Superhydrophobic and Conductive Cotton Fabric Composite with Excellent Corrosion Resistance for Wearable Electronics,Advanced Materials Interfaces

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Superhydrophobic and Conductive Cotton Fabric Composite with Excellent Corrosion Resistance for Wearable Electronics
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2021-08-14 , DOI: 10.1002/admi.202100651
Zhixin Kang ₁ , Yeqing He ₁ , Jing Sang ₂ , Hidetoshi Hirahara ₂ , Dexin Chen _{3,

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Affiliation

Herein, a superhydrophobic and highly conductive cotton fabric (CF) composite with outstanding corrosion resistance for wearable textile electronics is developed. The fabrication process of the fabric composite involves spraying deposition and electrodeposition. Ag nanoparticles (AgNPs) are first synthesized on cotton fibers surface via two components spraying, forming cotton fibers core/AgNPs shell structure. The CF/AgNPs composite is then covered with a layer of cerium myristate (CeM) by electrodeposition, which endows the composite with superhydrophobicity and outstanding corrosion resistance. The resistivity of CF/AgNPs/CeM composite could reach as low as 0.106 Ω mm. Moreover, the obtained CF/AgNPs/CeM composite exhibits excellent self-cleaning property and superhydrophobicity with a contact angle (CA) of 158.4°. Also, it maintains superhydrophobicity (CA > 150°) after 60 cm abrasion test or immersion in strong acidic/alkaline solution (pH = 1 or 13) for 24 h. In addition, the corrosion current density of conductive fabric composite (CFC) after electrodeposition decreases to 4.79% of the original value in simulated sweat corrosive media, suggesting a significant improvement of anti-corrosion. The developed superhydrophobic CFC with excellent corrosion resistance and self-cleaning performance has promising applications for wearable electronics in harsh conditions.

中文翻译：

具有优异耐腐蚀性的超疏水导电棉织物复合材料用于可穿戴电子产品

在这里，开发了一种用于可穿戴纺织电子产品的具有出色耐腐蚀性的超疏水和高导电棉织物 (CF) 复合材料。织物复合材料的制造过程包括喷涂沉积和电沉积。Ag纳米粒子（AgNPs）首先通过两组分喷涂在棉纤维表面合成，形成棉纤维核/AgNPs壳结构。然后通过电沉积在 CF/AgNPs 复合材料上覆盖一层肉豆蔻酸铈 (CeM)，使复合材料具有超疏水性和出色的耐腐蚀性。CF/AgNPs/CeM 复合材料的电阻率可低至 0.106 Ω毫米。此外，所获得的CF/AgNPs/CeM复合材料表现出优异的自清洁性能和超疏水性，接触角（CA）为158.4 °。此外，在 60 cm 磨损试验或在强酸/碱溶液（pH = 1 或 13）中浸泡24 小时后，它仍保持超疏水性（CA > 150 °）。此外，电沉积后的导电织物复合材料（CFC）在模拟汗液腐蚀介质中的腐蚀电流密度降低至原始值的4.79%，表明其防腐性能得到显着提高。所开发的超疏水 CFC 具有优异的耐腐蚀性和自清洁性能，在恶劣条件下的可穿戴电子产品中具有广阔的应用前景。

更新日期：2021-09-12

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