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Facile preparation of anatase/SiO2 spherical nanocomposites and their application in self-cleaning textiles

机译:锐钛矿型/ SiO2球形纳米复合材料的简便制备及其在自洁纺织品中的应用

摘要

Anatase TiO2/SiO2 nanocomposites were prepared by a sol-gel process at a low temperature. The structural properties of these as-prepared nanocomposites were characterized with scanning electron microscopy (SEM) and X-ray diffraction (XRD), showing that TiO2 nanoparticles were deposited on the surface of SiO2 spheres. The spherical TiO 2/SiO2 nanocomposites were coated onto cotton fabrics by a simple dip-pad-dry-cure process. The treated cotton fabrics demonstrated higher photocatalytic activity in comparison to pure TiO2 treated cotton fabrics in a typical photocatalytic test using a model compound of Neolan Blue 2G dye. Our results demonstrate that this composite material is a step towards better self-cleaning performance of textile materials.
机译:通过低温溶胶-凝胶法制备了锐钛矿型TiO2 / SiO2纳米复合材料。通过扫描电子显微镜(SEM)和X射线衍射(XRD)对这些制备的纳米复合材料的结构性能进行了表征,表明TiO2纳米颗粒沉积在SiO2球表面上。通过简单的浸涂-干固化工艺将球形的TiO 2 / SiO2纳米复合材料涂覆到棉织物上。在使用Neolan Blue 2G染料的典型化合物进行的典型光催化测试中,与纯TiO2处理的棉织物相比,经处理的棉织物具有更高的光催化活性。我们的结果表明,这种复合材料是朝着提高纺织材料的自洁性能迈出的一步。

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