Size Effects of Pt Nanoparticle/Graphene Composite Materials on the Electrochemical Sensing of Hydrogen Peroxide

Figure 2

Transmission electron microscope images of (a) Pt-4.3 nm/G catalyst, (b) Pt-2.9 nm/G catalyst, (c) Pt-1.7 nm/G catalyst, and (d) Pt-1.3 nm/G catalyst.

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(b)

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