Multiple Tin Compounds Modified Carbon Fibers to Construct Heterogeneous Interfaces for Corrosion Prevention and Electromagnetic Wave Absorption

IF 26.6 1区材料科学 Q1 Engineering

Nano-Micro Letters Pub Date : 2024-09-27 DOI:10.1007/s40820-024-01527-w

Zhiqiang Guo, Di Lan, Zirui Jia, Zhenguo Gao, Xuetao Shi, Mukun He, Hua Guo, Guanglei Wu, Pengfei Yin

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Abstract

Currently, the demand for electromagnetic wave (EMW) absorbing materials with specific functions and capable of withstanding harsh environments is becoming increasingly urgent. Multi-component interface engineering is considered an effective means to achieve high-efficiency EMW absorption. However, interface modulation engineering has not been fully discussed and has great potential in the field of EMW absorption. In this study, multi-component tin compound fiber composites based on carbon fiber (CF) substrate were prepared by electrospinning, hydrothermal synthesis, and high-temperature thermal reduction. By utilizing the different properties of different substances, rich heterogeneous interfaces are constructed. This effectively promotes charge transfer and enhances interfacial polarization and conduction loss. The prepared SnS/SnS₂/SnO₂/CF composites with abundant heterogeneous interfaces have and exhibit excellent EMW absorption properties at a loading of 50 wt% in epoxy resin. The minimum reflection loss (RL) is − 46.74 dB and the maximum effective absorption bandwidth is 5.28 GHz. Moreover, SnS/SnS₂/SnO₂/CF epoxy composite coatings exhibited long-term corrosion resistance on Q235 steel surfaces. Therefore, this study provides an effective strategy for the design of high-efficiency EMW absorbing materials in complex and harsh environments.

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多种锡化合物改性碳纤维，构建用于防腐蚀和吸收电磁波的异质界面

目前，对具有特定功能并能承受恶劣环境的电磁波吸收材料的需求日益迫切。多组分界面工程被认为是实现高效电磁波吸收的有效手段。然而，界面调制工程尚未得到充分讨论，它在电磁波吸收领域具有巨大潜力。本研究通过电纺丝、水热合成和高温热还原等方法制备了基于碳纤维（CF）基材的多组分锡化合物纤维复合材料。利用不同物质的不同特性，构建了丰富的异质界面。这有效地促进了电荷转移，增强了界面极化和传导损耗。所制备的 SnS/SnS2/SnO2/CF 复合材料具有丰富的异质界面，在环氧树脂中的含量为 50 wt%时，具有并表现出优异的电磁波吸收特性。最小反射损耗（RL）为 - 46.74 dB，最大有效吸收带宽为 5.28 GHz。此外，SnS/SnS2/SnO2/CF 环氧复合涂层在 Q235 钢表面表现出了长期耐腐蚀性。因此，这项研究为在复杂恶劣的环境中设计高效电磁波吸收材料提供了有效的策略。

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来源期刊

Nano-Micro Letters NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

32.60

自引率

4.90%

发文量

981

审稿时长

1.1 months

期刊介绍： Nano-Micro Letters is a peer-reviewed, international, interdisciplinary, and open-access journal published under the SpringerOpen brand. Nano-Micro Letters focuses on the science, experiments, engineering, technologies, and applications of nano- or microscale structures and systems in various fields such as physics, chemistry, biology, material science, and pharmacy.It also explores the expanding interfaces between these fields. Nano-Micro Letters particularly emphasizes the bottom-up approach in the length scale from nano to micro. This approach is crucial for achieving industrial applications in nanotechnology, as it involves the assembly, modification, and control of nanostructures on a microscale.