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Effect of different superimposed structures on the transparent electromagnetic interference shielding performance of graphene

机译：不同叠加结构对石墨烯透明电磁干扰屏蔽性能的影响

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摘要

The effect of different superimposed structures on the transparent electromagnetic interference (EMI) shielding performance of graphene is reported. The average optical transmittance of a graphene/quartz sample with different superimposed structures in the Vis-near-infrared spectrum (400-2400 nm) is almost the same (84%). The EMI shielding efficiency (EMI SE) of the two samples after superposition is 4.85-3.96 dB, which has been greatly improved compared to the single sample. The EMI SE of the backward superposition is 0.5-0.2 dB larger than the interval superposition. The EMI SE of the interval superposition is 0.8-0.2 dB larger than the forward superposition. The backward superposition of graphene can absorb 55% of the electromagnetic waves, reflect 10%, and only 35% of the electromagnetic waves pass. We envision that graphene can obtain high EMI SE through different superimposed structures in the theoretical research and applications.
机译：报道了不同叠加结构对石墨烯透明电磁干扰（EMI）屏蔽性能的影响。具有不同叠加结构的石墨烯/石英样品的平均光学透射率在VIS近红外光谱（400-2400nm）中几乎相同（84％）。叠加后两种样品的EMI屏蔽效率（EMI SE）为4.85-3.96dB，与单个样品相比大大提高。后向叠加的EMI SE比间隔叠加大0.5-0.2dB。间隔叠加的EMI SE比前向叠加大0.8-0.2dB。石墨烯的后退叠加可以吸收55％的电磁波，反射10％，只有35％的电磁波通过。我们设想石墨烯可以通过理论研究和应用中的不同叠加结构获得高EMI SE。

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  • 来源
    《Journal of Applied Physics》 |2020年第18期|185102.1-185102.8|共8页
  • 作者

    Kai Shi; Junhong Su; Haifeng Liang; Kai Hu;

  • 作者单位

    School of Optoelectronic Engineering Xi'an Technological University 2 Xuefu Road Xi'an 710021 China;

    School of Optoelectronic Engineering Xi'an Technological University 2 Xuefu Road Xi'an 710021 China;

    School of Optoelectronic Engineering Xi'an Technological University 2 Xuefu Road Xi'an 710021 China;

    Chinese Academy of Sciences Shanghai Institute of Technical Physics 500 Yutian Road Shanghai 200083 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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