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Light-induced pyroelectric effect as an effective approach for ultrafast ultraviolet nanosensing

Author

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  • Zhaona Wang

    (School of Materials Science and Engineering, Georgia Institute of Technology
    Applied Optics Beijing Area Major Laboratory, Beijing Normal University)

  • Ruomeng Yu

    (School of Materials Science and Engineering, Georgia Institute of Technology)

  • Caofeng Pan

    (Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences)

  • Zhaoling Li

    (School of Materials Science and Engineering, Georgia Institute of Technology)

  • Jin Yang

    (School of Materials Science and Engineering, Georgia Institute of Technology)

  • Fang Yi

    (School of Materials Science and Engineering, Georgia Institute of Technology)

  • Zhong Lin Wang

    (School of Materials Science and Engineering, Georgia Institute of Technology
    Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences)

Abstract

Zinc oxide is potentially a useful material for ultraviolet detectors; however, a relatively long response time hinders practical implementation. Here by designing and fabricating a self-powered ZnO/perovskite-heterostructured ultraviolet photodetector, the pyroelectric effect, induced in wurtzite ZnO nanowires on ultraviolet illumination, has been utilized as an effective approach for high-performance photon sensing. The response time is improved from 5.4 s to 53 μs at the rising edge, and 8.9 s to 63 μs at the falling edge, with an enhancement of five orders in magnitudes. The specific detectivity and the responsivity are both enhanced by 322%. This work provides a novel design to achieve ultrafast ultraviolet sensing at room temperature via light-self-induced pyroelectric effect. The newly designed ultrafast self-powered ultraviolet nanosensors may find promising applications in ultrafast optics, nonlinear optics, optothermal detections, computational memories and biocompatible optoelectronic probes.

Suggested Citation

  • Zhaona Wang & Ruomeng Yu & Caofeng Pan & Zhaoling Li & Jin Yang & Fang Yi & Zhong Lin Wang, 2015. "Light-induced pyroelectric effect as an effective approach for ultrafast ultraviolet nanosensing," Nature Communications, Nature, vol. 6(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9401
    DOI: 10.1038/ncomms9401
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    Cited by:

    1. Yu, Chengbin & Park, Juhyuk & Ryoun Youn, Jae & Seok Song, Young, 2022. "Integration of form-stable phase change material into pyroelectric energy harvesting system," Applied Energy, Elsevier, vol. 307(C).
    2. Yang Wang & Shuhao Wang & Yanze Meng & Zhen Liu & Dijie Li & Yunyang Bai & Guoliang Yuan & Yaojin Wang & Xuehui Zhang & Xiaoguang Li & Xuliang Deng, 2022. "Pyro-catalysis for tooth whitening via oral temperature fluctuation," Nature Communications, Nature, vol. 13(1), pages 1-13, December.

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