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EPFL, CSEM achieve world record efficiency of 30.02% in perovskite-silicon triple-junction solar cell

An international research team boosted triple-junction solar cell performance by enhancing perovskite crystal growth, increasing middle-cell light absorption, and adding reflective nanoparticles.Researchers from the Swiss Center for Electronics and Microtechnology (CSEM) and the École polytechnique fédérale de Lausanne (EPFL) claim to have achieved a power conversion efficiency exceeding 30% for a triple-junction solar cells combining two thin-f…
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An international research team increased the performance of triple-link solar cells by improving crystalline perovskit growth, increasing light absorption in the intermediate cell and adding reflective nanoparticles. Researchers at the Swiss Center for Electronics and Microtechnology (CSEM) and the École polytechnique fédérale de Lausanne (EPFL) claim to have achieved a power conversion efficiency of over 30% in a triple-link solar cell combinin…

Researchers from the EPFL (Lausana Federal Polytechnic School) and the CSEM have produced a triple binding solar cell that achieves 30.0% of certified efficiency, breaking the previous record of 27.1%. The solar cell of triple union of perovskita-silicon is a photovoltaic device that stacks three layers of semiconductor materials — two of perovskita and one of silicon — to capture a wider spectrum of sunlight and convert it into electricity. The…

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pv magazine International broke the news in on Thursday, March 19, 2026.
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