用于电磁干扰屏蔽、传感和致动的 Ag@MXene 纤维素纳米纤维复合材料

IF 4.1 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Sensors and Actuators A-physical Pub Date : 2024-11-09 DOI:10.1016/j.sna.2024.116045

Kaihuai Yang , Sitong Zeng , Peidi Zhou , Min Ding , Junjie Lin , Heng Hu , Qiaohang Guo , Mingcen Weng

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引用次数: 0

摘要

随着柔性电子设备的发展，柔性多功能材料的开发变得越来越重要。本研究制备了具有三维（3D）导电网络结构的 Ag@MXene - 纤维素纳米纤维（AMC）多功能复合材料，可用于电磁干扰（EMI）屏蔽、压力传感和执行。AMC 具有良好的导电性（18.04 S cm-1）和电磁干扰屏蔽效果（37.7 dB）。AMC 表面的微观结构使其具有应用于压力传感器的潜力。AMC 对湿度敏感，具有出色的电/光热转换特性。因此，AMC 可用于制造湿度驱动致动器和电/光驱动致动器。最后，我们还精心设计了三种多功能器件/系统，实现了仅依靠一种原材料就能制造出多功能器件/系统，大大简化了多功能器件的制备过程。我们希望这项研究能为人工肌肉、软机器人和电磁干扰屏蔽装置开辟新的途径。

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Ag@MXene-cellulose nanofiber composite for electromagnetic interference shielding, sensing, and actuating

With the development of flexible electronic devices, the development of flexible and multi-functional materials becomes increasingly important. In this study, we prepared Ag@MXene-cellulose nanofiber (AMC) multi-functional composites with a three-dimensional (3D) conductive network structure, which can be used for electromagnetic interference (EMI) shielding, pressure sensing, and actuating. AMC has good electrical conductivity (18.04 S cm⁻¹) and EMI shielding effectiveness (37.7 dB). The microstructure of the AMC surface gives it the potential to be applied in the pressure sensor. AMC is humidity-sensitive and has excellent electrical/photo-thermal conversion properties. Thus, AMC can be used to fabricate humidity-driven actuators and electrical/light-driven actuators. Finally, three multi-functional devices/systems have been carefully designed to achieve the fabrication of multi-functional devices/systems that rely on only one raw material, which significantly simplifies the preparation of multi-functional devices. We hope this research will open up new ways for artificial muscles, soft robots, and EMI shielding devices.

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来源期刊

Sensors and Actuators A-physical 工程技术-工程：电子与电气

CiteScore

8.10

自引率

6.50%

发文量

630

审稿时长

49 days

期刊介绍： Sensors and Actuators A: Physical brings together multidisciplinary interests in one journal entirely devoted to disseminating information on all aspects of research and development of solid-state devices for transducing physical signals. Sensors and Actuators A: Physical regularly publishes original papers, letters to the Editors and from time to time invited review articles within the following device areas: • Fundamentals and Physics, such as: classification of effects, physical effects, measurement theory, modelling of sensors, measurement standards, measurement errors, units and constants, time and frequency measurement. Modeling papers should bring new modeling techniques to the field and be supported by experimental results. • Materials and their Processing, such as: piezoelectric materials, polymers, metal oxides, III-V and II-VI semiconductors, thick and thin films, optical glass fibres, amorphous, polycrystalline and monocrystalline silicon. • Optoelectronic sensors, such as: photovoltaic diodes, photoconductors, photodiodes, phototransistors, positron-sensitive photodetectors, optoisolators, photodiode arrays, charge-coupled devices, light-emitting diodes, injection lasers and liquid-crystal displays. • Mechanical sensors, such as: metallic, thin-film and semiconductor strain gauges, diffused silicon pressure sensors, silicon accelerometers, solid-state displacement transducers, piezo junction devices, piezoelectric field-effect transducers (PiFETs), tunnel-diode strain sensors, surface acoustic wave devices, silicon micromechanical switches, solid-state flow meters and electronic flow controllers. Etc...