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Ultraviolet Photodetector based on Sr2Nb3O10 Perovskite Nanosheets

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Abstract

Liquid-phase exfoliation was employed to synthesize Sr2Nb3O10 perovskite nanosheets with thicknesses down to 1.76 nm. Transmission electron microscopy (TEM), atomic force microscope (AFM), X-ray photoelectron spectrometer (XPS), and other characterization techniques were used to evaluate the atomic structure and chemical composition of the exfoliated nanosheets. A UV photodetector based on individual Sr2Nb3O10 nanosheets was prepared to demonstrate the application of an ultraviolet (UV) photodetector. The UV photodetector exhibited outstanding photocurrent and responsivity with a responsivity of 3 × 105 A·W−1 at 5 V bias under 280 nm illumination, a photocurrent of 60 nA, and an on/off ratio of 3 × 102.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China

    Binbin Zhang  (张斌斌) & Baowen Li  (李宝文)

  2. CAS Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijin, 100083, China

    Mengmeng Jia & Junyi Zhai

  3. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China

    Qi Liang, Jinsong Wu & Baowen Li  (李宝文)

Authors
  1. Binbin Zhang  (张斌斌)
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  2. Mengmeng Jia
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  3. Qi Liang
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  4. Jinsong Wu
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  5. Junyi Zhai
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  6. Baowen Li  (李宝文)
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Corresponding author

Correspondence to Baowen Li  (李宝文).

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All authors declare that there are no competing interests.

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Funded by the National Natural Science Foundation of China (Nos. 51872214 and 52172124) and the Fundamental Research Funds for the Central Universities (WUT: 2021III019JC and 2018III041GX)

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Zhang, B., Jia, M., Liang, Q. et al. Ultraviolet Photodetector based on Sr2Nb3O10 Perovskite Nanosheets. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 39, 282–287 (2024). https://doi.org/10.1007/s11595-024-2881-y

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  • DOI: https://doi.org/10.1007/s11595-024-2881-y

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