期刊
CARBON
卷 208, 期 -, 页码 1-9出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2023.03.021
关键词
Carbon nanotubes; Chromium nitride; Electromagnetic wave absorption; Multicomponent composites
Compared with other absorption materials, multicomponent carbon nanotubes composite materials have become increasingly important in the preparation of high-performance electromagnetic wave absorption materials due to their unique dielectric-magnetic advantages. In this paper, an excellent performance of Co/Cu/CrN/CNTs composite materials was prepared by the heating and disintegration of organic amine salt to achieve the restoration of oxides while derivating carbon nanotubes. Due to annealing, slim-shaped CrN evenly attached to the surface of carbon nanotubes. The material forms a rich interface and good impedance matching characteristics, thereby realizing the excellent electromagnetic wave absorption performance of the material.
Compared with the other absorption materials, multicomponent of CNTs composite materials have become increasingly significant in the preparation of high-performance electromagnetic wave absorption materials due to their unique dielectric-magnetic advantages. In this paper, we use the heating and disintegration of organic amine salt to achieve the restoration of oxides while derivating carbon nanotubes, preparing an excellent per-formance of Co/Cu/CrN/CNTs composite materials. Due to annealing, slim-shaped CrN evenly attached to the surface of carbon nanotubes. The material forms a rich interface and good impedance matching characteristics, thereby realizing the excellent electromagnetic wave absorption performance of the material. The maximum bandwidth of 7.2 GHz was obtained at 2.62 mm and the minimum reflection loss was - 53.58 dB. The composite material design provides a new way for the development of high-performance electromagnetic wave absorption materials.
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