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Four junctions: higher efficiency
Having hit efficiency milestones of 43.6% and then 44.7% with its four-junction concentrator PV cells last year, the Soitec/Fraunhofer ISE collaboration reckons that it could be en route to the 50% mark. Soitec acquired Concentrix, a CPV company originally spun out of the German research center, back in 2009. Credit: Fraunhofer ISE/Soitec.
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