Composition Optimization and Microstructure Design in MOFs-Derived Magnetic Carbon-Based Microwave Absorbers: A Review.

Composition Optimization and Microstructure Design in MOFs-Derived Magnetic Carbon-Based Microwave Absorbers: A Review.
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MOF 衍生的磁性碳基微波吸波材料的成分优化和微观结构设计:综述

DOI:
10.1007/s40820-021-00734-z
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发表时间:
2021-10-11
期刊:
影响因子:
26.6
通讯作者:
Du Y
Du Y
中科院分区:
材料科学1区
文献类型:
--
作者:
Zhao H;Wang F;Cui L;Xu X;Han X;Du Y

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磁性碳基复合材料是电磁(EM)吸收的最有吸引力的候选者,因为它们可以通过与电分支和磁分支相互作用来终止多余的EM波在空间中的传播。金属有机骨架(MOFs)为磁性纳米颗粒在碳基体中的高度分散提供了良好的平台,因此MOFs作为磁性金属/碳复合材料的牺牲前驱体具有巨大的潜力。然而,这些复合材料的化学组成和微观结构总是高度依赖于它们的前体,并且不能保证有利于EM吸收的最佳EM状态,这或多或少地降低了MOFs衍生策略的优越性。因此,开发一些配套的方法来有效地调节MOFs衍生的磁性碳基复合材料的电磁性能是非常重要的。本文综述了近年来MOFs制备的磁性碳基复合材料在电磁波吸收增强方面的研究进展,并提出了一些可行的方法。最后,提出了我国在相关领域的绩效突破和机制探索方面有待解决的问题,并展望了未来的挑战和前景。
Magnetic carbon-based composites are the most attractive candidates for electromagnetic (EM) absorption because they can terminate the propagation of surplus EM waves in space by interacting with both electric and magnetic branches. Metal-organic frameworks (MOFs) have demonstrated their great potential as sacrificing precursors of magnetic metals/carbon composites, because they provide a good platform to achieve high dispersion of magnetic nanoparticles in carbon matrix. Nevertheless, the chemical composition and microstructure of these composites are always highly dependent on their precursors and cannot promise an optimal EM state favorable for EM absorption, which more or less discount the superiority of MOFs-derived strategy. It is hence of great importance to develop some accompanied methods that can regulate EM properties of MOFs-derived magnetic carbon-based composites effectively. This review comprehensively introduces recent advancements on EM absorption enhancement in MOFs-derived magnetic carbon-based composites and some available strategies therein. In addition, some challenges and prospects are also proposed to indicate the pending issues on performance breakthrough and mechanism exploration in the related field.
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