Figure 1
The TEM images of Pt3Ni/C nanoparticles reduced with different H2:CO volume flow rate (cm3 min−1) ratios; (a)–(g) for Ketjen black; (h)–(n) for Graphene; and (o)–(u) for Vulcan XC-72R carbon supports. The scale bar in all TEM images represents 20 nm.
