Hydrothermal Synthesis and Photocatalytic Activity of TiO2-ZrO2 Hybrid Composite Microspheres

Bing Hua Yao; Xiu Ping Han; Ying Lü; Chao Peng; Cheng Jie Zhang

doi:10.4028/www.scientific.net/MSF.852.257

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HomeMaterials Science ForumMaterials Science Forum Vol. 852Hydrothermal Synthesis and Photocatalytic Activity...

Hydrothermal Synthesis and Photocatalytic Activity of TiO₂-ZrO₂ Hybrid Composite Microspheres

Abstract:

The hollow TiO₂-ZrO₂ hybrid composite microspheres were successfully synthesized by hard template-hydrothermal method. The resulting materials were characterized by SEM, XRD, DRS, FT-IR and BET techniques. The results showed that the TiO₂-ZrO₂ hybrid composite microspheres with hollow structure were piled by TiO₂ (anatase) and ZrO₂ (monoclinic) hybrid nanoparticles. The specific surface area and the average pore size of the as-prepared samples were determined to be 224.6 m²/g and 4.159 nm, respectively. The photocatalytic activity of the samples was also evaluated by degradation of methylene blue (MB) compared to the hollow TiO₂. It was found that the resultant TiO₂-ZrO₂ hollow microspheres show higher photocatalytic activity than hollow TiO₂-ZrO₂. The degradation rate of MB can be up to 99.4% after 60min of a high pressure mercury lamp (125W) irradiation.

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Materials Science Forum (Volume 852)

Pages:

257-263

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.852.257

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Online since:

April 2016

Authors:

Bing Hua Yao, Xiu Ping Han, Ying Lü, Chao Peng, Cheng Jie Zhang

Keywords:

Degradation, Hollow-TiO₂-ZrO₂, Hybrid Composite, Microspheres, Photocatalysis

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