Research Article
Influence of Anodization Time on Photovoltaic Performance of DSSCs Based on TiO2 Nanotube Array
Figure 5
The cross-sectional SEM images of double-layer film with different anodization time: (a) 5 h, (b) 12 h, (c) 18 h, (d) and 22 h.
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| (b) |
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