The role of the TiO2 nanotube array morphologies in the dye-sensitized solar cells

Arrays of TiO2 nanotubes were fabricated by the anodization of Ti foils and then used in assembling dye-sensitized solar cells (DSSCs). The role of the morphologies of the TiO2 nanotubes in the photovoltaic performances of the DSSCs was studied in terms of the surface topography and the tube length....

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Bibliographic Details
Published in:Thin solid films 2011-11, Vol.520 (2), p.689-693
Main Authors: Li, Shiqi, Liu, Yumin, Zhang, Gengmin, Zhao, Xingzhong, Yin, Jianbo
Format: Article
Language:English
Subjects:
Applied sciences
Arrays
Cross-disciplinary physics: materials science
rheology
Energy
Exact sciences and technology
Materials science
Methods of nanofabrication
Morphology
Nanocomposites
Nanomaterials
Nanoscale materials and structures: fabrication and characterization
Nanostructure
Nanotubes
Natural energy
Other topics in nanoscale materials and structures
Photovoltaic cells
Photovoltaic conversion
Physics
Solar cells
Solar cells. Photoelectrochemical cells
Solar energy
Titanium dioxide
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Summary:Arrays of TiO2 nanotubes were fabricated by the anodization of Ti foils and then used in assembling dye-sensitized solar cells (DSSCs). The role of the morphologies of the TiO2 nanotubes in the photovoltaic performances of the DSSCs was studied in terms of the surface topography and the tube length. The necessity of removing the nanoporous films from the surface of the nanotube arrays for good DSSC performance has been demonstrated. Also, it has been shown that appropriately increasing the tube length was an effective measure for enhancing both the short-circuit current density and the conversion efficiency of the DSSCs.
ISSN:0040-6090
1879-2731
DOI:10.1016/j.tsf.2010.12.250