01 Mar '12, 12am

#NREL, #UCLA Certify World Record for #Polymer #Solar #Cell Efficiency

News Release NR-1412 NREL, UCLA Certify World Record for Polymer Solar Cell Efficiency At 8.6% efficiency, cells clear path for devices that can harvest a broader spectrum of the sun’s radiation February 29, 2012 Scientists boosted the significance of tandem polymer solar cells by successfully testing cells with low-bandgap polymers that achieved certified conversion efficiencies of 8.62 ± 0.3% with respect to standard terrestrial reporting conditions. That’s the highest independently measured efficiency for a polymer solar cell, say researchers from the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) and UCLA, who co-authored a report in the Feb. 12 issue of Nature Photonics. That report, “Tandem polymer solar cells featuring a spectrally matched low-bandgap polymer,” notes that tandem solar cells by their design can harvest a broader spectrum of t...

Full article: http://www.nrel.gov/news/press/2012/1801.html

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