793125.fig.001a
(a)
793125.fig.001b
(b)
793125.fig.001c
(c)
793125.fig.001d
(d)
Figure 1: (a) UV-Vis spectra of the mixture of the solution of the precursors, and (b) UV-Vis spectra of the product solution containing Au nanoparticles with surface plasmon resonance bands. (c) Yellow color of the stock solution of precursors in ethylene glycol. (d) Violet color of the prepared product of the Au nanoparticles.