High-tech film that blocks electromagnetic interference

Electromagnetic interference (EMI), which can harm smartphones, tablets, chips, drones, wearables, and even aircraft and human health, is increasing with the explosive proliferation of devices that generate it. The market for EM-blocking solutions, which employ conductive or magnetic materials, is expected to surpass $7 billion by 2022. Andre Taylor, associate professor of chemical and biomolecular engineering at the NYU Tandon School of Engineering, along with a team of researchers, have fashioned low-cost EMI-blocking composite films, employing spin-spray layer-by-layer processing (SSLbL), letting them produce high-quality films in less time than traditional methods, such as dip coating.

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