期刊
MATERIALS TODAY PHYSICS
卷 20, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.mtphys.2021.100475
关键词
NiCo2S4; Porous carbon; Heterojunction surface; Dielectric and magnetic loss; Electromagnetic wave absorption
资金
- National Natural Science Foundation of China [51407134]
- Natural Science Foundation of Shandong Province [ZR2019YQ24]
- Shandong Taishan Scholars Young Expert Program [tsqn202103057]
- China Postdoctoral Science Foundation [2016M590619]
- Qingchuang Talents Induction Program of Shandong Higher Edu-cation Institution (Research and Innovation Team of Structural-Functional Polymer Composites)
- The Thousand Talents Plan
- World-Class Discipline Program of Shandong Province
- World-Class Univer-sity and Discipline
- Taishan Scholar's Advantageous and Distinctive Discipline Program of Shandong Province
In this study, a new NiCo2S4@C/porous carbon composite material was prepared, with significantly improved microwave dielectric responsiveness and ideal characteristics of microwave absorption and broadband. This multi-component EM absorber shows promise for high-performance EM absorption materials.
In order to solve the electromagnetic pollution, in this paper, Nickel-cobalt-based spinel materials NiCo2S4@C/Porous Carbon (PC) composite material, composed of metal sulfide spinel, porous carbon composite material, was prepared. Thanks to the designable interface and the added dipoles, the mi-crowave dielectric responsiveness can be significantly improved, leading to enhanced microwave ab-sorption performance. The results show that, with a matching thickness of 2.1 mm, the minimum reflection loss (RLmin) reaches-59.36 dB at 15.28 GHz. Meanwhile, the effective absorption band (EAB) covers 6.8 GHz, indicating ideal broadband characteristics. In our case, the manufacture of multi-component EM absorbers using a new method can become a promising candidate for high -performance EM absorbers. (c) 2021 Elsevier Ltd. All rights reserved.
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