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Core-shell MXene/nitrogen-doped C heterostructure for wide-band electromagnetic wave absorption at thin thickness.
- Source :
-
Ceramics International . Oct2022, Vol. 48 Issue 20, p30317-30324. 8p. - Publication Year :
- 2022
-
Abstract
- MXenes have been utilized to fabricate electromagnetic wave (EMW) absorbers owning to large aspect ratio, high electronic conductivity, and favorable hydrophilicity. In this work, the core-shell MXene/nitrogen-doped (N-doped) C heterostructure was firstly prepared via HCl and LiF etching, in-situ polymerization, and carbonization. When mixed with paraffin at a low filler loading of 30 wt%, the MXene/N-doped C hybrid reached a wide effective absorption bandwidth of 5.0 GHz (13.0 GHz–18.0 GHz) at a thin thickness of 1.72 mm. The stronger ability of attenuating EMWs promoted the absorption performance of MXene/N-doped C, overcoming the deficiency in the characteristics of impedance compared with its counterparts. This work provides a new insight in manufacturing MXene-based absorbers to alleviate EMW pollution by delicate structural design and effective multi-component strategy. [ABSTRACT FROM AUTHOR]
- Subjects :
- *ELECTROMAGNETIC wave absorption
*ELECTROMAGNETIC waves
*STRUCTURAL design
Subjects
Details
- Language :
- English
- ISSN :
- 02728842
- Volume :
- 48
- Issue :
- 20
- Database :
- Academic Search Index
- Journal :
- Ceramics International
- Publication Type :
- Academic Journal
- Accession number :
- 158674351
- Full Text :
- https://doi.org/10.1016/j.ceramint.2022.06.304