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- Title
TiO<sub>2</sub> Nanotube Array as Efficient Transparent Photoanode in Dye-Sensitized Solar Cell with High Electron Lifetime.
- Authors
LAMBERTI, A.; SACCO, A.; HIDALGO, D.; BIANCO, S.; MANFREDI, D.; QUAGLIO, M.; TRESSO, E.; PIRRI, C. F.
- Abstract
In the present work, the fabrication and characterization of non-curling, free-standing TiO2 nanotube mem- branes and their integration in front-side illuminated dye-sensitized solar cells are reported. Vertically oriented TiO2 nanotube arrays were fabricated by anodic oxidation of a titanium foil. Nanotube membranes were detached from the metallic foil, transferred and bonded on transparent fluorine-doped tin oxide/glass substrates employing a TiO2 sol as a binder. Crystalline phase and morphology of the film were investigated, evidencing the formation of a highly ordered 1D nanotubes carpet, with a pure anatase crystalline structure. TiO2 nanotube-based DSCs were fabricated using reversible microfluidic architecture. The cell performances were studied by I-V electrical characterization, incident-photon-to-electron conversion effciency, electrochemical impedance spectroscopy and open circuit voltage decay measurements, showing an increase in electron lifetime compared to nanoparticle-based dye- -sensitized solar cells.
- Subjects
SOLAR energy; PHOTOVOLTAIC cells; CHARGE carrier lifetime; TITANIUM dioxide; OXIDATION; FLUORINE
- Publication
Acta Physica Polonica: A, 2013, Vol 123, Issue 2, p376
- ISSN
0587-4246
- Publication type
Article
- DOI
10.12693/APhysPolA.123.376