One-Step Synthesized Pt-on-NiCo Nanostructures for Oxygen Reduction with High Activity and Long-Term Stability
Figure 2
(a) XPS spectrum for Pt53-on-NiCo nanostructures; detailed spectra for (b) Pt 4f, (c) Co 2p, and (d) Ni 2p in the Pt53-on-NiCo nanostructures. The horizontal axe represents the binding energy corrected by that of C 1s.