Research Article

Improving the Efficiency of Dye-Sensitized Solar Cells by Growing Longer ZnO Nanorods on TiO2 Photoanodes

Figure 1

(a) Cross-sectional SEM micrographs of the ZnO-TiO2 photoanodes grown at (A) 70°C, (B) 80°C, (C) 90°C, and (D) 100°C. (b) Top-view SEM micrographs of the ZnO-TiO2 photoanodes grown at (E) 70°C, (F) 80°C, (G) 90°C, and (H) 100°C.
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