Photocatalytic Activity of Zinc-Doped Titanium Dioxide Nanostructures Prepared by Spray Pyrolysis
Abstract
In this work, titanium dioxide nanostructures were prepared by spray pyrolysis method on quartz substrates. These nanostructures were doped with different weight percentages of zinc to prepare Zn-doped TiO2 samples. The energy band gap of these samples were determined as a function of the zinc dopants weight percentage. It was found that the energy band gap increases with increasing weight percentage of zinc dopants when compared to the undoped titanium dioxide sample. The photocatalytic activity of the Zn-doped TiO2 samples was introduced and compared. The larger weight percentage of zinc dopants showed higher ability to decompose the organic dye used for photocatalytic activity measurements.
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