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Arrays of TiO 2 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 TiO 2 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...
We report a facile method to grow multi-sectional TiO2 nanotube arrays consisting of alternating bamboo-shaped and smooth-walled nanotube sections by anodization. Two key factors are necessary for obtaining these morphologies. First, in order to avoid possible disruptions between the conjoint sections of the nanotube, the distribution of hydrogen ions is suggested not to be fiercely disturbed when...
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