Researchers from HZB and Humboldt University Berlin have developed a CIGS-perovskite tandem solar cell that achieves a record-breaking efficiency of 24.6%, certified by the independent Fraunhofer Institute for Solar Energy Systems. Researchers from HZB and Humboldt University Berlin have developed a CIGS-perovskite tandem solar cell that has achieved a record-breaking efficiency of 24.6%, as independently [...]from SciTechDaily https://ift.tt/fDs1WvJ
