154210.fig.004a
(a)
154210.fig.004b
(b)
154210.fig.004c
(c)
Figure 4: High resolution electron micrographs of typical bimetallic AuAg nanoparticles with initial concentration of (a) 25/75, (b) 50/50, and (c) 75/25. Note that fringes pattern confirm the crystalline nature of nanoparticles. (Inset figure: the corresponding FFT images.)