(Image: Pixabay CC0)
(Image: Pixabay CC0) - Despite their huge potential, the way perovskite solar cells respond to external stimuli - such as heat or moisture - has a considerable impact on their stability. Researchers at EPFL have identified the cause of degradation and developed a technique to improve stability, bringing us closer to widespread adoption of these cost-effective and efficient solar cells. Perovskite solar cells (PSCs) can be made with low-cost materials, are highly efficient, can surpass traditional silicon solar cells, and have the potential to revolutionize renewable energy. However, one of the current drawbacks preventing their widespread use has is their lack of operational stability. Now, scientists at EPFL and Sungkyunkwan University in South Korea have found a way to improve the stability of PSCs. The researchers focused on the degradation of perovskite thin films, which can be damaged by exposure to moisture, heat, and light. The study was carried out by the groups of Professors Michael Grätzel (EPFL) and Nam-Gyu Park (Sungkyunkwan University), and published in Science .
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