制造TiO2@Cu网与令人印象深刻的疏水表面电磁干扰屏蔽

IF 2.7 4区 材料科学 Q3 CHEMISTRY, PHYSICAL Surface Innovations Pub Date : 2023-11-08 DOI:10.1680/jsuin.23.00067
Yongchao Yuan, Yangyang He, Shouxin Shi, Degang Wu, Guanda Yang
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引用次数: 0

摘要

本研究利用改性二氧化钛(tio2)涂层对铜网进行表面改性,以增强其表面疏水性,同时保持其屏蔽电磁干扰(EMI)的效果。采用硅偶联剂处理二氧化钛颗粒制备微/纳米超疏水涂层。沉积时间对镀层分布、孔隙填充和表面疏水性均有影响。与具有三层涂层的t - tio2 @Cu网和原始o - tio2 @Cu网相比,具有单层改性二氧化钛涂层的s - tio2 @Cu网具有最高的水接触角。结果表明,s - tio2 @Cu网疏水涂层具有优异的自清洁性能和良好的耐磨性。此外,s - tio2 @Cu网和t - tio2 @Cu网在不影响铜网固有性能的情况下都具有良好的emi屏蔽效率。这些发现为铜网基板的表面改性提供了实用的见解,强调了表面性能和电磁干扰屏蔽之间的平衡。疏水涂层有望用于多功能应用,在不影响emi屏蔽性能的情况下提供增强的表面性能。
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Fabrication of TiO2@Cu mesh with impressive hydrophobic surface for electromagnetic interference shielding
This study investigated the surface modification of copper mesh using modified titanium dioxide (TiO 2 ) coatings to enhance its surface hydrophobic properties while preserving electromagnetic interference (EMI) shielding effectiveness. Silicon-coupling-agent-treated titanium dioxide particles were employed to create micro/nanostructured superhydrophobic coatings. The deposition times were found to influence the coating distribution, pore filling and surface hydrophobicity. S-TiO 2 @Cu mesh with a single layer of modified titanium dioxide coating exhibited the highest water contact angle compared with T-TiO 2 @Cu mesh with triple layer coatings and the original O-TiO 2 @Cu mesh. The superior self-cleaning performance and robust wear resistance of the hydrophobic coatings for S-TiO 2 @Cu mesh were revealed. In addition, both S-TiO 2 @Cu mesh and T-TiO 2 @Cu mesh exhibited satisfactory EMI-shielding efficiency without compromising the intrinsic properties of the copper mesh. These findings provide practical insights into surface modification of copper mesh substrates, emphasizing the balance between surface properties and EMI shielding. The hydrophobic coatings hold promise for multifunctional applications, offering enhanced surface properties without compromising EMI-shielding performance.
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来源期刊
Surface Innovations
Surface Innovations CHEMISTRY, PHYSICALMATERIALS SCIENCE, COAT-MATERIALS SCIENCE, COATINGS & FILMS
CiteScore
5.80
自引率
22.90%
发文量
66
期刊介绍: The material innovations on surfaces, combined with understanding and manipulation of physics and chemistry of functional surfaces and coatings, have exploded in the past decade at an incredibly rapid pace. Superhydrophobicity, superhydrophlicity, self-cleaning, self-healing, anti-fouling, anti-bacterial, etc., have become important fundamental topics of surface science research community driven by curiosity of physics, chemistry, and biology of interaction phenomenon at surfaces and their enormous potential in practical applications. Materials having controlled-functionality surfaces and coatings are important to the manufacturing of new products for environmental control, liquid manipulation, nanotechnological advances, biomedical engineering, pharmacy, biotechnology, and many others, and are part of the most promising technological innovations of the twenty-first century.
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