In May 2025, CWI, AMOLF and DIFFER launched the HELIOS project at Amsterdam Science Park and Eindhoven. Over the next five years, the initiative—funded by NWO-I—will apply artificial intelligence to design next-generation multilayer perovskite solar cells. The goal: faster, more efficient solar energy development powered by data-driven optimization.
HELIOS focuses on designing solar cells with multiple ultra-thin layers, each fulfilling a specific function. Perovskites are already known for their high efficiency and low production cost, but stacking layers increases system complexity. CWI’s AI models help researchers understand how changes in one layer impact the full structure. This drastically speeds up design cycles while reducing the number of physical experiments. The project is backed by €3.71 million in funding from NWO-I.
HELIOS technology paves the way for lightweight, flexible solar cells that can be integrated into buildings, wearables or mobile energy systems. The AI approach also benefits other material innovation areas, such as LED technology and sensors. Through this collaboration, CWI, AMOLF and DIFFER combine AI, digital twin simulations and functional material expertise.
Read here the full news release from CWI
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