Graphene/carbon nanotube/polypyrrole composite films for electromagnetic interference shielding

Huaiyu Chen; Sikun Hu; Huoping Zhao; Wenduo Chen; Dazhi Jiang

doi:10.1002/pc.27357

journal article Apr 18, 2023

Graphene/carbon nanotube/polypyrrole composite films for electromagnetic interference shielding

Huaiyu Chen Sikun Hu Huoping Zhao Wenduo Chen

Dazhi Jiang

Polymer Composites Vol. 44 No. 7 pp. 3798-3807 · Wiley

View at Publisher Save 10.1002/pc.27357

Abstract

AbstractPolypyrrole (PPy), an ideal organic electroactive material, shows limited application in the field of electromagnetic interference (EMI) shielding for its relatively low shielding effectiveness (SE), significant stiffness, difficult solubility, and poor processing performance. A strategy is proposed to construct three‐dimensional network structures of graphene/CNT/polypyrrole by electrochemical deposition to improve the EMI SE of polypyrrole composite films. In the graphene/CNT/polypyrrole films, the graphene/CNT substrates form the skeletons, and polypyrrole acts as bridges between graphene sheets and CNTs to form percolation networks in the multiphase and multihierarchical nanocomposites. When the deposition time increases to 80 min, the content of polypyrrole increases to 30 wt%, the conductivity improves by 27.7%, and the EMI SE improves by 11.4% at X‐band. The final film thickness is 249 μm, the conductivity is 3.06 S/mm, and the average EMI SE is 59.6 dB.

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Metrics

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Citations

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References

Details

Published: Apr 18, 2023
Vol/Issue: 44(7)
Pages: 3798-3807
License: View

Authors

H

Huaiyu Chen

Shenzhen Campus of Sun Yat‐sen University Shenzhen People's Republic of China; School of Materials Sun Yat‐sen University Guangzhou People's Republic of China

S

Sikun Hu

Shenzhen Campus of Sun Yat‐sen University Shenzhen People's Republic of China; School of Materials Sun Yat‐sen University Guangzhou People's Republic of China

H

Huoping Zhao

School of Materials Sun Yat‐sen University Guangzhou People's Republic of China; School of Advanced Manufacturing Sun Yat‐sen University Guangzhou People's Republic of China

W

Wenduo Chen

Shenzhen Campus of Sun Yat‐sen University Shenzhen People's Republic of China; School of Materials Sun Yat‐sen University Guangzhou People's Republic of China

D

Dazhi Jiang

Shenzhen Campus of Sun Yat‐sen University Shenzhen People's Republic of China; School of Materials Sun Yat‐sen University Guangzhou People's Republic of China

Funding

Guangzhou Municipal Science and Technology Project Award: 202102080442

Cite This Article

Huaiyu Chen, Sikun Hu, Huoping Zhao, et al. (2023). Graphene/carbon nanotube/polypyrrole composite films for electromagnetic interference shielding. Polymer Composites, 44(7), 3798-3807. https://doi.org/10.1002/pc.27357

Graphene/carbon nanotube/polypyrrole composite films for electromagnetic interference shielding

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