Nano Science and Technology Institute
Nanotech 2011 Vol. 1
Nanotech 2011 Vol. 1
Nanotechnology 2011: Advanced Materials, CNTs, Particles, Films and Composites
Chapter 4: Nanostructured Coatings, Surfaces & Films

Photo Catalytic Activity of Coated PET Fabrics with Synthesised Nano TiO2 & ZnO: A Comparative Study

Authors:A. Elahi, L. Torkian, R. Khajavi
Affilation:Azad University-Tehran South Branch, IR
Pages:488 - 490
Keywords:TiO2/ZnO, sol-gel, polyester, photocatalysis
Abstract:The coated PET fabric with atomic ratios of Ti/(Ti+Zn) of 100%, 75%, 50%, 25%, and 0% was successfully prepared via sol–gel process from directly mixing TiO2/ZnO sol. The scanning electron microscopy (SEM) observation, energy dispersive spectroscopy (EDS) and the X-ray diffraction method (XRD) measurements revealed that the microstructural morphology and the crystallization behavior of the composite film were essentially related to the atomic ratio of Ti/(Ti+Zn). The UV irradiated degradation of Methylen blue (MB) solution using the coated fabrics as catalyst showed a tendency of the photocatalytic activity of the film against the value of Ti/(Ti+Zn). Photocatalytic activity was observed for the film with Ti/(Ti+Zn) 25% , which has been attributed to the high degredation of MB.
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