Antimony Chalcogenide Solar Cell Efficiency Hits a New High of 10.7%

Adding a small amount of sodium sulfide stabilized the reaction kinetics

January 23, 2026

/ Meghana Prasad
/ Solar, Technology
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Researchers at the University of New South Wales (UNSW) Sydney have set a world record efficiency for solar cells based on antimony chalcogenide, achieving a certified power conversion efficiency of 10.7%, according to a study published in Nature Energy.

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Meghana Prasad

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