Application of Highly Ordered TiO2 Nanotube Arrays in Flexible Dye-Sensitized Solar Cells
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- 17 May 2008
- journal article
- research article
- Published by American Chemical Society (ACS) in ACS Nano
- Vol. 2 (6), 1113-1116
- https://doi.org/10.1021/nn800174y
Abstract
TiO2 nanotube arrays prepared by electrochemical anodization of Ti foils show impressive light to electricity conversion efficiency in the dye-sensitized solar cells (DSCs). The length of the TiO2 nanotube arrays (5−14 µm) was controlled by varying the anodization time from 2 to 20 h. The influence of nanotube lengths on the photovoltaic performance of DSCs was investigated by impedance. A flexible DSC using TiO2 nanotube arrays on a Ti foil as a working electrode and polyethylene naphthalate (ITO/PEN) as counterelectrode in combination with solvent-free ionic liquid electrolyte achieved 3.6% photovoltaic conversion efficiency under simulated AM 1.5 sunlight.Keywords
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