Fabrication and Electrochemical Behavior Investigation of a Pt-Loaded Reduced Graphene Oxide Composite (Pt@rGO) as a High-Performance Cathode for Dye-Sensitized Solar Cells

Figure 4

TEM image of Pt@rGO composite ((a), the inset shows the corresponding high-resolution image) and the particle size distributions along with Gaussian fit (b); SEM image (c); and the cross-sectional TEM image of Pt@rGO-coated FTO substrate (d).

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