Pv Magazine iconPv MagazineSep 2, 2026

Korean researchers achieve world-record 26.7% efficiency for sub-1 cm² perovskite-CIGS tandem solar cell

The result was confirmed by Germany's Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) and included in the Best Research-Cell Efficiency Chart maintained by the US Department of Energy's National Laboratory of the Rookies.

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The result was confirmed by Germany's Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) and included in the Best Research-Cell Efficiency Chart maintained by the US Department of Energy's...

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The result was confirmed by Germany's Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) and included in the Best Research-Cell Efficiency Chart maintained by the US Department of Energy's National Laboratory of the Rookies.

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  • The result was confirmed by Germany's Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) and included in the Best Research-Cell Efficiency Chart maintained by the US Department of Energy's...

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