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Graphene-Based Sandwich Structures for Frequency Selectable Electromagnetic Shielding.

Wei-Li Song^1,2, Congcheng Gong³, Huimin Li^1,2,4

¹Institute of Advanced Structure Technology, Beijing Institute of Technology , Beijing 100081, P.R. China.

ACS Applied Materials & Interfaces

|September 26, 2017

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This summary is machine-generated.

Novel sandwich structures offer tunable electromagnetic interference (EMI) shielding. These materials provide frequency-selective performance, enhancing overall shielding effectiveness for advanced electromagnetic attenuation applications.

Area of Science:

Materials Science
Electromagnetics
Physics

Background:

Growing electronics necessitate effective electromagnetic interference (EMI) shielding materials.
Current materials often lack frequency selectivity and tunable performance.

Purpose of the Study:

To develop novel sandwich structures for frequency-selective EMI shielding.
To achieve tunable EMI shielding performance through material design.

Main Methods:

Fabrication of sandwich structures utilizing electrical and magnetic loss spacers.
Analysis of electromagnetic wave transport and shielding mechanisms.
Characterization of shielding effectiveness and frequency selectivity.

Main Results:

Keywords:

frequency selectivity graphene multiple interfaces resonance sandwich structure

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Demonstrated unique frequency-selective EMI shielding capabilities.
Achieved tunable shielding performance with substantial improvements in overall effectiveness.
Observed pronounced shielding peak shifts attributed to material composition and structure.

Conclusions:

Multiple interfaces, electromagnetic loss media, and wavelength manipulation are key to tailored EMI shielding.
The proposed strategy offers a versatile approach for designing advanced electromagnetic attenuation materials.
Promising opportunities exist for fabricating novel sandwich structures for diverse frequency ranges.