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Johannes Gutenberg University Mainz

Johannes Gutenberg University Mainz

Research University

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Researchers surpass solar energy's quantum ceiling using singlet fission and spin-flip emitters

New Capabilities

Partner institution; developed the spin-flip emitter material

Every conventional solar cell hits the same wall: a single photon can knock loose one electron, at most. That constraint, formalized in 1961, caps silicon panels at roughly 33% efficiency.

Updated May 30