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Ferrites nanoparticles anchored on accordion-like D-MXene nanosheets for enhanced electromagnetic wave absorption
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DOI：10.1016/j.mseb.2026.119414.png)
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Abstract
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MXenes, a class of two-dimensional (2D) transition metal carbides, show excellent electrical conductivity and abundant surface functional groups, making them highly promising for electromagnetic wave absorption (EMA) applications. In this work, accordion-like D-MXene nanosheets were fabricated through HF etching followed by TMAOH-assisted delamination. Subsequently, CoFe2O4 and NiFe2O4 nanoparticles were anchored on the surface of D-MXene homogeneously using toluene via an ultrasonication-assisted technique, and successful fabrication of D-MXene-CoFe2O4 and D-MXene-NiFe2O4 nanocomposites was achieved. FE-SEM images confirmed uniform ferrite anchoring on MXene. The broadened XRD (002) peak indicates reduced MXene stacking order, while the broadened (311) peak confirms decreased ferrite crystallite size due to interfacial interaction. Interestingly, paraffin wax composites containing 70 wt% of samples MC4 and MN4 showed minimum reflection losses (RLmin) of -59.33 dB and - 54.56 dB, respectively. The enhancement is mainly attributed to CoFe2O4 and NiFe2O4 nanoparticles, which inhibit D-MXene nanosheet restacking to promote conduction loss and introduce abundant heterogeneous interfaces that induce interfacial polarization. This study offers significant potential for advancing MXene-based materials in the development of high-performance EMA devices.
Keywords:
MAX phase (Ti 3 AlC 2 )
Accordion-like D-MXene
Ferrites nanoparticles
Electromagnetic wave absorption
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