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University of Illinois Researchers Fine-Tune the Sensitivity of Nano-Chemical Sensor



5/9/2013 8:10:01 AM

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Researchers have discovered a technique for controlling the sensitivity of graphene chemical sensors. The sensors, made of an insulating base coated with a graphene sheet—a single-atom-thick layer of carbon—are already so sensitive that they can detect an individual molecule of gas. But manipulating the chemical properties of the insulating layer, without altering the graphene layer, may yet improve their ability to detect the most minute concentrations of various gases.

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