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flag University of Sydney team achieves 23.3% efficiency in large perovskite solar cells with improved stability.

flag A team led by the University of Sydney has set a new global efficiency record for large-area triple-junction perovskite solar cells, achieving 23.3% steady-state power conversion efficiency on a 16-square-centimeter device. flag The cell passed rigorous thermal cycling tests, maintaining 95% performance after 400 hours under extreme temperature shifts. flag Researchers improved stability by replacing methylammonium with rubidium and using piperazinium dichloride for surface treatment, while nanoscale gold particles enhanced charge transfer. flag The breakthrough, published in Nature Nanotechnology, advances the viability of durable, high-efficiency perovskite solar technology for real-world deployment.

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