Growth of CoFe2O4 hollow nanoparticles on graphene sheets for high-performance electromagnetic wave absorbers

Feng Yan; Shen Zhang; Xiao Zhang; Chunyan Li; Chunling Zhu; Xitian Zhang; Yujin Chen

doi:10.1039/C8TC04222E

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Growth of CoFe₂O₄ hollow nanoparticles on graphene sheets for high-performance electromagnetic wave absorbers†

Feng Yan,^a Shen Zhang,^a Xiao Zhang,^a Chunyan Li,^a Chunling Zhu,*^b Xitian Zhang

^c and Yujin Chen

*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of In-Fiber Integrated Optics, Ministry of Education and College of Science, Harbin Engineering University, Harbin 150001, China
E-mail: chenyujin@hrbeu.edu.cn

^b College of Chemistry and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
E-mail: zhuchunling@hrbeu.edu.cn

^c Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education and School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, China

Abstract

CoFe₂O₄ hollow nanoparticles with an average diameter and shell thickness of about 9.0 nm and 3.0 nm, respectively, were grown on graphene sheets. The hybrid exhibited excellent electromagnetic wave absorption properties with all of the minimal reflection losses below −10 dB at a thickness of 1.5–5.0 mm, superior to the hybrid based on CoFe₂O₄ solid nanoparticles and recently reported absorbers. Our results open a novel way for fabrication of hollow nanoparticles on graphene sheets for high-performance electromagnetic wave absorbers.

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Article information

DOI: https://doi.org/10.1039/C8TC04222E
Article type: Communication
Submitted: 23 Aug 2018
Accepted: 02 Nov 2018
First published: 06 Nov 2018

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J. Mater. Chem. C, 2018,6, 12781-12787

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Growth of CoFe₂O₄ hollow nanoparticles on graphene sheets for high-performance electromagnetic wave absorbers

F. Yan, S. Zhang, X. Zhang, C. Li, C. Zhu, X. Zhang and Y. Chen, J. Mater. Chem. C, 2018, 6, 12781 DOI: 10.1039/C8TC04222E

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Journal of Materials Chemistry C