New crystal seeding method boosts perovskite solar cell efficiency to 23%

Science Daily

March 2, 2026

AI-Generated Deep Dive Summary

In a significant advancement for renewable energy technology, researchers have developed a new crystal seeding method that pushes the efficiency of inverted perovskite solar cells to an impressive 23%. This breakthrough addresses a long-standing challenge: the hidden interface within these devices, which previously limited their performance and durability. By introducing crystal-solvate nanoseeds, scientists have found a way to guide crystal growth while releasing solvent in a controlled manner during heating. This innovative approach results in smoother, denser materials with enhanced electronic properties and improved stability. The hidden interface inside inverted perovskite solar cells has been a major hurdle for researchers aiming to maximize efficiency and reliability. These devices are highly promising due to their potential for scalability and low production costs, but their performance has been constrained by issues at this buried layer. The new method involves the use of nanoseeds that not only regulate crystal growth but also release solvent in a controlled way during the heating process. This precise control leads to higher-quality films, which are essential for achieving superior electronic properties and long-term stability. The researchers tested their approach on a large mini-module, achieving an impressive 23.15% efficiency with minimal scaling losses. This outcome demonstrates that the method is not only effective at small scales but also scalable, making it a practical solution for real-world applications. The improved film quality ensures better durability and performance, which are critical factors for widespread adoption of perovskite solar cells. This breakthrough matters because it brings us closer to realizing affordable, high-efficiency solar energy solutions that can compete with traditional silicon-based panels. Perovskite solar cells have the potential to revolutionize the renewable energy sector due to their low cost and

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Originally published on Science Daily on 3/2/2026