Table 2.

Prompt fluorescence and total quantum yield (Φ_PF, Φ_PL), prompt and delayed emission lifetime (τ_PF, τ_DF) and wavelength (λ_em) of dyes 1 and 2, and luminescent nanomaterials PS1-4, measured in aqueous media.

	λem (nm)	${\Phi }_{\text{PF}}^{\text{a}}$	τPF (ns)	${\Phi }_{\text{PL}}^{\text{b}}$	DF/PF ratio	τDF (μs)
Dye 1	563	0.02	6.59	0.02	n.d.c	n.d.c
PS1	550	0.05	4.58	0.18	2.6	5.11
PS2	556	0.03	4.60	0.11	2.7	2.89
Dye 2	629	<0.01	6.3	<0.01	n.d.c	n.d.c
PS3	539	0.18	16.5	0.24	0.3	11.78
PS4	555	0.07	7.5	0.09	0.3	9.56

^ameasured in aerated conditions;

^bmeasured in degassed conditions;

^cnot detected.