Improved polarization loss and impedance matching induced by carbon paper-based magnetic heterostructured composites for lightweight and strong microwave absorption

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES Advanced Composites and Hybrid Materials Pub Date : 2024-10-30 DOI:10.1007/s42114-024-01043-w

Xiaofeng Gong, Lele Xiang, Xiaosi Qi, Xiu Gong, Yanli Chen, Qiong Peng, Yunpeng Qu, Fuzhong Wu, Kai Sun, Wei Zhong

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Abstract

Constructing different strategies for exploiting lightweight efficient microwave absorbers (MAs) has always been a great concern. In this work, zero-dimensional (0D)/two-dimensional (2D) carbon paper (CP)-based magnetic heterostructured composites (HSCs) including nickel/CP (Ni/CP) and iron/CP (Fe/CP) were selectively and efficiently produced through a facile soaking, drying and thermal treatment process. The obtained 0D/2D Ni/CP and Fe/CP magnetic HSCs showed the representative paper-like morphologies and ultra-lightweight characteristics. The Ni and Fe contents in the designed 0D/2D Ni/CP and Fe/CP HSCs were effectively modulated by controlling the concentrations of Ni and Fe sources. Owing to improved contribution of polarization loss and impedance matching properties, the acquired results demonstrated that the Ni/CP and Fe/CP magnetic HSCs presented excellent microwave absorption properties including thin matching thicknesses, broad absorption bandwidths and strong absorption capacities. Therefore, our findings presented a facile strategy for constructing 0D/2D CP-based magnetic HSCs as novel, and lightweight high-efficient MAs.

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利用碳纸基磁性异质结构复合材料改善极化损耗和阻抗匹配，实现轻质强微波吸收

为开发轻质高效微波吸收器（MAs）而构建不同的策略一直是人们非常关注的问题。在这项工作中，通过简单的浸泡、干燥和热处理过程，选择性地高效制备了基于零维（0D）/二维（2D）碳纸（CP）的磁性异质结构复合材料（HSCs），包括镍/CP（Ni/CP）和铁/CP（Fe/CP）。获得的 0D/2D 镍/铜镍合金和铁/铜镍合金磁性高分子材料具有代表性的纸状形态和超轻特性。通过控制镍源和铁源的浓度，可有效调节所设计的 0D/2D 镍/氯化钴和铁/氯化钴磁性高分子材料中的镍和铁含量。由于改善了极化损耗和阻抗匹配特性，所获得的结果表明，Ni/CP 和 Fe/CP 磁性 HSC 具有优异的微波吸收特性，包括匹配厚度薄、吸收带宽宽和吸收能力强。因此，我们的研究结果为构建基于 0D/2D CP 的磁性 HSCs 作为新型轻质高效 MAs 提供了一种简便的策略。

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.