Researchers create high-quality graphene with shockingly simple supersonic spray system

May 29, 2014 2:05 PM

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Researchers create high-quality graphene with shockingly simple supersonic spray system

By using a supersonic nozzle more commonly found at the business end of rocket and jet engines, researchers at the University of Illinois at Chicago have devised a very simple and inexpensive way of producing high-quality, defect-free sheets of graphene on a range of substrates (materials). Other methods at producing large quantities of defect-free graphene have so far been very elusive – and, for the purposes that we’re interested in (replacing silicon in microelectronics), anything less than defect-free just won’t do.

The method, developed by the University of Illinois in association with some researchers in South Korea, is painfully simple — which is usually a very good sign, when it comes to scaling a process up to industrial levels. Basically, the researchers take a commercially available graphene suspension (...

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