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首页> 外文期刊>Journal of Applied Polymer Science >Polymeric hybrid films with photocatalytic activity under visible light
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Polymeric hybrid films with photocatalytic activity under visible light

机译：可见光下的光催化活性聚合物杂合薄膜

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The immobilization of photocatalysts on several kinds of substrates has been widely studied over the past few years, focusing mainly on improving its industrial application. In this work, novel hybrid films were prepared, employing TiO2 P25, commercial ZnO or BiOI, synthetized through hydrothermal method and immobilized on poly(vinylidene fluoride) by the non-solvent-induced phase inversion technique. Subsequently, the prepared composites were evaluated by photodegradation of methylene blue (MB) under ultraviolet or visible light. The samples were also characterized by scanning electron microscope, thermo-gravimetric analysis, attenuated total reflection-Fourier transform infrared spectroscopy, and X-ray diffractometer analysis to improve comprehension of the composites' photocatalytic behavior. The degradation reaction of the contaminants exhibited pseudo-first order kinetics in all samples, and achieved better performance when compared to simple photolysis. The recyclability of the hybrid films was also evaluated and proved that polymeric matrix is a promising material for the preparation of composites for photocatalysis applications. (c) 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46367.
机译：过去几年广泛研究了几种基材上的光催化剂，主要集中在改善其产业申请方面。在这项工作中，制备新的混合膜，采用TiO 2 P25，商业ZnO或BioI，通过水热法合成并通过非溶剂诱导的相反转技术固定在聚（偏二氟乙烯）上。随后，通过在紫外或可见光下光降解亚甲基蓝（MB）来评估制备的复合材料。样品还表征了扫描电子显微镜，热重分析，减弱的总反射 - 傅里叶变换红外光谱，以及X射线衍射仪分析，以改善复合材料的光催化行为的理解。污染物的降解反应在所有样品中表现出伪第一阶动力学，并在与简单的光解相比时实现了更好的性能。还评估了混合膜的可再循环性，并证明了聚合物基质是用于制备用于光催化应用的复合材料的有希望的材料。 （c）2018 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2018,135,46367。

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