Research Article

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

Figure 7

XPS spectra (a) in the Ti 2p region for the uncoated and the TiO2-coated electrodes and (b) in the Zr 3d region for the uncoated and the ZrO2-coated electrodes.
268173.fig.007a
(a)
268173.fig.007b
(b)