Table 1. Summary of photophysical and STED full width half maxima (FWHM) data for RuER and RuArg₈ carried out in PBS solution.

Complex	Φ (%)	τ aerated 18 °C (ns)	τ de-aerated 18 °C (ns)	FWHMconfocal (nm)	FWHMSTED (nm)
RuArg8	0.067 ± 0.005 a	579 ± 11	1.02 μs ± 9 ns	226.66	86.8
RuER	0.0316 ± 0.0015 a	683 ± 8	1.06 μs ± 14 ns	532.44	151.72

^aStandard used [Ru(bpy)₃]²⁺ 0.04 ± 0.002.