Development and Characterization of Multi-Walled Carbon Nanotube-Based Dielectric Sheets for Electromagnetic Shielding and Absorption

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The aim is to develop and characterize dielectric sheets made from multi-walled carbon nanotubes for effective electromagnetic shielding and absorption.
Produced multi-walled carbon nanotube dielectric sheets for large-scale applications.
Evaluated shielding and absorption characteristics from 0.7 to 40 GHz.
Conducted radiation noise tests in accordance with CISPR32 using free-space methods.
Adjusted sheet thickness and MWCNT content to optimize performance.
Applied transmission line theory for equivalent model analysis.
Demonstrated effective shielding materials across broad frequency ranges.
Established absorption capabilities specifically for the 30 GHz band.
Identified that the shielding and absorption effects are predominantly influenced by effective conductivity.

Evaluates electromagnetic shielding and absorption in dielectric sheets using multi-walled carbon nanotubes, suggesting new design guidelines.

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He et al. (2026) studied this question.

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