OPTICALLY TRANSPARENT MICROWAVE SHIELDING HYBRID FILM COMPOSITED BY METAL MESH AND GRAPHENE

Progress in Electromagnetics Research Symposium : [proceedings]. Progress in Electromagnetics Research Symposium Pub Date : 2021-01-01 DOI:10.2528/pier21052101

Xin-Ran Wang, Xiao-Bai Wang, Hang Ren, Nan-Shu Wu, Jingquan Wu, Wen-Ming Su, Ying Han, and Su Xu

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引用次数: 6

Abstract

Transparent conducting materials with the ability of broadband electromagnetic shielding have a widespread range of applications in aerospace, medical equipment, and electronic communications. Achieving enhanced electromagnetic shielding effect without sacrificing much optical transparency is the technical trend in both academia and industries. Here, we experimentally propose a flexible hybrid film constructed by nano-printing based metal meshes and a graphene coating for the transparent electromagnetic shielding application. Numerical analysis is carried out to investigate optimal balance between electromagnetic shielding and optical transparency. In the experiment, enhanced shielding ability of hybrid film is observed without excessively sacrificing optical transmittance, compared to the reference group (the case only with metal mesh). Our work provides a hybrid platform for the high-performance optically transparent shielding materials for electromagnetic environment safety protection.

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金属网与石墨烯复合的光透明微波屏蔽杂化膜

具有宽带电磁屏蔽能力的透明导电材料在航空航天、医疗设备、电子通信等领域有着广泛的应用。在不牺牲太多光学透明度的情况下实现增强的电磁屏蔽效果是学术界和工业界的技术趋势。在这里，我们通过实验提出了一种由纳米打印金属网和石墨烯涂层构成的柔性杂化膜，用于透明电磁屏蔽应用。通过数值分析，探讨了电磁屏蔽与光学透明性之间的最佳平衡。在实验中，混合膜的屏蔽能力增强，但没有过度牺牲光学透过率，与参考组(仅金属网的情况)相比。我们的工作为高性能光透明电磁环境安全屏蔽材料提供了一个混合平台。

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Progress in Electromagnetics Research Symposium : [proceedings]. Progress in Electromagnetics Research Symposium

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