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Researchers Develop Invisibly Thin Spray-On Antennas

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Creating an invisibly thin antenna.

Researchers at Drexel University have devised a process for the creation of extremely thin antennas that perform as well as those currently uses in mobile devices.

Credit: Kanit Hantanasirisakul/Drexel University

Drexel University researchers have developed a method for creating invisibly thin antennas from a two-dimensional metallic material called Mxene, which perform as well as antennas currently used in mobile devices, wireless routers, and portable transducers.

Mxene, made from titanium carbide, can be dissolved in water to create an ink or paint, and the material's exceptional conductivity enables it to transmit and direct radio waves, even when applied in a very thin coating.

Drexel's Kapil Dandekar said, "The ability to spray an antenna on a flexible substrate or make it optically transparent means that we could have a lot of new places to set up networks—there are new applications and new ways of collecting data that we can't even imagine at the moment."

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