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Multi-shell hollow porous carbon nanoparticles with excellent microwave absorption properties

Tao, Jiaqi, Zhou, Jintang, Yao, Zhengjun, Jiao, Zibao, Wei, Bo, Tan, Ruiyang, Li, Zhong·2021·Carbon

Abstract

Abstract The micro-morphology design of nanomaterials has always been a hot issue in the field of microwave absorption. In this work, multi-shell structure is made on the basis of hollow structure and porous structure, and the effect of shell number of nanoparticles on microwave absorption properties is studied. Multi-shell hollow porous carbon nanoparticles (HPCNs-m) were prepared by simple liquid phase method combined with layer-by-layer process, and their micro-morphology, chemical structure, electromagnetic properties and microwave absorption properties were studied by a variety of characterization methods. The results show that the multi-shell structure is beneficial to improve the conductivity loss and polarization loss, so as to enhance the microwave absorption properties of the samples. In all samples, the effective absorption bandwidth (EAB) of three-shell hollow porous carbon nanoparticles (HPCNs-3) is 5.17 GHz under the thickness of 1.6 mm, and the best reflection loss (RL) is −18.13 dB at 14.66 GHz. This work expands the study of the effect of the number of shells on microwave absorption properties, and provides a useful reference for the design of microwave absorbers.

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Metadata

Authors
Tao, J., Zhou, J., Yao, Z., Jiao, Z., Wei, B., Tan, R., & Li, Z.
Venue
Carbon
Publisher
Elsevier BV
Published
2021-02
Volume
172
Pages
542-555
ISSN
0008-6223 (ISSN-L)
OpenAlex
W3093873032
Cited by
542
References
36
FWCI
52.19
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Multi-shell hollow porous carbon nanoparticles with excellent microwave absorption properties. https://app.cochat.ai/papers/10.1016/j.carbon.2020.10.062
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Tao, J., Zhou, J., Yao, Z., Jiao, Z., Wei, B., Tan, R., & Li, Z. (2021). Multi-shell hollow porous carbon nanoparticles with excellent microwave absorption properties. Carbon. https://doi.org/10.1016/j.carbon.2020.10.062

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