Peer-reviewed veterinary case report
How lightweight metallic nanomeshes block electromagnetic interference
By Thakur S et al.·2026·Department of Materials Science and Engineering, India·View original on Europe PMC →
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Original publication title: Surface Buckling-Enabled Fabrication of Metallic Nanomeshes for Lightweight EMI Shielding.
Plain-English summary
This study looks at a new way to make very thin metallic meshes that can help block electromagnetic interference (EMI), which can disrupt electronic devices. The researchers developed a method that uses a special technique to create these meshes from metals like nickel, titanium, and aluminum, making it easier and cheaper to produce them in large quantities. The resulting meshes not only block EMI effectively but also allow some light to pass through, making them potentially useful for applications where transparency is important. The study shows that these meshes can be made with different levels of porosity, which affects how well they work at blocking interference and how much light they let through. Overall, the new fabrication method is promising for creating effective and transparent EMI shielding materials.
Abstract
Lightweight metallic nanomeshes are promising for electromagnetic interference (EMI) shielding, but scalable, low-cost fabrication routes that yield tunable porosity and optical transparency remain limited. Here, we introduce a polymer surface buckling assisted exfoliation strategy to produce ultrathin 2D metallic meshes of Ni, Ti, and Al with controllable porosity. This approach enables large-area, low-cost fabrication without complex lithography, etching or harsh chemicals, offering a significant advance over conventional preparation routes. The resulting porous metallic networks exhibit absorption-dominated EMI shielding, achieving up to 28 dB shielding effectiveness in the X-band for Ni meshes, with high gains in shielding efficiency per nm. At the highest porosities studied, the metallic meshes show transmittance between 60% and 80% at 400 nm, underscoring their potential for transparent shielding applications. Temperature-dependent electrical measurements on Al and Ni meshes show resistance minima at low temperature, consistent with intergranular/interflake Coulomb interaction effects. Our results demonstrate a scalable fabrication strategy and clarify the structure-property relationships governing charge transport, optical transmittance, and EMI attenuation in metallic nanomeshes.
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Search related cases →Original publication on Europe PMC: https://europepmc.org/article/MED/41799089