Recent advances in chemical crosslinking of ceramic-coated carbon nanotubes for enhanced electromagnetic interference shielding

IF 4.2 Q2 CHEMISTRY, MULTIDISCIPLINARY

Results in Chemistry Pub Date : 2025-09-01 DOI:10.1016/j.rechem.2025.102654

Sarah Abdulrazzag Hosawi , Zahra M. Al-amshany , Katabathini Narasimharao , Khalid A. Alamry , Mahmoud A. Hussein

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Abstract

Electromagnetic interference (EMI) shielding is critical for the safety and stability of aircraft and defense system operations. Ineffective EMI shielding can lead to malfunctions and catastrophic failures. This review focuses on advances in chemical crosslinking strategies for carbon nanotube (CNT)–ceramic composites, which enhance mechanical strength and EMI shielding efficiency. By optimizing interfacial interactions through various techniques, a uniform ceramic coating on CNTs is achieved, overcoming challenges related to CNTs' inertness and tendency to agglomerate. Appropriate crosslinking significantly improves CNT composite strength and durability by forming strong intermolecular bonds, ensuring stable structural integrity under extreme conditions. Additionally, integrating CNTs with magnetic particles and MXenes yields multilayered coatings with superior EMI shielding, minimal electromagnetic wave reflection, lighter weight, and enhanced reliability. The lightweight, thermally stable, and chemically resistant nature of these composites makes them ideal for aerospace and defense applications, demonstrating the importance of chemical crosslinking in developing advanced EMI shielding solutions.

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陶瓷涂层碳纳米管化学交联增强电磁干扰屏蔽的研究进展

电磁干扰（EMI）屏蔽对于飞机和国防系统运行的安全性和稳定性至关重要。无效的电磁干扰屏蔽可能导致故障和灾难性故障。本文综述了碳纳米管-陶瓷复合材料化学交联策略的研究进展，以提高其机械强度和电磁干扰屏蔽效率。通过各种技术优化界面相互作用，实现了碳纳米管表面均匀的陶瓷涂层，克服了碳纳米管惰性和易团聚的挑战。适当的交联通过形成强大的分子间键，显著提高碳纳米管复合材料的强度和耐久性，确保极端条件下稳定的结构完整性。此外，将碳纳米管与磁性颗粒和MXenes相结合，可产生多层涂层，具有卓越的电磁干扰屏蔽、最小的电磁波反射、更轻的重量和更高的可靠性。这些复合材料的轻质、热稳定性和耐化学性使其成为航空航天和国防应用的理想选择，证明了化学交联在开发先进的EMI屏蔽解决方案中的重要性。

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