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A ZnO nanowire array film with stable highly water-repellent properties

机译:具有稳定的高疏水性的ZnO纳米线阵列膜

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Highly water-repellent surfaces have been prepared from arrayed nanowires of zinc oxide (ZnO) by a treatment with stearic acid. The layers are electrochemically deposited on a nanocrystalline seed layer from an oxygenated aqueous zinc chloride solution. An advancing contact angle ( CA) as high as 176 degrees is obtained with a very small hysteresis similar to 1 degrees. These results, supplemented by infrared spectroscopy, show that the stearic acid forms a very well-packed self-assembled monolayer. The CA measurements show a very good stability of the treated surface even when exposed to harsh conditions or long-term ambient illumination.
机译:通过用硬脂酸处理,由排列的氧化锌(ZnO)纳米线制备了高度疏水的表面。从氧化的氯化锌水溶液将这些层电化学沉积在纳米晶种层上。获得的前进接触角(CA)高达176度,而滞后很小,类似于1度。这些结果,再加上红外光谱分析,表明硬脂酸形成了一个包装得很好的自组装单分子层。即使在恶劣的条件下或长期的环境光照下,CA测量也显示出处理过的表面非常好的稳定性。

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