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flag Australian researchers set a world record with antimony chalcogenide solar cells at 11.02% efficiency, using sodium sulfide to boost performance.

flag Researchers at the University of New South Wales achieved a world record 11.02% efficiency in antimony chalcogenide solar cells, with 10.7% independently verified by CSIRO. flag By adding sodium sulfide to the precursor solution, they improved elemental distribution, reduced energy barriers, and enhanced charge transport. flag The material’s low-cost, abundant components, low-temperature processing, and suitability for tandem, transparent, and indoor applications make it a promising next-generation solar technology. flag Further gains up to 12% are possible with defect passivation.

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