Issue 23, 2015
From the journal:

Journal of Materials Chemistry A

Flexible nanocomposites with enhanced microwave absorption properties based on Fe3O4/SiO2 nanorods and polyvinylidene fluoride†

Xiaofang Liu,a   Yaxin Chen,a   Xinrui Cui,a   Min Zeng,a   Ronghai Yua  and  Guang-Sheng Wang*b  

* Corresponding authors

a School of Materials Science and Engineering, Beihang University, Beijing 100191, China

b School of Chemistry and Environment, Beihang University, Beijing 100191, China
E-mail: wanggsh@buaa.edu.cn
Fax: +86-10-82316066
Tel: +86-10-82316066

Abstract

Fe3O4/SiO2 porous nanorods with one-dimensional core/shell structure and high aspect ratio have been synthesized as an absorber by a wet chemical method. Based on the nanorods, flexible Fe3O4/SiO2/PVDF nanocomposites have been first prepared by embedding the Fe3O4/SiO2 nanorods in a polyvinylidene fluoride (PVDF) matrix. The Fe3O4/SiO2/PVDF nanocomposite with a filler content of 40 wt% shows excellent microwave absorption performance over 2–18 GHz, and the minimum reflection loss (RL) can reach −28.6 dB when the thickness is 2.5 mm. The mechanisms for the enhanced microwave absorption performance were clarified based on the unique structural features as well as the synergetic effect between multiple components.

Graphical abstract: Flexible nanocomposites with enhanced microwave absorption properties based on Fe3O4/SiO2 nanorods and polyvinylidene fluoride

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Article information

DOI
https://doi.org/10.1039/C5TA01924A
Article type
Paper
Submitted
16 Mar 2015
Accepted
28 Apr 2015
First published
30 Apr 2015

J. Mater. Chem. A, 2015,3, 12197-12204

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Flexible nanocomposites with enhanced microwave absorption properties based on Fe3O4/SiO2 nanorods and polyvinylidene fluoride

X. Liu, Y. Chen, X. Cui, M. Zeng, R. Yu and G. Wang, J. Mater. Chem. A, 2015, 3, 12197 DOI: 10.1039/C5TA01924A

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