Table 1.

Size and zeta potential values of Au-NPs stabilized in water from DLS technique; and SPR absorption maximum (${\lambda }_{max}^{\mathrm{Abs}}$) values in water and AOT RMs from UV-visible spectroscopy.

	water				RMs
	diameter (nm)		zeta potential	${\lambda }_{max}^{\mathrm{Abs}}$	${\lambda }_{max}^{\mathrm{Abs}}$
imidazolium salts	TEM	DLS	(mV)	(nm)	(nm)
	9 ± 2	12 ± 2	−21.4	545	540
	15 ± 3	20 ± 5	−37.4	518	528
	13 ± 2	13 ± 2	−21.7	521	521