Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/4940
Título: Growth of the [110] oriented TiO2 nanorods on ITO substrates by sputtering technique for dye-sensitized solar cells
Autor: Meng, Lijian
Chen, Hong
Li, Can
Santos, M. P.
Palavras-chave: TiO2
DSSC
Nanorod
Structural properties
Sputtering
Data: 2014
Editora: Frontiers
Relatório da Série N.º: Frontiers in Materials; Vol. 1, Art. 4
Resumo: 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.
Peer review: yes
URI: http://hdl.handle.net/10400.22/4940
DOI: 10.3389/fmats.2014.00014
ISSN: 2296-8016
Versão do Editor: http://journal.frontiersin.org/Journal/10.3389/fmats.2014.00014/abstract
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