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<p>The current study explores the potential of natural jute fiber materials for electromagnetic interference (EMI) shielding applications. This study looks at how well a jute fiber that has been modified by functionalizing multiwall carbon nanotubes (MWCNT) and poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) blocks electromagnetic waves. Six samples were prepared by varying the wt% of MWCNT/PEDOT:PSS and their influence was studied systematically through morphology, functional groups, crystal structure, electrical conductivity, and EMI shielding performance in the X-band (8–12&#xa0;GHz). The morphology study revealed the existence of NiP, MWCNT, and PEDOT:PSS on the jute fiber surfaces. The electrical conductivity results demonstrated that the chemically treated fiber with 2&#xa0;wt% MWCNT and 5&#xa0;wt% PEDOT:PSS deposited (sample S6) had 24.16% higher electrical conductivity compared to the untreated fiber sample with 2&#xa0;wt% MWCNT and 5&#xa0;wt% PEDOT:PSS deposited (sample S3) due to generating a continuous conductive layer across the fiber surfaces. The results from the vector network analyzer showed that sample S6 had the best shielding effectiveness of 61.84&#xa0;dB due to the deposition of NiP/MWCNT/PEDOT:PSS. The present findings have demonstrated the feasibility of using environmentally friendly and cost-effective functionalized fiber material for EMI shielding applications.</p> Graphical abstract <p></p>

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Experimental Investigation of Electromagnetic Interference Performance of a Functionalized Jute Fiber with MWCNT/PEDOT:PSS

  • 期刊论文

  • 发表日期：

    2025年8月20日

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  • Arulmurugan Perumal,
  • Prabu Krishnasamy

摘要

The current study explores the potential of natural jute fiber materials for electromagnetic interference (EMI) shielding applications. This study looks at how well a jute fiber that has been modified by functionalizing multiwall carbon nanotubes (MWCNT) and poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) blocks electromagnetic waves. Six samples were prepared by varying the wt% of MWCNT/PEDOT:PSS and their influence was studied systematically through morphology, functional groups, crystal structure, electrical conductivity, and EMI shielding performance in the X-band (8–12 GHz). The morphology study revealed the existence of NiP, MWCNT, and PEDOT:PSS on the jute fiber surfaces. The electrical conductivity results demonstrated that the chemically treated fiber with 2 wt% MWCNT and 5 wt% PEDOT:PSS deposited (sample S6) had 24.16% higher electrical conductivity compared to the untreated fiber sample with 2 wt% MWCNT and 5 wt% PEDOT:PSS deposited (sample S3) due to generating a continuous conductive layer across the fiber surfaces. The results from the vector network analyzer showed that sample S6 had the best shielding effectiveness of 61.84 dB due to the deposition of NiP/MWCNT/PEDOT:PSS. The present findings have demonstrated the feasibility of using environmentally friendly and cost-effective functionalized fiber material for EMI shielding applications.

Graphical abstract