Fabrication of robust superhydrophobic copper surface via highly efficient nanosecond laser-based surface functionalization
文献类型： 外文期刊
作者： Wang, Qinghua 1 ; Yin, Kai 2 ; Bai, Zongchun 3 ; Liu, Jianlong 3 ; Huo, Lianfei 3 ; Wang, Huixin 3 ;
作者机构： 1.Southeast Univ, Sch Mech Engn, Jiangsu Key Lab Design & Manufacture Micronano Bio, Nanjing 211189, Peoples R China
2.Cent South Univ, State Key Lab High Performance Complex Mfg, Changsha 410083, Peoples R China
3.Jiangsu Acad Agr Sci, Inst Agr Facil & Equipment, Nanjing 210014, Peoples R China
4.Minist Agr & Rural Affairs, Key Lab Protected Agr Engn Middle & Lower Reaches, Nanjing 210014, Peoples R China
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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