Flexible Composite Carbon Films Prepared by a Pancake‐Making Method for Electromagnetic Interference Shielding,Advanced Materials Interfaces

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Flexible Composite Carbon Films Prepared by a Pancake‐Making Method for Electromagnetic Interference Shielding
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2020-02-18 , DOI: 10.1002/admi.201901815
Minglong Yang _{1,

2} , Qiang Wei ₃ , Jianjun Li ₂ , Yao Wang ₃ , Hongfei Guo ₃ , Liya Gao ₃ , Li Huang _{1,

3} , Xiaodong He ₂ , Yibin Li _{1,

2} , Ye Yuan _{1,

2,

3}

Affiliation

Inspired by the traditional Chinese “pancake‐making” method, the efficient electromagnetic interferences (EMI) shielding composite carbon films are conveniently obtained by assembling graphene oxide (GO) sheets, carbon nanotubes (CNTs), and Co/C nanocomposites into a laminated “nacre‐like” structure. The developed composite carbon films are characterized by a shielding effectiveness (SE) up to ≈51 dB in X band with a small thickness of ≈34.3 µm. Moreover, the composite carbon film shows favorable flexibility and the SE values almost keep a constant after repeatedly bending test. These results demonstrate a promising approach to simply fabricate a flexible and highly efficient EMI shielding material.

更新日期：2020-02-18

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