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首页> 外文期刊>ACS applied materials & interfaces >One-Step Solution Immersion Process to Fabricate Superhydrophobic Surfaces on Light Alloys
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One-Step Solution Immersion Process to Fabricate Superhydrophobic Surfaces on Light Alloys

机译：一步法浸入法在轻合金上制造超疏水表面

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摘要

A simple and universal one-step process bas been developed to render light alloys (including AZ91D Mg alloy, 5083 Al alloy, and TC4 Ti alloy) superhydrophobic by immersing the substrates in a solution containing low-surface-energy molecules of 1H,1H,2H,2H-perfluorooctyltrichlorosi-lane (PFOTS, 20 μL), ethanol (10 mL), and H2O (10 mL for Al and Mg alloy)/H2O2 (15%, 10 mL for Ti alloy). Field-emission scanning electron microscopy, X-ray photoelectron spectroscopy, and water contact angle measurements have been performed to characterize the morphological features, chemical composition, and wettability of the surfaces, respectively. The results indicate that the treated light alloys are rough-structured and covered by PFOTS molecules; consequently, the surfaces show static contact angles higher than 150° and sliding angles lower than 10°. This research reveals that it is feasible to fabricate superhydrophobic surfaces (SHS) easily and effectively without involving the traditional two-step processes. Moreover, this one-step process may find potential application in the field of industrial preparation of SHS because of its simplicity and universality.
机译：开发了一种简单通用的单步工艺，通过将基材浸入含有1H，1H， 2H，2H-全氟辛基三氯硅烷（PFOTS，20μL），乙醇（10 mL）和H2O（Al和Mg合金为10 mL）/ H2O2（15％，Ti合金为10 mL）。已经进行了场发射扫描电子显微镜，X射线光电子能谱和水接触角测量，以分别表征表面的形貌特征，化学组成和润湿性。结果表明，处理后的轻合金组织粗糙，被PFOTS分子覆盖。因此，这些表面的静态接触角大于150°，滑动角小于10°。这项研究表明，无需涉及传统的两步法即可轻松有效地制造超疏水表面（SHS）是可行的。而且，这一一步过程由于其简单性和通用性而可能在SHS的工业制备领域中找到潜在的应用。

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