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Perovskite-Based LEDs Achieve New Efficiency Record

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A new efficiency record has been set for perovskite-based LEDs, according to researchers at the University of Cambridge. The researchers showed that by forming a composite layer of the perovskites together with a polymer, it was possible to achieve light-emission efficiencies close to the theoretical efficiency limit of thin-film OLEDs. The perovskite-polymer bulk heterostructure LEDs exhibited external quantum efficiencies of up to 20.1 percent. The perovskite-polymer blend used in the LED devices was made of 2D and 3D perovskite components and an insulating polymer. When the...Read full article

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