28 Aug '17, 4pm

Science begets innovation! @NREL and Swiss researchers push #solar cell efficiency limits

Science begets innovation! @NREL and Swiss researchers push #solar cell efficiency limits

Collaboration between researchers at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL), the Swiss Center for Electronics and Microtechnology (CSEM), and the Ecole Polytechnique Federale de Lausanne (EPFL) shows the high potential of silicon-based multijunction solar cells. The research groups created tandem solar cells with record efficiencies of converting sunlight into electricity under 1-sun illumination. The resulting paper, “Raising the One-Sun Conversion Efficiency of III–V/Si Solar Cells to 32.8% for Two Junctions and 35.9% for Three Junctions ,” appears in the new issue of Nature Energy. NREL says solar cells made solely from materials in Groups III and V of the Periodic Table have shown high efficiencies, but are more expensive. Stephanie Essig, a former NREL post-doctoral researcher now working at EPFL in Switzerland, is lead author of t...

Full article: http://solarindustrymag.com/nrel-swiss-scientists-push-so...

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#renewables…

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