Ultra-sensitive flexible stretchable sensor based on bionic structure using graphene oxide and carboxylated multi-walled carbon nanotubes for wearable electronic skin

IF 4.6 2区物理与天体物理 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Results in Physics Pub Date : 2025-09-18 DOI:10.1016/j.rinp.2025.108441

Shusong Li , Shuang Shao , Lei Ju , Ying Pan , Na Zhu , Jiabin Li , Jiarun Wang , Ziyang Song , Weiqiang Hong , Jiangtao Hu , Liang Wang , Rongwei Shi , Lupeng Lin

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Abstract

Flexible stretchable sensors have recently attracted significant attention due to their great potential in detecting human joint posture and monitoring health. However, fabricating stretchable sensors that combine ultrasensitive responsiveness with fast response times over a wide strain range remains a major challenge. To address this issue, this study presents an ultrasensitive flexible stretchable sensor (FSS) based on a biomimetic structure, utilizing graphene oxide and carboxylated multi-walled carbon nanotubes as synergistic conductive sensing materials. The FSS exhibited excellent performance, including a strain gauge factor of up to 84.942, a sensing range of up to 160 %, a lower strain detection limit of 0.25 %, and rapid response and recovery times50 ms and 70 ms, respectively. Additionally, FSS is successfully applied to Morse code messaging, motion monitoring, and sitting posture recognition, highlighting its potential for wearable electronic skin applications.

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基于氧化石墨烯和羧化多壁碳纳米管仿生结构的可穿戴电子皮肤超灵敏柔性可拉伸传感器

柔性可拉伸传感器由于其在检测人体关节姿势和监测健康方面的巨大潜力，最近引起了人们的极大关注。然而，在宽应变范围内制造超灵敏响应和快速响应时间相结合的可拉伸传感器仍然是一个主要挑战。为了解决这一问题，本研究提出了一种基于仿生结构的超灵敏柔性可拉伸传感器（FSS），利用氧化石墨烯和羧化多壁碳纳米管作为协同导电传感材料。实验结果表明，FSS的应变测量系数高达84.942，传感范围高达160%，应变检测限低至0.25%，响应时间和恢复时间分别为50 ms和70 ms。此外，FSS已成功应用于莫尔斯电码信息传递、运动监测和坐姿识别，突显了其在可穿戴电子皮肤应用方面的潜力。

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来源期刊

Results in Physics MATERIALS SCIENCE, MULTIDISCIPLINARYPHYSIC-PHYSICS, MULTIDISCIPLINARY

CiteScore

8.70

自引率

9.40%

发文量

754

审稿时长

50 days

期刊介绍： Results in Physics is an open access journal offering authors the opportunity to publish in all fundamental and interdisciplinary areas of physics, materials science, and applied physics. Papers of a theoretical, computational, and experimental nature are all welcome. Results in Physics accepts papers that are scientifically sound, technically correct and provide valuable new knowledge to the physics community. Topics such as three-dimensional flow and magnetohydrodynamics are not within the scope of Results in Physics. Results in Physics welcomes three types of papers: 1. Full research papers 2. Microarticles: very short papers, no longer than two pages. They may consist of a single, but well-described piece of information, such as: - Data and/or a plot plus a description - Description of a new method or instrumentation - Negative results - Concept or design study 3. Letters to the Editor: Letters discussing a recent article published in Results in Physics are welcome. These are objective, constructive, or educational critiques of papers published in Results in Physics. Accepted letters will be sent to the author of the original paper for a response. Each letter and response is published together. Letters should be received within 8 weeks of the article''s publication. They should not exceed 750 words of text and 10 references.