Scientists make perovskite solar cells perform in high temperatures

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These materials have unique properties that make them efficient at converting sunlight into electricity. Perovskite solar cells have drawn interest due to their potential to provide cheap, high-efficiency solar energy. Despite their potential, perovskite solar cells face some challenges. They are sensitive to moisture, can degrade over time, and exhibit thermal instability, not functioning well in high temperatures. Researchers are working to improve their stability and durability and mayA special kind of self-assembled monolayer, or SAM for short, has been created by a team at CityU and anchored on a nickel oxide surface as a charge extraction layer.

“By introducing a thermally robust charge extraction layer, our improved cells retain over 90% of their efficiency, boasting an impressive efficiency rate of 25.6%, even after operated under high temperatures, around (65℃) for over 1,000 hours. This is a milestone achievement.”

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