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Valorizing waste-derived carbon precursors and steel pickling liquor-derived catalyst for the synthesis of multiwalled carbon nanotubes via CVD for EMI shielding
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DOI：10.1016/j.surfin.2026.110320.png)
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Abstract
En 中文
• Waste-derived carbon precursors, an agro-industrial waste and steel pickling waste, a hazardous waste, are exploited for EMI shielding and optical attenuation, facilitating waste-to-wealth transfer. • Synergistic use of waste oils and steel pickling liquor enables sustainable MWCNT synthesis. • The chemical nature of the precursor significantly modulates the crystallinity, defect density, and optical properties of the MWCNTs. • MWCNTs composites demonstrated high Ku-band EMI shielding effectiveness up to 21 dB. • SPO-derived MWCNTs showed absorption-dominant shielding (>85%) with <10% optical transmittance.
Keywords:
Electromagnetic-interference shielding
Multi-walled carbon nanotubes
Chemical vapour deposition
Steel pickling liquor waste
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6.3
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8.8K
Citations:
2.4W
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