Journal of Nanotechnology / 2012 / Article / Fig 11

Review Article

Self-Organized One-Dimensional TiO𝟐 Nanotube/Nanowire Array Films for Use in Excitonic Solar Cells: A Review

Figure 11

IPCE of an FTO/TiO2 nanotube array/SQ-1 dye/P3HT/PEDOT:PSS/Au solar cell, where the P3HT layer was prepared with different degrees of surface wetness prior to a 150°C postbake. Excess wetness, where the film was still wet entering the postbake; dry, indicating where the film had dried on the spinner prior to postbake; optimized, where upon just visually drying the device was immediately removed from the spinner and exposed to the postbake. The dye sensitization and PEDOT:PSS layer are identical in all the three samples. Nanotube array films of 35 nm average pore diameter and 600–700 nm length were used. Reprinted with permission from [7].

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