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Fabrication and characterization of cauliflower-like silica nanoparticles with hierarchical structure through ion beam irradiation
Journal of Solid State Chemistry ( IF 3.2 ) Pub Date : 2020-06-22 , DOI: 10.1016/j.jssc.2020.121528
Hyeon-Ho Kang , Dong-Hoon Lee

The fabrication of superhydrophobic surfaces is an area of great interest to assorted engineering applications for instance as self-cleaning, anti-biofouling, anti-corrosion, anti-icing, and anti-sticking materials. A simple and inexpensive fabrication process is required to manufacture superhydrophobic surfaces industrially. In this work, we developed a facile process for the fabrication of superhydrophobic surfaces with the use of ion-beam irradiation with argon and oxygen gases. The process of ion beam irradiation was applied to understand the effects of irradiation on the surface morphology and substrate properties. After ion-beam irradiation, the surface morphology was altered to include microstructures with various types of surface roughness and forms. The as-prepared structured surfaces exhibited a high static contact angle (greater than 150°) and excellent superhydrophobicity owing to the synergistic effects of low-surface-energy materials. These results indicate that improving the surface hydrophobicity may solve selected problems associated with surfaces.



中文翻译:

离子束辐照制备具有层状结构的花椰菜状二氧化硅纳米粒子及其表征

超疏水表面的制造是各种工程应用领域中非常感兴趣的领域,例如自清洁,防生物污垢,防腐蚀,防结冰和防粘材料。为了工业上制造超疏水表面,需要简单且廉价的制造工艺。在这项工作中,我们开发了一种利用氩和氧气的离子束辐照来制造超疏水表面的简便方法。应用离子束辐照过程来了解辐照对表面形态和基材性能的影响。离子束辐照后,表面形态发生变化,以包括具有各种类型的表面粗糙度和形式的微结构。所制备的结构化表面由于低表面能材料的协同作用而表现出高的静态接触角(大于150°)和优异的超疏水性。这些结果表明,改善表面疏水性可以解决与表面相关的选定问题。

更新日期:2020-07-02
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