Controlled Assembly of Nanorod TiO₂ Crystals via a Sintering Process: Photoanode Properties in Dye-Sensitized Solar Cells

Figure 2

SEM images of the porous layer of deposited BR-TiO₂ particles (33 wt%) on FTO substrate, after sintering. (a) A cross-sectional image of 5 μm thick TiO₂ film. (b) Top side image. (c) A SEM image of 3.5 μm thick TiO₂ film before sintering is shown.

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