Fabrication and characterization of the flexible three-layered thin film composites based on MXene/Fe3O4/MWCNT for electromagnetic shielding applications

Mariam Mansoori; Shaohong Luo; Daniel Choi

doi:10.1016/j.jcomc.2025.100562

Fabrication and characterization of the flexible three-layered thin film composites based on MXene/Fe₃O₄/MWCNT for electromagnetic shielding applications

Mariam Mansoori
, Shaohong Luo
, Daniel Choi

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Our research demonstrates the practical implementation of using multilayer (three layers) composites for electromagnetic interference (EMI) shielding. Three layers are: (1) The composites of multi-walled carbon nanotubes (MWCNT)/ carboxymethylcellulose (CMC) as the bottom layer; (2) The composites of MWCNT/CMC/iron oxide (Fe₃O₄) particles as the middle layer; (3) The composites of MXene/MWCNT/CMC/Fe₃O₄ as the top layer. Composition of each layer was optimized in order to maximize the electromagnetic properties of each layer. Each composite layer has outstanding electrical conductivity and excellent EMI shielding performance. The multilayer exhibits an EMI SE_T of 48 dB, SE_A of more than 33 dB, and low SE_R of 15 dB in the X-band frequencies range, significantly enhanced compared to the single-layered materials for EMI applications.

Original language	British English
Article number	100562
Journal	Composites Part C: Open Access
Volume	16
DOIs	https://doi.org/10.1016/j.jcomc.2025.100562
State	Published - Mar 2025

Keywords

Absorption shielding
Electromagnetic interference
Multilayer
Multiwalled-carbon nanotubes
MXene
Reflection shielding

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10.1016/j.jcomc.2025.100562

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title = "Fabrication and characterization of the flexible three-layered thin film composites based on MXene/Fe3O4/MWCNT for electromagnetic shielding applications",

abstract = "Our research demonstrates the practical implementation of using multilayer (three layers) composites for electromagnetic interference (EMI) shielding. Three layers are: (1) The composites of multi-walled carbon nanotubes (MWCNT)/ carboxymethylcellulose (CMC) as the bottom layer; (2) The composites of MWCNT/CMC/iron oxide (Fe3O4) particles as the middle layer; (3) The composites of MXene/MWCNT/CMC/Fe3O4 as the top layer. Composition of each layer was optimized in order to maximize the electromagnetic properties of each layer. Each composite layer has outstanding electrical conductivity and excellent EMI shielding performance. The multilayer exhibits an EMI SET of 48 dB, SEA of more than 33 dB, and low SER of 15 dB in the X-band frequencies range, significantly enhanced compared to the single-layered materials for EMI applications.",

keywords = "Absorption shielding, Electromagnetic interference, Multilayer, Multiwalled-carbon nanotubes, MXene, Reflection shielding",

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N2 - Our research demonstrates the practical implementation of using multilayer (three layers) composites for electromagnetic interference (EMI) shielding. Three layers are: (1) The composites of multi-walled carbon nanotubes (MWCNT)/ carboxymethylcellulose (CMC) as the bottom layer; (2) The composites of MWCNT/CMC/iron oxide (Fe3O4) particles as the middle layer; (3) The composites of MXene/MWCNT/CMC/Fe3O4 as the top layer. Composition of each layer was optimized in order to maximize the electromagnetic properties of each layer. Each composite layer has outstanding electrical conductivity and excellent EMI shielding performance. The multilayer exhibits an EMI SET of 48 dB, SEA of more than 33 dB, and low SER of 15 dB in the X-band frequencies range, significantly enhanced compared to the single-layered materials for EMI applications.

AB - Our research demonstrates the practical implementation of using multilayer (three layers) composites for electromagnetic interference (EMI) shielding. Three layers are: (1) The composites of multi-walled carbon nanotubes (MWCNT)/ carboxymethylcellulose (CMC) as the bottom layer; (2) The composites of MWCNT/CMC/iron oxide (Fe3O4) particles as the middle layer; (3) The composites of MXene/MWCNT/CMC/Fe3O4 as the top layer. Composition of each layer was optimized in order to maximize the electromagnetic properties of each layer. Each composite layer has outstanding electrical conductivity and excellent EMI shielding performance. The multilayer exhibits an EMI SET of 48 dB, SEA of more than 33 dB, and low SER of 15 dB in the X-band frequencies range, significantly enhanced compared to the single-layered materials for EMI applications.

KW - Absorption shielding

KW - Electromagnetic interference

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KW - Reflection shielding

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