Tiny Solar Cell Could Make a Big Difference

How small can a solar cell be and still be a powerhouse? How about six hundred microns wide ? about the diameter of a dot made by a ballpoint pen? The U.S. Department of Energy's National Renewable Energy Laboratory recently validated greater than 41 percent efficiency at a concentration of 1,000 suns for tiny cells made by Semprius ? one of the highest efficiencies recorded at this concentration. The energy conversion efficiency of a solar cell is the percentage of sunlight converted by the cell into electricity.

Source: http://www.renewableenergyworld.com/rea/news/article/2011/12/tiny-solar-cell-could-make-a-big-difference?cmpid=rss

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