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Issue 39, 2020
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Raspberry-like LiFe5O8 nanoparticles embedded on MoS2 microflowers with excellent microwave absorption performance

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Abstract

Herein, novel nanostructure composites of LiFe5O8/MoS2 have been successfully prepared by a two-step hydrothermal method with excellent microwave absorption performance, in which raspberry-like LiFe5O8 nanoparticles embedded three-dimensional MoS2 microflowers. The morphology, structure and electromagnetic properties of the nanocomposites have been tested. The results show that the prepared composites with a mass ratio of 1 : 6 between LiFe5O8 and MoS2 have extremely low absorption loss and a wide absorption bandwidth at a thin matching thickness. The minimum reflection loss value reached −63.61 dB and the effective absorption bandwidth was 5.2 GHz with a sample thickness of only 2.179 mm. The combination of LiFe5O8 and MoS2 effectively improves the impedance matching of the composites, further improving their microwave absorption properties. In addition, the LM composites can accurately achieve effective absorption in the X and Ku bands and can become one of the choicest materials for designing lightweight and efficient microwave absorbers.

Graphical abstract: Raspberry-like LiFe5O8 nanoparticles embedded on MoS2 microflowers with excellent microwave absorption performance

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Article information


Submitted
31 Jul 2020
Accepted
15 Sep 2020
First published
16 Sep 2020

J. Mater. Chem. A, 2020,8, 20337-20345
Article type
Communication

Raspberry-like LiFe5O8 nanoparticles embedded on MoS2 microflowers with excellent microwave absorption performance

J. Li, D. Zhou, P. Wang, W. Liu and J. Su, J. Mater. Chem. A, 2020, 8, 20337
DOI: 10.1039/D0TA07483G

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