Tailoring Silver Nanowire Nanocomposite Interfaces to Achieve Superior Stretchability, Durability, and Stability in Transparent Conductors,Nano Letters

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Tailoring Silver Nanowire Nanocomposite Interfaces to Achieve Superior Stretchability, Durability, and Stability in Transparent Conductors
Nano Letters ( IF 9.6 ) Pub Date : 2022-04-29 , DOI: 10.1021/acs.nanolett.2c00876
Yang Liu ₁ , Xin Xu ₁ , Yu Wei ₁ , Yongsong Chen ₁ , Meng Gao ₁ , Zhengjian Zhang ₁ , Chuanling Si ₁ , Hongpeng Li ₂ , Xinyi Ji ₃ , Jiajie Liang _{3,

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Affiliation

Silver nanowires (AgNWs) have been considered as a promising candidate for transparent stretchable conductors (TSCs). However, the strong interface mismatch of stiff AgNWs and elastic substrates leads to the stress concentration at their interface and ultimately the low stretchability and poor durability of TSCs. Here, to address the interfacial mismatch of AgNWs-based TSCs we put forward a universal interface tailoring strategy that introduces the mercapto compound as the intermediate cross-linked layer. The mercapto compound strongly interacts with the AgNWs, forming a dense protective layer on their surface to improve their corrosion resistance, and reacts with the polymer substrate, forming a buffer layer to release the concentrated stress. As a result, the optimized TSCs showed superior stretchability (160%), exceptional durability (230 000 cycles), competent optoelectrical performance (18.0 ohm·sq^–1 with a transmittance of 86.5%), and prominent stability. This work provides clear guidance and a strong impetus for the development of transparent stretchable electronics.

中文翻译：

定制银纳米线纳米复合材料界面以在透明导体中实现卓越的拉伸性、耐用性和稳定性

银纳米线（AgNWs）被认为是透明可拉伸导体（TSCs）的有希望的候选者。然而，刚性AgNWs和弹性基板的强界面失配导致它们界面处的应力集中，最终导致TSCs的低拉伸性和较差的耐久性。在这里，为了解决基于 AgNWs 的 TSC 的界面失配问题，我们提出了一种通用界面剪裁策略，该策略将巯基化合物作为中间交联层。巯基化合物与AgNWs强烈相互作用，在其表面形成致密的保护层以提高其耐腐蚀性，并与聚合物基材反应，形成缓冲层以释放集中应力。结果，优化后的 TSC 表现出优异的拉伸性（160%），^–1，透光率86.5%），稳定性突出。这项工作为透明可拉伸电子产品的发展提供了明确的指导和强大的推动力。

更新日期：2022-04-29

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