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首页> 外文期刊>RSC Advances >The synthesis and excellent electromagnetic radiation absorption properties of core/shell-structured Co/carbon nanotube–graphene nanocomposites
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The synthesis and excellent electromagnetic radiation absorption properties of core/shell-structured Co/carbon nanotube–graphene nanocomposites

机译：芯/壳结构CO /碳纳米管 - 石墨烯纳米复合材料的合成和优异的电磁辐射性能

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摘要

Through the reduction process involving Co _(3) O _(4) /reduced graphene oxide and acetylene, core/shell structured Co/carbon nanotube–graphene nanocomposites were synthesized on a large scale. Because of their special structure, high attenuation constant and good complementarity between magnetic loss material and dielectric loss material, the obtained Co/carbon nanotube–graphene nanocomposites exhibited very attractive microwave absorption. An optimal reflection loss (RL) of up to ?65.6 dB at 12.4 GHz was observed with a thickness of 2.19 mm, and RL values below ?20 dB were obtained in almost the entire frequency range. Therefore, a simple approach was proposed to explore the high-performance microwave-absorbing materials as well as expand the fields of application of graphene-based materials.
机译：通过涉及CO_（3）O _（4）/还原的石墨烯和乙炔，核/壳结构的CO /碳纳米管 - 石墨烯纳米复合材料在大规模上合成。由于它们的特殊结构，磁力损失材料和介电损耗材料之间的高衰减常数和良好的互补性，所获得的CO /碳纳米管 - 石墨烯纳米复合材料表现出非常有吸引力的微波吸收。在厚度为2.19mm的厚度观察到12.4GHz的最佳反射损失（RL）在12.4GHz下观察到，并且在整个频率范围内获得以下Δ20dB的RL值。因此，提出了一种简单的方法来探讨高性能微波吸收材料，以及扩展石墨烯基材料的应用领域。

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