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层次化CF@Fe₃O₄纤维的合成装饰MoS₂层形成核心盖微结构向调节和高效的电磁波吸收

Xiaopeng Han¹, Huiwu Cai¹, Guangheng Wang¹

¹School of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, PR China.

ACS applied materials & interfaces

|January 17, 2024

概括

研究人员开发了一种新的层次核心 - 盖复合材料,用于吸收电磁波 (EMW). 这种材料实现了卓越的性能,反射损失为-63.1dB,有效吸收带宽为9.1GHz.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
电磁学电磁学电磁学电磁学

背景情况:

对电磁波 (EMW) 吸收器来说,层次结构是有效的.
设计具有量身定制的导电性,磁性和介电性质的材料对于EMW吸收至关重要.

研究的目的:

设计和制造一个层次的核心复合材料,以提高EMW吸收.
研究不同材料组件对EMW吸收性能的协同效应.

主要方法:

制造一个层次的碳纤维 (CF)@Fe3O4@MoS2 (CPDF7-M) 核心-盖层复合材料.
材料结构和电磁性质的表征.
评估EMW吸收性能,包括反射损失 (RL) 和有效吸收带宽 (EAB).

主要成果:

CPDF7-M复合材料表现出极好的电磁波吸收性能.
在2.7毫米厚度下,可以达到-63.1dB的最佳反射损失 (RL).
获得了9.1GHz的有效吸收带宽 (EAB),覆盖X和Ku频段.
通过调整MoS2负载和厚度来证明可调节的EAB.

结论:

层次化的核心 - 盖结构有效地提高了EMW吸收.
CF@Fe3O4和MoS2层之间的协同效应有助于优越的吸收性能.
开发的材料可以作为设计高效和灵活的EMW吸收器的宝贵参考.

关键词:

在Fe3O4的基础上,Fe3O4 在MoS2的基础上,MoS2 碳纤维碳纤维的使用电磁波的吸收电磁波的吸收

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