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TitleGrowth of the [110] oriented TiO2 nanorods on ITO substrates by sputtering technique for dye-sensitized solar cells
Author(s)Lijian Meng
Hong Chen
Can Li
Santos, M. P. dos
Structural properties
structural property
Issue date5-Sep-2014
PublisherFrontiers Media S.A.
JournalFrontiers in Materials
Abstract(s)TiO2 films have been deposited on ITO substrates by dc reactive magnetron sputtering technique. It has been found that the sputtering pressure is a very important parameter for the structure of the deposited TiO2 films. When the pressure is lower than 1 Pa, the deposited has a dense structure and shows a preferred orientation along the [101] direction. However, the nanorod structure has been obtained as the sputtering pressure is higher than 1 Pa. These nanorods structure TiO2 film shows a preferred orientation along the [110] direction. The x-ray diffraction and the Raman scattering measurements show both the dense and the nanostructure TiO2 films have only an anatase phase, no other phase has been obtained. The results of the SEM show that these TiO2 nanorods are perpendicular to the ITO substrate. The TEM measurement shows that the nanorods have a very rough surface. The dye-sensitized solar cells (DSSCs) have been assembled using these TiO2 nanorod films prepared at different sputtering pressures as photoelectrode. And the effect of the sputtering pressure on the properties of the photoelectric conversion of the DSSCs has been studied.
Publisher version
AccessOpen access
Appears in Collections:CDF - GRF - Artigos/Papers (with refereeing)

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