期刊
NEW CARBON MATERIALS
卷 36, 期 6, 页码 1016-1033出版社
ELSEVIER
DOI: 10.1016/S1872-5805(21)60095-1
关键词
Microwave absorbing materials; Carbon materials; Composites; Reflection loss; Microwave absorption mechanism
资金
- National Natural Science Foundation of China [21908245, 21776308]
- Science Foundation of China University of Petroleum, Beijing [2462018YJRC009]
With the advancement of electronic information technology, the utilization of microwaves in military and civilian applications is increasing, leading to global concerns about electromagnetic radiation pollution. Carbon-based materials show great potential in electromagnetic wave absorption due to their lightweight, high attenuation ability, large specific surface area, and excellent physicochemical stability.
With the development of electronic information technology, the use of microwaves in military and civilian fields is becoming more and more widespread. The corresponding electromagnetic radiation pollution has become a global concern. Numerous efforts have been made to synthesize thin electromagnetic wave absorbing materials with a low density, wide absorption bandwidth and high absorption. Carbon-based materials have great potential in electromagnetic wave absorption because of their lightweight, high attenuation ability, large specific surface area and excellent physicochemical stability. The attenuation theory of absorption materials and the factors that influence their absorption performance are provided first. Next, we summarize the research status of carbon materials with different morphologies (such as 0D carbon spheres, 1D carbon nanotubes, 2D carbon platelets, and 3D porous carbons) and their composites with various materials such as magnetic substances, ceramics, metal sulfides, MXene and conductive polymers. The synthesis methods, properties and attenuation mechanisms of these absorbers are highlighted, and prospects and challenges are considered.
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