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October 9th, 2003
For new energy ideas, quantum dots may be brightest bulb of the bunch
Quantum dots have been shining light on cell biology for years. Now scientists at Sandia National Laboratories want them to shine on us as an energy-efficient alternative to incandescent and fluorescent lights. Lauren Rohwer and her colleagues in Albuquerque, N.M., developed encapsulated nanocrystals that can be integrated onto commercially available light-emitting diode (LED) chips to produce white light. Dubbed quantum dots, the nanocrystals absorb invisible light from the LED and emit it as white light.
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