近年来电子设备数量飞速增长,由此导致的电磁辐射和干扰问题也愈发引起人们的重视。通过吸波材料吸收和损耗电磁波能量是一种有效降低电磁辐射的方式。聚吡咯纳米材料具有质轻、电导率可控、合成简便、界面极化强等优势,成为新一代吸波材料的理想基体。首先介绍了吸波材料吸收电磁波的电损耗和磁损耗机理,随后对单一聚吡咯和聚吡咯复合材料在电磁波吸收领域的研究进展进行了综述。最后,讨论了聚吡咯复合纳米吸波材料的发展困境和未来改进方向,希望为新一代吸波材料的设计提供参考。
With the rapid growth of the number of electronic equipment in recent years,the problems of electromagnetic radiation and interference have attracted more and more attention.Absorbing and losing electromagnetic wave energy through wave-absorbing materials is an effective way to solve this problem.Polypyrrole nanomaterials have become an ideal matrix for the new generation of wave-absorbing materials because of their advantages such as light weight,controllable electrical conductivity,simple synthesis and strong interfacial polarization.Firstly,the electric and magnetic loss mechanisms of wave-absorbing materials were introduced,and then the research progress of single polypyrrole and polypyrrole composites in the field of electromagnetic wave absorption was reviewed.Finally,the development predicament and future improvement direction of polypyrrole wave-absorbing nanomaterials were discussed in the hope of providing reference for the design of the new generation of wave-absorbing materials.
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基金资助
陕西省国际科技合作项目(2015KW-016);陕西省科学技术厅青年项目(2022JQ-485)
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