基于皱褶结构和多孔微结构的高性能柔性压阻式 3D 压力传感器

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2024-11-07 DOI:10.1016/j.matlet.2024.137688

Shuhuan Deng , Qian Zeng , Zhiyuan Xiao, Jiewen Zhang, Guang Yang, XinYing Wu, Jialin Li, Dan Zhang, Jingjie Zhou, Bitao Liu

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引用次数: 0

摘要

为了实现高灵敏度的柔性压阻传感器，我们利用褶皱结构和多孔微结构开发了一种创新战略。由于采用了这些特殊结构，灵敏度最高可达 1.58 kPa-1。我们进行了宏观和微观信号测试，结果表明它能够检测到人体生理反应中复杂而微弱的信号。重要的是，由于其在低压下的高灵敏度，该传感器可以区分包括儿童和成人在内的个人脉搏。这凸显了它作为可穿戴诊断设备的潜力，可在各种条件下实时监测人体健康状况。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

High-performance flexible piezoresistive 3D pressure sensor based on wrinkled structures and porous microstructures

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High-performance flexible piezoresistive 3D pressure sensor based on wrinkled structures and porous microstructures

To achieve a highly sensitive flexible piezoresistive sensor, an innovative strategy was developed by leveraging wrinkled structures and porous microstructures. Due to these specialized structures, the sensitivity can reach up to 1.58 kPa⁻¹. Both macro and micro signal tests were conducted, revealing the ability to detect complex and weak signals found in human physiological responses. Importantly, due to its high sensitivity at low pressure, the sensor can differentiate the pulse rates of individuals, including children and adults. This highlights its potential as a wearable diagnostic device for real-time monitoring of human health under various conditions.

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive