Recent Development of Graphene-Based Cathode Materials for Dye-Sensitized Solar Cells

Figure 8

Typical AFM images of (a) as-synthesized GO, (b) RGO with a low loading of MoS₂ nanoparticles, and (c) RGO with a high loading of MoS₂ nanoparticles. The inset in (a) shows that the height difference between two red arrows is 1.3 nm. (d) TEM image of the MoS₂/RGO nanocomposite [36].

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(b)

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(d)