Recent progress of microwave absorption motivated by metal single atoms anchored on two-dimensional materials

IF 11.6 2区材料科学 Q1 CHEMISTRY, PHYSICAL Carbon Pub Date : 2025-03-10 Epub Date: 2025-02-06 DOI:10.1016/j.carbon.2025.120095

Zhaozuo Zhang , Yao Kong , Jinming Zhang , Jie Hou , Maosheng Cao , Xiaoxia Wang

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Abstract

Recently, metal single atoms anchored on two-dimensional materials (MSA/2DMs), with designable polarization centers, amplified polarization loss, and adjustable structural loss, have been explored for advanced microwave absorption (MA) materials to address increasing electromagnetic pollution and interference in both military and civilian fields. However, research on the relationship between electronic states at interfaces and corresponding electromagnetic properties is insufficient, leading to an inadequate analysis of electromagnetic wave attenuation mechanisms in MSA/2DMs. Herein, based on recent researches, this review presents the preparation difficulties on dispersion, introduces absorption characteristics and advanced techniques for polarization loss, and explores the origin of dielectric loss based on electronic states and asymmetric coordination configurations. Furthermore, the review outlines new challenges and perspectives for development of MSA/2DMs, covering structural design and MA performance optimization. Focusing on the interfacial interaction between MSA and 2D support, it provides insights into attenuation mechanisms from a microcosmic viewpoint, and aims to inspire new ideas in exploration of MSA/2DMs.

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金属单原子在二维材料上的微波吸收研究进展

近年来，金属单原子锚定在二维材料（MSA/ 2dm）上，具有可设计的极化中心、可放大的极化损耗和可调节的结构损耗，已被探索用于先进的微波吸收（MA）材料，以解决军事和民用领域日益增加的电磁污染和干扰。然而，对界面电子态与相应电磁特性之间关系的研究不足，导致对MSA/ 2dm中电磁波衰减机理的分析不足。在此基础上，本文综述了材料在色散方面的制备难点，介绍了材料的吸收特性和极化损耗的先进技术，并从电子态和不对称配位组态的角度探讨了介质损耗的来源。此外，本文还概述了MSA/ 2dm在结构设计和性能优化方面面临的新挑战和发展前景。该研究着眼于MSA与二维支撑之间的界面交互作用，从微观角度深入了解衰减机制，旨在为MSA/二维支撑的探索提供新的思路。

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来源期刊

Carbon 工程技术-材料科学：综合

CiteScore

20.80

自引率

7.30%

发文量

审稿时长

23 days

期刊介绍： The journal Carbon is an international multidisciplinary forum for communicating scientific advances in the field of carbon materials. It reports new findings related to the formation, structure, properties, behaviors, and technological applications of carbons. Carbons are a broad class of ordered or disordered solid phases composed primarily of elemental carbon, including but not limited to carbon black, carbon fibers and filaments, carbon nanotubes, diamond and diamond-like carbon, fullerenes, glassy carbon, graphite, graphene, graphene-oxide, porous carbons, pyrolytic carbon, and other sp2 and non-sp2 hybridized carbon systems. Carbon is the companion title to the open access journal Carbon Trends. Relevant application areas for carbon materials include biology and medicine, catalysis, electronic, optoelectronic, spintronic, high-frequency, and photonic devices, energy storage and conversion systems, environmental applications and water treatment, smart materials and systems, and structural and thermal applications.