Tiny molecular layers help perovskite solar cells survive 1,210 hours of heat and light

Solar cells' efficiency and lifespan are often determined by what happens at interfaces—the microscopic boundaries where different materials meet. Researchers from The Hong Kong University of Science and Technology (HKUST) have contributed to two recently published studies that show molecular interface engineering can unlock major gains in the efficiency and durability of next-generation perovskite tandem solar cells.

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