Recently, a research paper titled "Inhibiting defect passivation failure in perovskite/Cu(In,Ga)Se2 monolithic tandem solar cells with certified efficiency 27.35%", jointly published by the Low Carbon Energy Institute and Beijing Institute of Technology, was officially published in the journal *Nature Energy* (with an impact factor of 60.1). This research has achieved a significant breakthrough, with the jointly developed perovskite-copper indium gallium selenide (CIGS) thin-film tandem solar cell achieving a certified conversion efficiency of 27.35%, surpassing the world record of 26.3% set by a South Korean team recently announced by the US National Renewable Energy Laboratory (NREL).
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