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New solar cell coating triples efficiency, stability, conversion rate
The new coating, developed by Northwestern University scientists, was 10 times more resistant to decomposition in perovskite solar cells.
Northwestern’s Mercouri Kanatzidis, who co-led the study, stated that the new research addresses one of the critical barriers to widespread adoption of perovskite solar cells — stability under real-world conditions. “By chemically reinforcing the protective layers, we’ve significantly advanced the durability of these cells without compromising their exceptional efficiency, bringing us closer to a practical, low-cost alternative to silicon-based photovoltaics,” said Kanatzidis. The coated solar cell also retained 90% of its initial efficiency after 1,100 hours of testing under harsh conditions, demonstrating a T90 lifetime three times longer than before when exposed to heat and light, according to study.
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