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One-step electrodeposition to fabricate superhydrophobic surfaces on flexible conductive films: Optimization of metallic compounds

文献类型： 外文期刊

作者： He, Hongyuan 1 ; Du, Jiebin 1 ; Weng, Zhangzhao 2 ; Fan, Changxiang 3 ; Luo, Xicai 4 ; Kang, Zhixin 5 ; Chen, Dexin 1 ;

作者机构： 1.Jinan Univ, Inst Adv Wear & Corros Resistant & Funct Mat, 601 Huangpu Ave West, Guangzhou 510632, Peoples R China

2.Fujian Normal Univ, Strait Inst Flexible Elect, Fuzhou 350117, Peoples R China

3.Guangdong Acad Agr Sci GDAAS, Inst Facil Agr IFA, Guangzhou 510640, Peoples R China

4.Guangzhou Railway Polytech, Sch Elect & Mech Engn, Guangzhou 510430, Peoples R China

5.South China Univ Technol, Sch Mech & Automot Engn, 381 Wushan, Guangzhou 510640, Peoples R China

6.Jinan Univ, Shaoguan Res Inst, 168 Muxi Ave, Shaoguan 512029, Peoples R China

关键词： Superhydrophobic surface; One-step electrodeposition; Anti -corrosion; Metallic compounds

期刊名称：MATERIALS TODAY COMMUNICATIONS （ 影响因子：3.8； 五年影响因子：3.8 ）

ISSN：

年卷期： 2023 年 35 卷

页码：

收录情况： SCI

摘要： Superhydrophobic surfaces were fabricated by a simple one-step electrodeposition technique to deposit three distinct micro/nano hierarchical structures of Ce, Mg, or Cu-based compounds on Ag films on a flexible polymer substrate. Scanning electron microscopy was used to examine the surface morphologies of obtained structures with different deposition. Compared with the bare Ag films, one-step electrodeposition process resulted in superhydrophobicity, including a water contact angle of 159.7 degrees for Ce-modified surfaces, 157.0 degrees for Mg-modified surfaces, and 153.8 degrees for Cu-modified surfaces. Besides, these surfaces showed high thermal stability below 120 celcius, and good flexibility but low electrical conductivity. EDS and XPS results suggest the production of low surface energy materials that formed the superhydrophobic features on the Ag films. Besides, because of the formation of CeO2, Ce-SHS had better superhydrophobicity than Mg-SHS and Cu-SHS. In addition, the potentiodynamic polarization experiments showed that the electrodeposited superhydrophobic surfaces had lower Icorr, higher Ecorr and impedance values in NaCl solution, Na2SO4 solution and Simulated body fluid, and artificial sweat solution compared with the bare silver film, indicating that the electrodeposited protective film has good anti-corrosion properties. These results suggest that the one-step electrodeposition method is a promising strategy to fabricate conducting films with superhydrophobic surfaces for surface protection under various corrosive environments.

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