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首页> 外文期刊>ACS applied materials & interfaces >10 1021/acsarni.6b14430Highly Wavelength-Selective Enhancement of Responsivity in Ag Nanoparticle-Modified ZnO UV Photodetector
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10 1021/acsarni.6b14430Highly Wavelength-Selective Enhancement of Responsivity in Ag Nanoparticle-Modified ZnO UV Photodetector

机译：10 1021 / ACSARNI.6B14430高点波长选择增强Ag纳米粒子改性ZnO UV光电探测器中的响应性的增强

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摘要

We proposed and demonstrated Ag nanoparticles (NPs)-decorated ZnO photodetectors for UV light sensing. After decoration of their surface with random Ag NPs, the dark current density of ZnO UV photodetectors decreases obviously. Moreover, the device exhibits an obvious increase in peak responsivity at around 380 nm, which can be attributed to the narrow-band quadrupole plasmon resonance of Ag NPs in the UV range. Meanwhile, the responsivity at the other wavelengths decreases a lot. As a result, the response peak becomes more significant, and the response of the devices presents an excellent wavelength selectivity after covering with Ag NPs. The detailed mechanism for this phenomenon was explained. We believe that our findings would open a way to harness the high order plasmon modes in the field of UV optoelectronic devices.
机译：我们提出并证明了Ag纳米颗粒（NPS） - 用于UV光敏的ZnO光电探测器。 随着随机AG NPS的表面装饰后，ZnO紫外光探测器的暗电流密度明显降低。 此外，该装置在约380nm的峰值响应率下表现出明显的增加，这可以归因于UV范围内Ag NP的窄带四极血浆谐振。 同时，其他波长的响应率降低了很多。 结果，响应峰变得更加重要，并且在用AG NPS覆盖后，器件的响应呈现出优异的波长选择性。 解释了这种现象的详细机制。 我们相信，我们的调查结果将开设一种方法来利用UV光电器件领域的高阶等模式。

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  • 作者

    Wang Xiao; Liu Kewei; Chen Xing; Li Binghui; Jiang Mingming; Zhang Zhenzhong; Zhao Haifeng; Shen Dezhen;

  • 作者单位

    Chinese Acad Sci Changchun Inst Opt Fine Mech &

    Phys State Key Lab Luminescence &

    Applicat Changchun 130033 Peoples R China;

    Chinese Acad Sci Changchun Inst Opt Fine Mech &

    Phys State Key Lab Luminescence &

    Applicat Changchun 130033 Peoples R China;

    Chinese Acad Sci Changchun Inst Opt Fine Mech &

    Phys State Key Lab Luminescence &

    Applicat Changchun 130033 Peoples R China;

    Chinese Acad Sci Changchun Inst Opt Fine Mech &

    Phys State Key Lab Luminescence &

    Applicat Changchun 130033 Peoples R China;

    Chinese Acad Sci Changchun Inst Opt Fine Mech &

    Phys State Key Lab Luminescence &

    Applicat Changchun 130033 Peoples R China;

    Chinese Acad Sci Changchun Inst Opt Fine Mech &

    Phys State Key Lab Luminescence &

    Applicat Changchun 130033 Peoples R China;

    Chinese Acad Sci Changchun Inst Opt Fine Mech &

    Phys State Key Lab Luminescence &

    Applicat Changchun 130033 Peoples R China;

    Chinese Acad Sci Changchun Inst Opt Fine Mech &

    Phys State Key Lab Luminescence &

    Applicat Changchun 130033 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学工业;
  • 关键词

    surface plasmon resonance; semiconductor; quadrupole; wide band gap; solar-blind;

    机译：表面等离子体共振;半导体;四极;宽带隙;太阳能盲;

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