Figure 2From: Preparation of Pt Ag alloy nanoisland/graphene hybrid composites and its high stability and catalytic activity in methanol electro-oxidation TEM images of gold nanorods (Au NRs) (A), Au@Pt 0.34 Ag 0.66 NRs (B), Au@Pt 0.57 Ag 0.43 NRs (C), Au@Pt 0.64 Ag 0.36 NRs (D). Scale bar in (A) is 100 nm, in (B-D) is 50 nm.Back to article page