Research Article
A Platinum Monolayer Core-Shell Catalyst with a Ternary Alloy Nanoparticle Core and Enhanced Stability for the Oxygen Reduction Reaction
Figure 2
TEM images and the corresponding particle core size histograms (inset) of Pd1Ir1/C (a), Pd1Ir1@Pt/C (c), Pd1Ir1Ni2/C (e), and Pd1Ir1Ni2@Pt/C (g); the HRTEM images of Pd1Ir1/C (b), Pd1Ir1@Pt/C (d), Pd1Ir1Ni2/C (f), and Pd1Ir1Ni2@Pt/C (h); HAADF images of Pd1Ir1Ni2@Pt/C (i) and EDS analysis of Pd1Ir1Ni2@Pt/C (j).
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