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Performances of surface plasmon enhanced MgZnO ultraviolet photodetector based on parallel effect

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Abstract

The responsivity of surface plasmon (SP) modified metal–semiconductor-metal ultraviolet photodetectors (PDs) was increased from 1.15 × 10−3 to 2.5 × 10−3 A/W by varying the number of interdigitated electrode pairs. MgZnO films with Pt nanoparticles (NPs) having a grain size of 6.26 nm in a 25-pair interdigitated electrode arrangement showed improved responsivity and signal to noise ratio in comparison with the bare MgZnO PD. This improvement was attributed to both the enhanced conductivity and increased absorption resulting from the near-field enhancement of the SP. Parallel effect physical simulation results were in reasonable agreement with our experimental results.

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Acknowledgments

This work is supported by the National Natural Science Foundation of China (Grant No. 61774023), Scientific and Technological “13th Five-Year Plan” Project of Jilin Provincial Department of Education (Grant No. JJKH20190768KJ), Specialized Fund for the Doctoral Research of Jilin Engineering Normal University under Grants No. BSKJ201906.

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Authors and Affiliations

  1. Jilin Engineering Laboratory for Quantum Information Technology, Jilin Engineering Normal University, 3050 Kaixuan Street, Changchun, China

    Zexuan Guo, Jing Zhang & Chunyan Xu

  2. Institute for Interdisciplinary Quantum Information Technology, Jilin Engineering Normal University, Changchun, 130052, China

    Zexuan Guo, Jing Zhang & Chunyan Xu

  3. School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, 130022, China

    Man Zhao & Dayong Jiang

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  1. Zexuan Guo
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  2. Man Zhao
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  3. Jing Zhang
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  5. Dayong Jiang
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Contributions

Zexuan Guo and Man Zhao conceived and designed the study. Zexuan Guo performed the experiments. Zexuan Guo wrote the paper. Dayong Jiang reviewed and edited the manuscript. All authors read and approved the manuscript.

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Correspondence to Man Zhao.

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Guo, Z., Zhao, M., Zhang, J. et al. Performances of surface plasmon enhanced MgZnO ultraviolet photodetector based on parallel effect. J Mater Sci: Mater Electron 31, 2240–2245 (2020). https://doi.org/10.1007/s10854-019-02755-2

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  • DOI: https://doi.org/10.1007/s10854-019-02755-2

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