Mxenes Derived Laminated and Magnetic Composites with Excellent Microwave Absorbing Performance

Two dimensional materials have been widely identified as promising microwave absorbers, owing to their large surface area and abundant interfaces. Here, a novel laminated and magnetic composite derived from Mxene was designed and successfully synthesized via facile hydrothermal oxidization of nickel...

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Bibliographic Details
Published in:Scientific reports 2019-03, Vol.9 (1), p.3957-3957, Article 3957
Main Authors: Feng, Wanlin, Luo, Heng, Wang, Yu, Zeng, Sifan, Tan, Yongqiang, Deng, Lianwen, Zhou, Xiaosong, Zhang, Haibin, Peng, Shuming
Format: Article
Language:English
Subjects:
140/133
140/146
639/301
639/638/298
Atoms & subatomic particles
Carbon
Graphene
Humanities and Social Sciences
Interfaces
Low temperature
Morphology
multidisciplinary
Nanoparticles
Nickel
Physics
Science
Science (multidisciplinary)
Titanium dioxide
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Summary:Two dimensional materials have been widely identified as promising microwave absorbers, owing to their large surface area and abundant interfaces. Here, a novel laminated and magnetic composite derived from Mxene was designed and successfully synthesized via facile hydrothermal oxidization of nickel ion intercalated Ti 3 C 2 . Highly disordered carbon sheets were obtained by low temperature hydrothermal oxidization, and the in-situ produced TiO 2 and NiO nanoparticles embedded closely between them. This layered hybrid exhibits excellent microwave absorbing performance with an effective absorbing bandwidth as high as 11.1 GHz (6.9–18 GHz) and 9 GHz (9–18 GHz) when the thickness is 3 and 2 mm, respectively. Besides the high dielectric loss, magnetic loss and ohmic loss of the composite, the amorphous nature of obtained carbon sheets and multi-reflections between them are believed to play a decisive role in achieving such superior microwave absorbing performance.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-019-40336-9