With an efficiency of 20.1 percent, scientists at the Zentrum fr Sonnenenergie-und Wasserstoff-Forschung Baden-Wrttemberg, Germany (Centre for Solar Energy and Hydrogen Research, ZSW) have achieved a new success in striving to increase the electricity yield of solar cells.
The Stuttgart researchers produced thin-film solar cells with a top efficiency of 20.3 percent. With this performance, they exceed their own world record - and minimize to only 0.1 percent the advance of the multi-crystalline solarcells still dominating the market.
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