Custom-built tandem solar cell converts record 25.5% sunlight into electricity
SMRTR summary
German researchers set a certified world record with a tandem solar cell converting 25.5% of sunlight into electricity — surpassing their own 24.6% record from 2025. The palm-sized 1 cm² cell stacks perovskite atop a CIGS base, capturing more light spectrum. Internal tests have already hit 27.5% efficiency, with 30% potentially achievable.
SMRTR provides this summary for quick context. The original article belongs to Interesting Engineering.
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