Highly ordered TiO2 nanotube stamps on Ti foils: Synthesis and application for all flexible dye–sensitized solar cells

Highly ordered TiO2 nanotubes (TNT) stamps were synthesized on Ti foils by anodization and ultrasonic vibration techniques to enhance the Ti foil active surface area. A dye-sensitized solar cell (DSSC) with the as-prepared Ti foil coated by Pt as the counter electrode (CE) shows a cell efficiency (η...

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Bibliographic Details
Published in:Electrochemistry communications 2013-12, Vol.37, p.71-75
Main Authors: Lin, Lu-Yin, Yeh, Min-Hsin, Tsai, Keng-Wei, Chen, Chia-Yuan, Wu, Chun-Guey, Ho, Kuo-Chuan
Format: Article
Language:English
Subjects:
Applied sciences
Counter electrode
Dye-sensitized solar cell
Electrochemical impedance spectroscopy
Energy
Exact sciences and technology
Flexible
Natural energy
Photovoltaic conversion
Solar cells. Photoelectrochemical cells
Solar energy
Titanium dioxide nanotubes
Titanium foil
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Summary:Highly ordered TiO2 nanotubes (TNT) stamps were synthesized on Ti foils by anodization and ultrasonic vibration techniques to enhance the Ti foil active surface area. A dye-sensitized solar cell (DSSC) with the as-prepared Ti foil coated by Pt as the counter electrode (CE) shows a cell efficiency (η) of 9.62% owing to the excellent electrocatalytic ability for its CE. With the replacement of a conducting plastic as the photoanode substrate, a η of 3.12% is obtained for an all flexible DSSC. •Ordered TiO2 nanotube stamps were made by anodizing Ti foils and sonic vibration.•Ti foils with stamp (s-Ti foils) possess high surface area and ordered morphology.•Pt sputtered s-Ti foils show good electrocatalytic ability for I−/I3− reaction.•Pt sputtered s-Ti foil based dye-sensitized solar cells achieve 9.62% efficiency.
ISSN:1388-2481
1873-1902
DOI:10.1016/j.elecom.2013.10.011