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Solid-State Lighting: An Opportunity for Nanotechnologists to Address the Energy Challenge
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25 Apr 2007 |
More than one-fifth of the electrical power consumed in the U.S. is used for general illumination. Much of this energy is wasted to heat filaments in incandescent lamps, a century-old technology with an efficiency of about 5%. Fluorescent lighting is more efficient, but problems of color quality,...