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High-Performance p-NiO/i-BaTiO3/n-ITO Self-driven UV Photodetectors Controlled by Ferroelectric Effect
更新时间:2024-05-14
    • High-Performance p-NiO/i-BaTiO3/n-ITO Self-driven UV Photodetectors Controlled by Ferroelectric Effect

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    • Researchers have developed a high-performance NiO/BaTiO3/ITO p-i-n heterojunction structure self-driven UV photodetector using a low-cost RF sputtering technique. By coupling the ferroelectric depolarization field of BaTiO3 with the built-in field of the p-i-n junction, the separation and migration of photogenerated carriers are greatly promoted. The device's responsivity at 255 nm reaches 3.4×10^-5 A·W^-1, significantly higher than that of reported UV photodetectors prepared from amorphous and ceramic BaTiO3, and it exhibits a fast response speed of 0.3 s/0.4 s. This work provides a new strategy for improving the performance of BaTiO3-based photodetectors.
    • Chinese Journal of Luminescence   Pages: 1-7(2024)
    • DOI:10.37188/CJL.20240118    

      CLC: O482.31
    • Published Online:14 May 2024

      Received:28 April 2024

      Revised:05 January 2024

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  • HONG Hanzhen,LIU Kewei,YANG Jialin,et al.High-Performance p-NiO/i-BaTiO3/n-ITO Self-driven UV Photodetectors Controlled by Ferroelectric Effect[J].Chinese Journal of Luminescence, DOI:10.37188/CJL.20240118

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