Silver Meshes for Record-Performance Transparent Electromagnetic Interference Shielding,ACS Applied Materials & Interfaces

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Silver Meshes for Record-Performance Transparent Electromagnetic Interference Shielding
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2023-06-14 , DOI: 10.1021/acsami.3c02088
Mingxuan Li ₁ , Mehdi Zarei ₂ , Khashayar Mohammadi ₃ , S Brett Walker ₄ , Melbs LeMieux ₄ , Paul W Leu _{1,

2,

5}

Affiliation

We present a simulation and experimental study of silver meshes to determine their performance for transparent electromagnetic interference (EMI) shielding. Simulations were employed to study the effects of the silver mesh’s width, pitch, and thickness on EMI shielding efficiency (SE) in the 8–18 GHz frequency range and transparency in the visible spectrum. We demonstrate a scalable, facile fabrication method that involves embedding meshes in glass by etching trenches in glass and filling and curing reactive particle-free silver ink in these trenches. Our silver meshes achieve 58.4 dB EMI SE with 83% visible light transmission and 48.3 dB EMI SE with 90.3% visible transmission. The combination of high-conductivity silver, small widths (1.3 to 5 μm), and large thicknesses (0.5 to 2.0 μm) enables the best performance of metal meshes as well as single-sided shielding materials for transparent EMI shielding, as reported in the literature.

中文翻译：

用于创纪录性能透明电磁干扰屏蔽的银网

我们对银网进行了模拟和实验研究，以确定其透明电磁干扰 (EMI) 屏蔽的性能。通过仿真研究银网的宽度、节距和厚度对 8-18 GHz 频率范围内的 EMI 屏蔽效率 (SE) 以及可见光谱透明度的影响。我们展示了一种可扩展、简便的制造方法，该方法包括通过在玻璃中蚀刻沟槽并将网格嵌入玻璃中，并在这些沟槽中填充和固化反应性无颗粒银墨水。我们的银网可实现 58.4 dB EMI SE（可见光透射率 83%）和 48.3 dB EMI SE（可见光透射率 90.3%）。高导电银、小宽度（1.3 至 5 μm）和大厚度（0.5 至 2.0 μm）的组合。

更新日期：2023-06-14

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