Effective Sol-Gel Nanocoatings on ZnO Electrodes for Suppressing Recombination in Dye-Sensitized Solar Cells

Figure 11

(a) J-V curves and (b) dark current-voltage curves of the cells using the uncoated, the uncoated/heated, and the Nb₂O₅-coated ZnO electrodes [3].

(a)

(b)