Experimental Research on Degradation of Azo Dye Wasterwater by Photocatalysis of Nano-TiO2 Doped with Ce / Fe

Hong Jiao Song; Lei Zhu; Xun Wang

doi:10.4028/www.scientific.net/AMM.295-298.331

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Experimental Research on Degradation of Azo Dye Wasterwater by Photocatalysis of Nano-TiO₂ Doped with Ce / Fe
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 295-298Experimental Research on Degradation of Azo Dye...

Experimental Research on Degradation of Azo Dye Wasterwater by Photocatalysis of Nano-TiO₂ Doped with Ce / Fe

Abstract:

The sol-gel process is applied to respectively prepare nano-TiO₂ films with Ce (cerium) or nano-TiO₂ films with Fe (ferium), which are used to degradate azo dye wastewater and present their characterization by XRD and HRTEM methods. The results show that proper amount of Ce or Fe doped into the nano-TiO₂ films can effectively accelerate the separation of photogenerated electrons-holes and easily form lattices, and consequently promotes nano-TiO₂ films' photocatalytic activity by nearly 20%.