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A flexible, ultra-sensitive strain sensor based on carbon nanocoil network fabricated by electrophoretic method

Abstract

An ultra-sensitive strain sensor has been fabricated and studied whose sensing medium is a network structure composed of plenty of carbon nanocoils (CNCs) and deposited between two gold electrodes by the method of electrophoresis. The sensor owns a gauge factor of close to 10000 for tensile strain. A high stability and reproducibility of more than 5000 cycles, and a fast response time of approximately 50 ms have been achieved. It also has a high sensitivity for bending strain as well. Practically, it shows an excellent performance in detection of breathing, wrist pulse, and vibration. The sensor can be fabricated with simple technology and low cost, suggesting great potential applications in micro-nano electromechanical systems, wearable devices and electronic skins.

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Publication details

The article was received on 19 Mar 2017, accepted on 15 Jun 2017 and first published on 16 Jun 2017


Article type: Paper
DOI: 10.1039/C7NR01945A
Citation: Nanoscale, 2017, Accepted Manuscript
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    A flexible, ultra-sensitive strain sensor based on carbon nanocoil network fabricated by electrophoretic method

    C. Li, L. Pan, C. Deng, P. Wang, Y. Huang and H. Nasir, Nanoscale, 2017, Accepted Manuscript , DOI: 10.1039/C7NR01945A

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