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- W4281695786 abstract "AC-driven EL devices have always been the focus of attention because of their great value in the field of intelligent lighting and multifunctional display. AC-driven EL devices based on various materials and optimization methods have been continuously developed. However, the important luminescent semiconductor materials have rarely been systematically studied. Herein, the development of efficient and stable organic and perovskite EL devices, including the optimization of light-emitting materials, and the device structures are comprehensively studied. The different frequency-dependent characteristics of AC-driven EL devices based on organic semiconductors and perovskite semiconductors are mainly introduced due to the discrepancy in the characteristics of the materials themselves. In addition, approaches to reduce the driving voltage and enhance the luminescence performance of AC-driven organic EL devices are also presented. For AC-driven perovskite EL devices, the bias voltage with frequent switching of the electric field direction can alleviate the thermal degradation and charge accumulation of the material to improve the stability of the devices and also effectively suppress the phenomenon of ion migration. The unique advantages of the AC driving mode in the realization of color tunable EL devices are revealed. The application potential and challenges of AC-driven EL devices are discussed." @default.
- W4281695786 created "2022-06-13" @default.
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- W4281695786 date "2022-06-01" @default.
- W4281695786 modified "2023-10-14" @default.
- W4281695786 title "Recent Progress in AC-Driven Organic and Perovskite Electroluminescent Devices" @default.
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