27 Apr '16, 1pm

MIT: Changing Coal into Circuitry | EE Times on @eetimes

MIT: Changing Coal into Circuitry | EE Times on @eetimes

LAKE WALES Fla.—Most semiconductors today are made from refined materials, such as silicon, which require several expensive purification steps to become suitable for fabricating devices. Now researchers at Massachusetts Institute of Technology (MIT) are experimenting with using un-purified materials for semiconductors, namely coal. Coal contains mixtures of carbon, hydrogen, sulfur, oxygen and nitrogen in various proportions depending on the type of coal. Researchers from MIT's Department of Materials Science and Engineering are looking for applications suitable for thin films that they've made from slurries of types of coal found in nature, rather than adapting the coal's formulae to suit the application. So far the MIT researchers have made a solid-state heater, suitable for car windshields, defrosting airplane wings, or for use in biomedical implants. "With this work [o...

Full article: http://www.eetimes.com/document.asp?doc_id=1329545

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