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Have milestone significance! a breakthrough in white light perovskite LED

Recently, Prof. Xuanli Ye and his team from the State Key Laboratory of Luminescent Materials and Devices of South China University of Technology have published a research paper titled "Utilization of Traded Optical Modes for White Perovskite Light-Emitting Diodes with Efficiency over 12%" in the international top journal Joule.


White light emitting diodes (LEDs) are an important part of lighting and display applications, which consume a large amount of electric energy. Therefore, it is of great significance to realize efficient white light LEDs for energy saving and emission reduction.


Based on optical simulation analysis, in the traditional perovskite LED devices, more than 80% of the photons are confined in the device and cannot be emitted, making the light extraction efficiency of perovskite LED generally less than 20%, which has become another key problem restricting its further development.



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