Study on Preparation and Photocatalytic Properties of TiO2-ZnO Composite Materials AITranslate
Abstract AITranslate
Using titanium dioxide(TiO2)and zinc oxide(ZnO)powders as precursors,the TiO2-ZnO composite powders with different ZnO molar fraction(x)were synthesized via the solid phase method.The structure,morphology and properties of the composite materials were characterized by X-ray diffraction(XRD),scanning electron microscope(SEM)and ultraviolet-visible(UV-Vis)absorption spectrometer,respectively.The effects of different ZnO molar fraction and calcination temperature on the structure and morphology of TiO2-ZnO composites were investigated,and the photocatalytic activity of the composites for degradation of methyl orange was also studied.The results show that the calcination temperature has a great influence on the structure and morphology of the composites.With t=600℃ and x=0.440,the TiO2-ZnO powder is composed of wurtzite ZnO,anatase TiO2 and a small amount of Ti3Zn3O0.5,and the interface particles are closely contacted.The combination of ZnO and TiO2 not only enhances the absorption of the composites in the ultraviolet region,but also enhances the absorption in the visible region.In addition,the TiO2-ZnO composite(x=0.440)exhibits good photocatalytic activity for organic dye methyl orange,and the degradation rate of methyl orange reaches 95.7% after UV irradiation for 120 min.
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Basic Information:
DOI：
Chinese Library Classification Number:TQ134.1[化学工程—无机化工]
Citation Information:
Using titanium dioxide(TiO2)and zinc oxide(ZnO)powders as precursors,the TiO2-ZnO composite powders with different ZnO molar fraction(x)were synthesized via the solid phase method.The structure,morphology and properties of the composite materials were characterized by X-ray diffraction(XRD),scanning electron microscope(SEM)and ultraviolet-visible(UV-Vis)absorption spectrometer,respectively.The effects of different ZnO molar fraction and calcination temperature on the structure and morphology of TiO2-ZnO composites were investigated,and the photocatalytic activity of the composites for degradation of methyl orange was also studied.The results show that the calcination temperature has a great influence on the structure and morphology of the composites.With t=600℃ and x=0.440,the TiO2-ZnO powder is composed of wurtzite ZnO,anatase TiO2 and a small amount of Ti3Zn3O0.5,and the interface particles are closely contacted.The combination of ZnO and TiO2 not only enhances the absorption of the composites in the ultraviolet region,but also enhances the absorption in the visible region.In addition,the TiO2-ZnO composite(x=0.440)exhibits good photocatalytic activity for organic dye methyl orange,and the degradation rate of methyl orange reaches 95.7% after UV irradiation for 120 min.
quote
| GB/T 7714-2015 | [1] LI Yu-zhen, LV Bao-hua, YAO Chen-zhong. Study on Preparation and Photocatalytic Properties of TiO2-ZnO Composite Materials[J]. Rare Metals and Cemented Carbides, 2019(6): 48-51. |
| MLA | [1] LI Yu-zhen, et al., "Study on Preparation and Photocatalytic Properties of TiO2-ZnO Composite Materials." Rare Metals and Cemented Carbides, no. 6, 2019, pp. 48-51. |
| APA | [1] LI Yu-zhen, LV Bao-hua, & YAO Chen-zhong. (2019). Study on Preparation and Photocatalytic Properties of TiO2-ZnO Composite Materials. Rare Metals and Cemented Carbides(6), 48-51. |
| IEEE | [1] LI Yu-zhen, LV Bao-hua, and YAO Chen-zhong, "Study on Preparation and Photocatalytic Properties of TiO2-ZnO Composite Materials," Rare Metals and Cemented Carbides, no. 6, pp. 48-51, 2019. keywords: {TiO2-ZnO;solid phase method;photocatalysis;ZnO molar fraction;calcination temperature} |