用于可持续压力传感、手势监测和空间压力分布检测的分层结构多孔天然介质层

IF 6.7 3区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Shenawar Ali Khan , Shahzad Iqbal , Sheik Abdur Rahman, Muhammad Saqib, Muhammad Muqeet Rehman, Woo Young Kim
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引用次数: 0

摘要

柔性压力传感器是智能皮肤、医疗保健监测系统和软体机器人技术中不可或缺的部件,可将机械运动与电信号连接起来。然而,传统的压力传感器面临着各种挑战,包括复杂的制造方法、成本增加以及生物兼容性问题。本研究提出了一种新型生物友好型分层结构多孔天然双电材料电容式压力传感器,其最大灵敏度为 0.0572 kPa。所提出的压力传感器使用具有典型蜂巢结构的生物膜作为介电层,夹在铝电极之间,并采用聚二甲基硅氧烷(PDMS)封装。该器件的传感面积为 1.44 厘米,响应时间 (T) 为 250 毫秒,恢复时间 (T) 为 156 毫秒,电容式压力传感范围为 0-110 千帕。该设备可监测各种人体活动和刺激,准确检测压力分布和手势识别。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Hierarchically structured porous natural dielectric layer for sustainable pressure sensing, gesture monitoring, and detecting spatial pressure distribution

Flexible pressure sensors are essential in intelligent skins, healthcare monitoring systems, and soft robotics to bridge mechanical movements and electrical signals. Conventional pressure sensors, however, have a variety of challenges, including a complex fabrication method, increased cost, and biocompatibility issues. This work presents a novel bio-friendly, hierarchically structured porous natural dielectric material based capacitive pressure sensor featuring a maximum sensitivity of 0.0572 kPa−1. The proposed pressure sensor uses a biofilm with a typically arranged honeycomb structure as a dielectric layer sandwiched between the Aluminum (Al) electrodes and incorporates polydimethylsiloxane (PDMS) encapsulation. With a 1.44 cm2 sensing area, the device exhibits a response time (Tres) of 250 ms and a recovery time (Trec) of 156 ms, functioning within a capacitive pressure sensing range of 0–110 kPa. This device monitors various human activities and stimuli and accurately detects pressure distribution and gesture recognition.

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来源期刊
Journal of Science: Advanced Materials and Devices
Journal of Science: Advanced Materials and Devices Materials Science-Electronic, Optical and Magnetic Materials
CiteScore
11.90
自引率
2.50%
发文量
88
审稿时长
47 days
期刊介绍: In 1985, the Journal of Science was founded as a platform for publishing national and international research papers across various disciplines, including natural sciences, technology, social sciences, and humanities. Over the years, the journal has experienced remarkable growth in terms of quality, size, and scope. Today, it encompasses a diverse range of publications dedicated to academic research. Considering the rapid expansion of materials science, we are pleased to introduce the Journal of Science: Advanced Materials and Devices. This new addition to our journal series offers researchers an exciting opportunity to publish their work on all aspects of materials science and technology within the esteemed Journal of Science. With this development, we aim to revolutionize the way research in materials science is expressed and organized, further strengthening our commitment to promoting outstanding research across various scientific and technological fields.
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