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首页> 外文期刊>RSC Advances >Multiple sheet-layered super slippery surfaces based on anodic aluminium oxide and its anticorrosion property
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Multiple sheet-layered super slippery surfaces based on anodic aluminium oxide and its anticorrosion property

机译：基于阳极氧化铝的多层片状超滑表面及其防腐性能

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Inspired by the nature, there are many studies on the various types of surfaces, such as superhydrophobic surfaces, superoleophobic surfaces and super-slippery surfaces. In this study, we grew compact Co3O4 layers on pure aluminium and anodic aluminium oxide (AAO), and then super-slippery surfaces were fabricated on the two substrates by immersing in lubricating oil. In comparison with Co3O4 growth on pure aluminum super slippery surfaces, the Co3O4 growth on AAO super slippery surfaces showed longer super slippery time, demonstrating that porosity of substrates is a key factor in keeping super slippery property. The morphologies and compositions of the surfaces were characterized by scanning electron microscopy (SEM) and X-ray photo electron spectroscopy. In addition, treatment with liquids at different pH values and the anticorrosion property of multiple-sheet layered super-slippery surfaces were tested by the measurement of water contact angles and electrochemical impedance spectroscopy (EIS). Such high porosity and good anticorrosion property may provide a good understanding for producing slippery-liquid infused porous surfaces (SLIPS).
机译：受自然界的启发，对各种类型的表面进行了许多研究，例如超疏水性表面，超疏油性表面和超滑性表面。在这项研究中，我们在纯铝和阳极氧化铝（AAO）上生长了致密的Co3O4层，然后通过浸入润滑油在两个基底上制造了超滑表面。与纯铝超滑表面上的Co3O4生长相比，AAO超滑表面上的Co3O4生长显示出更长的超滑时间，这表明基材的孔隙率是保持超滑性的关键因素。通过扫描电子显微镜（SEM）和X射线光电子能谱表征了表面的形态和组成。另外，通过测量水接触角和电化学阻抗谱（EIS），测试了在不同pH值下的液体处理和多层超滑表面的抗腐蚀性能。如此高的孔隙率和良好的防腐性能可为生产光滑液体注入的多孔表面（SLIPS）提供很好的理解。

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