2	55 e	0.015	0.69 (88%), 1.65 (12%)	1 × 10–2, 7 × 10–2	0.87
[Dyad 3 pic]OTf	CH2Cl2	23 e	0.025	1.56	3 × 10–3	0.06
Bpy-ZnTPP	THF		0.033	1.80	2 × 10–3
Dyad 1 Br	THF	41 f	0.019	0.97	2 × 10–2	0.48
Dyad 2 Br	THF	11 f	0.029	1.66	2 × 10–3	0.05
Dyad 3 Br	THF	0 f	0.033	1.81	2 × 10–3	0

^a λ _ex = 560 nm, λ_em = 605 nm.

^b φ _f = fluorescence quantum yield, τ emission lifetime with standard deviation σ, k_Q = τ_dyad^–1 – τ_ref^–1.

^cValue for ZnTPP in toluene, from ref. 93.

^d [Dyad 1 pic]OTf from ref. 34.

^eEmission yields relative to rhenium-free Bpy-link-TPP analogue.

^fRelative to ZnTPP; note that yield of CH₂-Bpy-ZnTPP is ca. 15% greater than that of ZnTPP.

^gLifetime was shorter than the instrument response time. This value is taken from time-resolved absorption from ref. 34.