Fabrication of robust superhydrophobic copper surface via highly efficient nanosecond laser-based surface functionalization

文献类型： 外文期刊

第一作者： Wang, Qinghua

作者： Wang, Qinghua;Wang, Qinghua;Yin, Kai;Bai, Zongchun;Liu, Jianlong;Huo, Lianfei;Wang, Huixin;Bai, Zongchun;Liu, Jianlong;Huo, Lianfei;Wang, Huixin

作者机构：

关键词： Laser surface functionalization; Superhydrophobic; Copper; Silicone oil; Heat treatment; Robust

期刊名称：OPTIK （ 影响因子：3.1； 五年影响因子：2.6 ）

ISSN： 0030-4026

年卷期： 2023 年 276 卷

页码：

收录情况： SCI

摘要： Creation of superhydrophobic surface via laser-based surface texturing has received considerable attention during the past decades. However, processing efficiency of the fabrication technique and robustness of the fabricated surface have been the major barriers that limit their wider ap-plications. In this work, a laser-based surface functionalization technique was developed for fabrication of robust superhydrophobic surface with a highly efficient processing manner. Laser surface texturing was firstly employed to generate hierarchical surface structures, and silicone oil dripping and heat treatment were further utilized to modify the surface chemistry which ensures the realization of superhydrophobicity. The laser-based functionalized superhydrophobic surface also exhibits remarkable stability and durability subject to long-time storage in air and tape peeling test. More importantly, the developed technique only requires a total post-process treatment duration of similar to 5-10 min, which takes significantly less time than the conventional chemical modification methods such as prolonged aging in air, deposition of chemical coating and low-temperature annealing. The high processing efficiency and surface robustness of the laser-based surface functionalization technique could potentially enable more practical applica-tions in diverse areas.

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