N. Bwana “Effects of the morphology of the electrode nanostructures on the performance of dye-sensitized solar cells.” Nano Research 1, 483--489 (2008).

Dye-sensitized solar cells (DSCs) have received much attention as potential low cost alternatives to conventional silicon-based pn junction devices. Usually the working electrode in these systems is a 10 μm thick TiO₂ nanocrystalline film. This experiment evaluated the performance of  highly ordered arrays of TiO₂ nanorods, highly ordered arrays of TiO₂ nanotubules of different wall thicknesses, and sintered TiO₂ nanoparticles as the working electrode in DSCs. It was determined that DSCs based on ordered arrays of TiO₂ nanostructures have higher charge collection efficiencies and thus higher short-circuit current densities than those based on sintered TiO₂ nanoparticles, with the most efficient cells were those on ordered arrays of TiO₂ nanorods.

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