Scientists from the National University of Singapore (NUS) have achieved a world record efficiency of 24.35% for perovskite solar cells with a 1 cm2 active area. This breakthrough will lead to cheaper, more efficient, and durable solar cells. Perovskites are a type of material that is promising for solar cell applications due to their high light absorption efficiency and ease of fabrication. The NUS team focused on developing innovative and scalable technologies to improve the efficiency of 1 cm2 perovskite solar cells, bridging the efficiency gap and unlocking the full potential of larger-sized devices. They incorporated a novel interface material into the solar cells, which enhanced their optical, electrical, and chemical properties, leading to improved efficiency and longevity. These advancements are crucial for the commercialization and integration of solar cells into various energy systems. The team’s next goals include improving the stability of perovskite solar cells to make them last for 25 years and scaling up the technology to larger modules. This research contributes to a greener future by reducing reliance on fossil fuels and advancing sustainable energy solutions.


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