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MXene-Based Ceramic Nanocomposites Enabled by Pressure-Assisted Sintering
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DOI：10.1021/acsnano.2c05774.png)
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As MXenes become increasingly widespread, approaches to utilize this versatile class of 2D materials are sought. Recently, there has been growing interest in incorporating MXenes into metal or ceramic matrices to create advanced nanocomposites. This study presents a facile approach of mixing MXene with ceramic particles followed by pressure-assisted sintering to produce bulk MXene/ceramic nanocomposites. The effect of MXene addition on the densification behavior and properties of nanocomposites was explored through the Ti(3)C(2)Tz/alumina model system. We discovered that the presence of MXene altered the densification behavior and significantly enhanced the densification rate at low temperatures. In-depth microstructural characterization showed a homogeneous distribution of Ti(3)C(2)Tz MXene at the alumina grain boundaries. The Ti(3)C(2)Tz/alumina nanocomposites exhibited electrical conductivity but reduced hardness. We also demonstrated that using multilayered Ti(3)C(2)Tz as a precursor can produce composites with plate-like TiCx morphology. This work provides a conceptual approach for utilizing the diversity and versatility of MXenes in creating tunable advanced nanocomposites.
Keyword:
MXene
Ti3C2Tz
alumina
nanocomposite
spark plasma sintering
期刊
IF:
16
论文数:
2.7W
被引数:
25.6W
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引用论文
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