Abstract A super-hydrophobic (SH) CuO surface was prepared on copper using chemical etching followed by fluorination treatment. The relationship between surface morphology and hydrophobicity was investigated. When the etching time varied from 5 to 120 min, morphology changed from sparse sharp needles to dense sharp needles, and then to a stamen-like structure with flower-like clusters. All these surfaces were SH with the dense micro-needle surface (10 min etching) the best. This SH surface made salt (NaCl) particles deliquesce and roll away. Electrochemical tests showed that it reduced corrosion in a 3.5% (w/w) NaCl solution by more than 102 times.

中文翻译：

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1 超疏水微针CuO表面作为海洋大气腐蚀屏障的制备

摘要 使用化学蚀刻和氟化处理在铜上制备了超疏水 (SH) CuO 表面。研究了表面形态和疏水性之间的关系。当蚀刻时间从 5 到 120 min 变化时，形态由稀疏的尖针变为密密的尖针，再到花蕊状结构和花簇。所有这些表面都是 SH，以致密的微针表面（10 分钟蚀刻）最好。此 SH 表面使盐 (NaCl) 颗粒潮解并滚走。电化学测试表明，它在 3.5% (w/w) NaCl 溶液中的腐蚀降低了 102 倍以上。