Illinois chemists demonstrate that carbon quantum dots emit light, may replace metal quantum dots. (IMAGE)

University of Illinois at Urbana-Champaign, News Bureau

Illinois chemists demonstrate that carbon quantum dots emit light, may replace metal quantum dots.

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Martin Gruebele, right, and graduate student Huy Nguyen demonstrate that economical carbon-based quantum dots emit enough light when excited to eventually replace the expensive and toxic metal quantum dots used in many health and electronics applications.

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Photo by L. Brian Stauffer

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