425071.fig.002
Figure 2: Typical TEM and TEM-EDS images of Ag-Au bimetallic products obtained after heating Ag seeds/HAuCl4/PVP/EG solution for 10–60 min under Ar gas bubbling. Line analysis data along blue lines in (d1), (d2), and (d3) are given in (e1), (e2), and (e3), respectively.