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    Researchers Develop Perovskite LED with High Efficiency and Stability

    Researchers Develop Perovskite LED with High Efficiency and Stability

    Source： ledinside.com 21 Apr 2020
    LED research perovskite

    A research team consisting of scholars from Sweden, UK, China and the Czech has developed a perovskite LED with both high efficiency and long operational stability. The result has been published in Nature Communications, titled “Perovskite-molecule composite thin films for efficient and stable light-emitting diodes.”


    Perovskites are a large family of semiconducting materials that have aroused the interest of scientists around the world. Their special crystal structure means that they have excellent optical and electronic properties, while they are both easy and cheap to manufacture. Most progress has been made in research into the use of perovskites in solar cells, but they are also well-suited for the manufacture of LEDs.


    The efficiency of the LEDs, which measures the fraction of charge carriers input to the material that are subsequently emitted as light, has increased considerably in recent years, and will soon reach that of competing technology. They are, however, not particularly stable, which means that so far they cannot be used in practice.

     

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