Dielectric modulation engineering in hierarchically ordered porous Ti3C2Tx MXene/rhenium disulfide aerogel toward potential electromagnetic wave absorption and infrared stealth

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Composites and Hybrid Materials Pub Date : 2024-06-13 DOI:10.1007/s42114-024-00917-3

Jia-Lin Gao, Li Chang, Ben Niu, Xin-Ci Zhang, Lin Li, Mao-Sheng Cao

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Abstract

Adjusting the impedance of materials by modulating their electromagnetic parameters is an effective strategy for obtaining excellent electromagnetic wave (EMW) absorption performance, but there are still challenges in developing high-performance electromagnetic wave (EMW)-absorbing materials. Herein, a dielectric modulation engineering strategy is proposed, and a lightweight 3D hierarchically ordered porous structure based on an MXene and ReS₂ (3D OPMRs) was fabricated through directional freeze-drying technology. The 3D nanoflower-like structure of ReS₂, which acts as a dielectric regulator factor, effectively controls the dielectric loss characteristics of the composites. The optimized 3D OPMR with a hierarchically ordered porous structure and a light weight (density as low as 0.04 g cm⁻³) exhibited excellent EMW absorption properties with minimal reflection loss and an effective absorption bandwidth of − 66.20 dB and 4.20 GHz, respectively. The excellent EMW absorption performances originate from the dipole and interfacial polarizations, adjustable conduction loss, and multiple internal reflections. Moreover, computer simulation results validate the attenuation effect of 3D OPMR on electromagnetic energy under real application conditions. Interestingly, the unique hierarchical pore structure endows 3D OPMR with excellent thermal resistance, which expands the application of EMW-absorbing materials in infrared stealth and harsh environments.

Graphical Abstract

Abstract Image

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分层有序多孔 Ti3C2Tx MXene/ 二硫化钼铼气凝胶中的介电调制工程，实现潜在的电磁波吸收和红外隐身功能

通过调制材料的电磁参数来调整材料的阻抗是获得优异电磁波吸收性能的有效策略，但高性能电磁波吸收材料的开发仍面临挑战。本文提出了一种介电调制工程策略，并通过定向冷冻干燥技术制备了一种基于 MXene 和 ReS2 的轻质三维分层有序多孔结构（三维 OPMRs）。ReS2 的三维纳米花状结构可作为介电调节因子，有效控制复合材料的介电损耗特性。优化后的三维 OPMR 具有分层有序的多孔结构，重量轻（密度低至 0.04 g cm-3），具有极佳的电磁波吸收特性，反射损耗极小，有效吸收带宽分别为 - 66.20 dB 和 4.20 GHz。优异的电磁波吸收性能源于偶极和界面极化、可调节的传导损耗和多重内部反射。此外，计算机模拟结果验证了三维 OPMR 在实际应用条件下对电磁能量的衰减效果。有趣的是，独特的分层孔隙结构赋予了三维 OPMR 优异的耐热性，从而拓展了电磁波吸收材料在红外隐身和恶劣环境中的应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.