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- W3146000917 abstract "Al-doped TiO 2 thin films were synthesized by the hydrothermal method.To prepare a working electrode,a TiO 2 or AlTiO 2 slurry was coated onto a fluorine-doped tin oxide glass substrate by the doctor blade method and the coated substrate was sintered at 450°C.TiO 2 and Al-doped TiO 2 films were characterized by X-ray photoelectron spectroscopy(XPS),X-ray diffraction(XRD),scanning electron microscopy(SEM),and tested by the dye-sensitized solar cell(DSSCs)system.The influences of Al-doping on TiO 2 crystal form and the photovoltaic performance of DSSCs were investigated.X-ray photoelectron spectroscopy(XPS)data indicate that the doped Al ions exist in the form of Al 3+ ,and these ions play a role as e - or h + traps and reduce the e - /h + pair recombination rate.The corresponding Mott-Schottky plot indicates that the Al-doped TiO 2 photoanode shifts the flat band potential positively.The positive shift of the flat band potential improves the driving force of injected electrons from the LUMO of the dye to the conduction band of TiO 2 .The Al-doped TiO 2 thin film shows a photovoltaic efficiency of 6.48%, which is higher than that of the undoped TiO 2 thin film(5.58%)and the short-circuit photocurrent density increases from 16.5 to 18.2 mA·cm -2 ." @default.
- W3146000917 created "2021-04-13" @default.
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- W3146000917 date "2012-01-01" @default.
- W3146000917 modified "2023-09-28" @default.
- W3146000917 title "Photovoltaic Performance of Dye-Sensitized Solar Cells Based on Al-Doped TiO_2 Thin Films" @default.
- W3146000917 hasPublicationYear "2012" @default.
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