碳纳米管/铁氧体/聚苯胺复合物的制备和吸波特性研究

IF 2.8 4区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Materials Science: Materials in Electronics Pub Date : 2024-11-13 DOI:10.1007/s10854-024-13864-y
Runqing Liu, Lihai Yang, Luyao Wang, Yuanquan Yang
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引用次数: 0

摘要

传统的吸波材料能有效吸收特定频段的电磁波,但无法应对宽频范围的干扰和辐射。因此,具有宽带吸波特性的材料对电磁干扰和辐射、设备保护和人类健康具有重要意义。本实验采用溶液共混法和原位聚合法分别制备了碳纳米管/镍锌铁氧体/聚苯胺复合物和碳纳米管/钡锌铁氧体/聚苯胺聚合物。结果表明,采用溶液反应法制备的碳纳米管/钡锌铁氧体/聚苯胺复合物具有良好的阻抗匹配吸收效果,在 3.68 GHz 处的峰值为 - 34.3 dB;采用原位聚合法制备的碳纳米管/钡锌铁氧体/聚苯胺复合物在 12.44 GHz 处的最大反射损耗为 - 28.95 dB。用溶液反应法和原位聚合法制备了碳纳米管/钡锌铁氧体/聚苯胺复合物,原位聚合法制备的样品具有更好的吸收特性,有效吸收带宽高达 8.9 GHz(6.5-14.6 GHz 和 16.1-16.8 GHz),反射损耗在 12.84 GHz 时达到最大值 - 37.95 dB。
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An investigation on preparation and wave-absorbing properties of carbon nanotube/ferrite/polyaniline complexes

Conventional wave-absorbing materials effectively absorb electromagnetic waves in specific frequency bands and however cannot cope with interference and radiation in a wide frequency range. Therefore, materials with broadband wave-absorbing properties are of great significance for electromagnetic interference and radiation, protection of equipment, and human health. In this experiment, carbon nanotubes/nickel–zinc ferrite/polyaniline complex and carbon nanotubes/barium–zinc ferrite/polyaniline polymers were prepared by solution blending and in situ polymerization, respectively. The results show that the carbon nanotube/NiZn ferrite/polyaniline complexes has a good impedance matching absorption effect with a peak of − 34.3 dB at 3.68 GHz prepared by solution reaction method and with a maximum reflection loss of − 28.95 dB at 12.44 GHz by in situ polymerization method. Carbon nanotube/barium–zinc ferrite/polyaniline complexes were prepared by solution reaction and in situ polymerization methods, and the samples prepared by in situ polymerization had better absorption properties, with an effective absorption bandwidth up to 8.9 GHz (6.5–14.6 GHz and 16.1–16.8 GHz) and a reflection loss reaching a maximum of − 37.95 dB at 12.84 GHz.

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来源期刊
Journal of Materials Science: Materials in Electronics
Journal of Materials Science: Materials in Electronics 工程技术-材料科学:综合
CiteScore
5.00
自引率
7.10%
发文量
1931
审稿时长
2 months
期刊介绍: The Journal of Materials Science: Materials in Electronics is an established refereed companion to the Journal of Materials Science. It publishes papers on materials and their applications in modern electronics, covering the ground between fundamental science, such as semiconductor physics, and work concerned specifically with applications. It explores the growth and preparation of new materials, as well as their processing, fabrication, bonding and encapsulation, together with the reliability, failure analysis, quality assurance and characterization related to the whole range of applications in electronics. The Journal presents papers in newly developing fields such as low dimensional structures and devices, optoelectronics including III-V compounds, glasses and linear/non-linear crystal materials and lasers, high Tc superconductors, conducting polymers, thick film materials and new contact technologies, as well as the established electronics device and circuit materials.
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