Electrochemical anodization of a titanium film on a Kapton HN substrate leads to the formation of closely packed aligned nanotubes, whose shape can be finely tuned by tailoring the anodization parameters. An amorphous-to-anatase phase transition is induced on nanotubes by annealing at 350 °C. The nanotubes are applied as photoanodes in flexible dye-sensitized solar cells (N719 dye; I 3 -/I - redox couple), resulting in a photoconversion efficiency of up to 3.5% under simulated sunlight irradiation air mass 1.5 global (AM 1.5G). Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Vertically aligned TiO 2 nanotubes on plastic substrates for flexible solar cells
Galstyan;Va;Vomiero;Ga;Sberveglieri;Ga
2011
Abstract
Electrochemical anodization of a titanium film on a Kapton HN substrate leads to the formation of closely packed aligned nanotubes, whose shape can be finely tuned by tailoring the anodization parameters. An amorphous-to-anatase phase transition is induced on nanotubes by annealing at 350 °C. The nanotubes are applied as photoanodes in flexible dye-sensitized solar cells (N719 dye; I 3 -/I - redox couple), resulting in a photoconversion efficiency of up to 3.5% under simulated sunlight irradiation air mass 1.5 global (AM 1.5G). Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.File in questo prodotto:
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