CoS/Nanocarbon Composite as a Catalytic Counter Electrode for Improved Performance of Quantum Dot-Sensitized Solar Cells

Figure 2

SEM images of (a) CoS nanosheets, (b) NC powder, and (c) CoS/NC-30 composite. (d) HAADF-STEM image and the corresponding EDS mapping images of CoS/NC-30. (e) EDS spectrum of the CoS/NC-30 composite.

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