Table 1. Emission lifetimes, quantum yields, and radiative and non-radiative decay rate constants of the Au^III complexes and Au^III@MOFs.

Compound	Conditions	λ max (nm)	τ 0 (μs)	φ em (%)	k r a (103 s–1)	k nr b (105 s–1)
Au1 solid	Air	478, 511	0.20
Au1 (DMF solution)	Air	478, 511	0.32	0.06	1.88	31.23
	Degassed	478, 511	0.59	0.09	1.53	16.93
Au1@MOF1	Air	478, 511	10.1	1.3	1.29	0.98
	Ar	478, 511	33.6	3.5	1.04	0.29
Au1@MOF2	Air	478, 511	19.4	2.0	1.03	0.51
	Ar	478, 511	21.2	2.7	1.27	0.46
Au2 (DMF solution)	Air	Non-emissive
	Degassed	520, 558	21.4	0.64	0.30	0.46
Au2@MOF1	Air	520, 558	7.9	1.1	1.39	1.25
	Ar	520, 558	146.3	11.4	0.78	0.06
Au2@MOF2 c	Air	520, 558	14.5	1.5	1.03	0.68
	Ar	520, 558	98.6	8.1	0.82	0.09
	O2 d	520, 558	6.0
Au2@MOF2 e	Air	522, 560	15.8
	Ar	522, 560	104.2
Au3 (DMF solution)	Air	540, 580	0.88	0.09	1.02	11.35
	Degassed	540, 580	117.7	7.0	0.60	0.08
Au3@MOF1	Air	540, 580	48.8	11.9	2.44	0.18
	Ar	540, 580	130.7	34.8	2.66	0.05
Au4 (DMF solution)	Air	510, 540	0.52	0.12	2.31	19.21
	Degassed	510, 540	8.0	0.95	1.19	1.24
Au4@MOF1	Air	510, 540	0.97	0.20	2.06	10.29
	Ar	510, 540	21.7	3.9	1.80	0.44

^aRadiative decay rate constant estimated by k_r = φ/τ.

^bNon-radiative decay rate constant estimated by k_nr = (1 – φ)/τ.

^cAu2 content: 1.43 wt%.

^dAu2@MOF2 immersed in acetonitrile saturated with O₂.

^eAu2 content: 8.26 wt%.