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首页> 外文期刊>Applied Surface Science >The comparison of photocatalytic activity of synthesized TiO_2 and ZrO_2 nanosize onto wool fibers
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The comparison of photocatalytic activity of synthesized TiO_2 and ZrO_2 nanosize onto wool fibers

机译：纳米TiO_2和ZrO_2对羊毛纤维光催化活性的比较

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TiO_2 and ZrO_2 nanocrystals were successfully synthesized and deposited onto wool fibers using the sol-gel technique at low temperature. The photocatalytic activities of TiO_2-coated and ZrO_2-coated wool fibers were measured by studying photodegradation of methylene blue and eosin yellowish dyes. The initial and the treated samples were characterized by several techniques such as scanning electron microscopy (SEM), transmission electron microscopy (TEM), diffuse reflectance spectroscopy (DRS) and X-ray diffraction. The TEM study shows dispersed particles with 10-30 nm in size for TiO_2-coated and 20-40 nm in size for ZrO_2-coated samples on the fiber surface. Comparison of the photocatalytic activity of the coated samples reveals superiority of TiO_2 modified sample with respect to that of ZrO_2 for degradation of both dyes. Our observations indicate that by applying this technique to the fabrics, self-cleaning materials could be designed for practical application.
机译：TiO_2和ZrO_2纳米晶体已成功合成，并通过溶胶-凝胶技术在低温下沉积在羊毛纤维上。通过研究亚甲基蓝和曙红微黄染料的光降解，测量了涂覆有TiO_2和ZrO_2的羊毛纤维的光催化活性。初始样品和处理后的样品通过多种技术进行表征，例如扫描电子显微镜（SEM），透射电子显微镜（TEM），漫反射光谱（DRS）和X射线衍射。 TEM研究显示，在纤维表面上，TiO_2涂层的颗粒尺寸为10-30 nm，ZrO_2涂层的样品尺寸为20-40 nm。涂覆样品的光催化活性的比较表明，对于两种染料的降解，TiO_2改性的样品都优于ZrO_2。我们的观察结果表明，通过将这种技术应用于织物，可以将自清洁材料设计为实际应用。

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