Research Article

Correlation between the Morphology and Performance Enhancement of ZnO Hierarchical Flower Photoanodes in Quasi-Solid Dye-Sensitized Solar Cells

Figure 4

(a) The cross-sectional and (b) top view SEM images of the photoanode based on sample 2.
212653.fig.004a
(a)
212653.fig.004b
(b)