Anchoring Ultrasmall Pt Nanocrystals onto Carbon Nanohorn-Decorated 3D Graphene Networks to Boost Methanol Oxidation Reaction

Figure 4

(a) XPS survey, (b) high-resolution C 1s, (c) O 1s, and (d) Pt 4f spectra of the Pt/CNH-G hybrid.

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(b)

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(d)