期刊
CARBON
卷 189, 期 -, 页码 617-633出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2021.12.100
关键词
Electromagnetic wave absorption; Carbon spheres; Nanostructure design; Composition regulation; Dielectric-magnetic components
资金
- National Nature Science Foundation of China [51971111]
This review discusses the characteristics and principles of microwave absorbing materials, with a focus on the research progress in nanostructure design and composition regulation of carbon spheres. The clever nanostructure design and synergistic effect among different components enable carbon spheres and their composites to exhibit superior microwave absorption performance.
Microwave absorbing material is a kind of material that can absorb microwave and electromagnetic (EM) energy and has less reflection and scattering. Qualified microwave absorbers can effectively prevent EM pollution and protect human health. This review briefly introduces the principles of microwave absorption (MA), more importantly, the research progress in the nanostructure design and composition regulation of carbon spheres (CSs) are reviewed. The nanostructure design is dominated by hollow and porous nature, and the composition regulation is based on conductive/dielectric, magnetic, as well as conductive/dielectric-magnetic components. Due to the synergistic effect among varieties of components and the clever nanostructure design, the CSs and their composites can achieve preferable MA performance than traditional carbon materials. At the same time, the challenges and prospects of the research on CSs are put forward, which provide new ideas for further study of microwave absorption based on CSs. (c) 2022 Elsevier Ltd. All rights reserved.
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