International Journal of Photoenergy / 2014 / Article / Fig 1

Research Article

TiO2 Nanotube Arrays Composite Film as Photoanode for High-Efficiency Dye-Sensitized Solar Cell

Figure 1

Photographs of TNT-arrays at different fabrication stages: TNT-arrays on the Ti substrate via anodization method (a), TNT-arrays membrane detached from the Ti substrate via a secondary anodization method (b), crystalline TNT-arrays/FTO film after heat treatment before dye loading (c), and N719 dye loaded TNT-arrays/FTO film (d).

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