The researchers designed a family of materials that don't include rare earths but instead are made out of copper iodide, which is an abundant compound. They tuned them to glow a warm white shade or various other colors using a low-cost solution process. "Combining these features, this material class shows significant promise for use in general lighting applications," the scientists conclude.
Explore further: Researchers find LEDs attract more flying invertebrates than conventional lighting
More information: J. Am. Chem. Soc., 2014, 136 (40), pp 14230–14236. DOI: 10.1021/ja507927a
Journal reference: Journal of the American Chemical Society
Provided by American Chemical Society
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