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Core@shell structured flower-like CoFeO@MoS nanocomposites: a strong absorption and broadband electromagnetic wave absorber

In order to obtain the excellent comprehensive properties of microwave absorbers (MAs), core@shell structured Co 0.6 Fe 2.4 O 4 @MoS 2 nanocomposites were elaborately constructed and synthesized by a facile two-step hydrothermal method. Due to the independence of the two-step processes, the method c...

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Published in:Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2019-07, Vol.7 (29), p.8975-8981
Main Authors: Long, Lin, Yang, Erqi, Qi, Xiaosi, Xie, Ren, Bai, Zhongchen, Qin, Shuijie, Zhong, Wei
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container_issue 29
container_start_page 8975
container_title Journal of materials chemistry. C, Materials for optical and electronic devices
container_volume 7
creator Long, Lin
Yang, Erqi
Qi, Xiaosi
Xie, Ren
Bai, Zhongchen
Qin, Shuijie
Zhong, Wei
description In order to obtain the excellent comprehensive properties of microwave absorbers (MAs), core@shell structured Co 0.6 Fe 2.4 O 4 @MoS 2 nanocomposites were elaborately constructed and synthesized by a facile two-step hydrothermal method. Due to the independence of the two-step processes, the method could be applied to produce different categories of MoS 2 based nanocomposites. The obtained results demonstrated that the as-prepared Co 0.6 Fe 2.4 O 4 @MoS 2 nanocomposites exhibited superior electromagnetic wave absorption performances with very low minimum reflection loss (RL min ) value and broad absorption bandwidth at thin matching thicknesses. Impressively, the optimal RL min value reached 79.9 dB at 11.2 GHz with a thickness of 2.73 mm, and an effective bandwidth of 5.96 GHz was observed with thicknesses of 2.34 and 2.98 mm. Taking into account their the low cost of production, high stability and controllability, the obtained results demonstrated that the Co 0.6 Fe 2.4 O 4 @MoS 2 nanocomposites achieved in this study are very attractive candidates for new types of high performance MAs. Moreover, we believe that constructing core@shell structured MoS 2 -based nanocomposites is a reliable strategy to accelerate advancements of MAs. Core@shell structured flower-like Co 0.6 Fe 2.4 O 4 @MoS 2 nanocomposites and the main possible pathways of microwave absorption, strong absorption ability and broad absorption bandwidth.
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Moreover, we believe that constructing core@shell structured MoS 2 -based nanocomposites is a reliable strategy to accelerate advancements of MAs. Core@shell structured flower-like Co 0.6 Fe 2.4 O 4 @MoS 2 nanocomposites and the main possible pathways of microwave absorption, strong absorption ability and broad absorption bandwidth.</description><identifier>ISSN: 2050-7526</identifier><identifier>EISSN: 2050-7534</identifier><identifier>DOI: 10.1039/c9tc02140j</identifier><ispartof>Journal of materials chemistry. 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title Core@shell structured flower-like CoFeO@MoS nanocomposites: a strong absorption and broadband electromagnetic wave absorber
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