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155. “Tube brush” like ZnO/SiO2 hybrid to construct a flexible membrane with enhanced photocatalytic properties and recycling ability.
作者:R. Y. Wang, J. Guo, D. Chen, Y. E. Miao, J. S. Pan, W. W. Tjiu, T. X. Liu*
關鍵字:Hybrid, flexible membrane, photocatalytic property
論文來源:期刊
具體來源:J. Mater. Chem., 2011, 21(48), 19375-19380.
發表時間:2011年

In this work, a combination of two fabrication methods, i.e. electrospinning and the hydrothermal reaction, are used to fabricate a ZnO/SiO2 hierarchical structure. The structure is made up of silica fibers as the backbone for supporting the epitaxial growth of ZnO nanorods. The structure resembles a ‘tube brush’ like morphology with a high porosity and surface area, both of which are vital factors in water purification. This fabrication method offers a way to construct a flexible membrane of functional composites with a hierarchical structure. To aid the electron–hole separation, Ag modified ZnO/SiO2 hierarchical structures were further obtained through a facile photo reduction method. The membrane after Ag modification shows enhancement in photocatalytic efficiency as well as superior recycling ability, which is promising for future applications in water remediation.

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