Flexible self-adhesive high-performance electromagnetic shielding film

IF 6.5 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Composites Communications Pub Date : 2024-11-19 DOI:10.1016/j.coco.2024.102170

Kaichao Pan , Yunan Shi , Jiang Du , Jun Qiu

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Abstract

Electromagnetic shielding materials are those that can mitigate electromagnetic interference (EMI) by absorbing, reflecting, or scattering electromagnetic waves. With the advancement of research, electromagnetic shielding materials are not only expected to have high EMI shielding effectiveness but also to integrate other functional properties. In this study, a flexible self-adhesive electromagnetic shielding film with high shielding effectiveness (SE_T), named rGO@DTPP, has been developed. Leveraging multiple loss mechanisms, the SET of rGO@DTPP can peak at up to 55 dB. Additionally, it possesses excellent self-adhesive properties, enabling it to adhere to a variety of material surfaces. Notably, it exhibits a high adhesive strength of 0.21 N/cm on the skin surface. The composite film also has breaking elongation of up to 40 %, and it features a highly conductive thin film when in contact with the skin, thus adhering well to the skin's surface. This makes it an outstanding material for flexible, wearable applications.

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柔性自粘高性能电磁屏蔽膜

电磁屏蔽材料是通过吸收、反射或散射电磁波来减缓电磁干扰（EMI）的材料。随着研究的深入，电磁屏蔽材料不仅要具有高电磁干扰屏蔽效果，还要集成其他功能特性。本研究开发了一种具有高屏蔽效能（SET）的柔性自粘电磁屏蔽膜，命名为 rGO@DTPP。利用多种损耗机制，rGO@DTPP 的 SET 峰值可达 55 dB。此外，它还具有出色的自粘性能，能够粘附在各种材料表面。值得注意的是，它在皮肤表面的粘附强度高达 0.21 N/cm。复合薄膜的断裂伸长率也高达 40%，与皮肤接触时薄膜具有高导电性，因此能很好地粘附在皮肤表面。这使其成为柔性可穿戴应用的出色材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Composites Communications Materials Science-Ceramics and Composites

CiteScore

12.10

自引率

10.00%

发文量

340

审稿时长

36 days

期刊介绍： Composites Communications (Compos. Commun.) is a peer-reviewed journal publishing short communications and letters on the latest advances in composites science and technology. With a rapid review and publication process, its goal is to disseminate new knowledge promptly within the composites community. The journal welcomes manuscripts presenting creative concepts and new findings in design, state-of-the-art approaches in processing, synthesis, characterization, and mechanics modeling. In addition to traditional fiber-/particulate-reinforced engineering composites, it encourages submissions on composites with exceptional physical, mechanical, and fracture properties, as well as those with unique functions and significant application potential. This includes biomimetic and bio-inspired composites for biomedical applications, functional nano-composites for thermal management and energy applications, and composites designed for extreme service environments.