Perovskite solar cells (PSCs) can offer high light-conversion efficiency with low manufacturing costs.

But to be commercially viable, perovskite films must also be durable and not degrade under solar light over time.

EPFL scientists have now greatly improved the operational stability of PSCs, retaining more than 95% of their initial efficiencies of over 20 % under full sunlight illumination at 60oC for more than 1000 hours.

The breakthrough, which marks the highest stability for perovskite solar cells, is published in Science.

Grant Schreider
Grant curates research and development stories from universities and research labs, making complex findings accessible to a broader audience. His work highlights key innovations driving progress in solar technology. Through his column, readers gain a clear view of the discoveries shaping the future of renewable energy.

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