Flexible and integrated sensing platform of acoustic waves and metamaterials based on polyimide coated woven carbon fibers

Tao, Ran, Zahertar, Shahrzad, Torun, Hamdi, Liu, Yiru, Wang, Meng, Lu, Yuchao, Luo, JingTing, Vernon, Jethro, Binns, Richard, He, Yang, Tao, Kai, Wu, Qiang, Chang, Honglong and Fu, Richard (2020) Flexible and integrated sensing platform of acoustic waves and metamaterials based on polyimide coated woven carbon fibers. ACS Sensors, 5 (8). pp. 2563-2569. ISSN 2379-3694

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Flexible_SAW_on_polyimide_coated_carbon_fibres_revised_V3.pdf - Accepted Version
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Official URL: https://doi.org/10.1021/acssensors.0c00948

Abstract

Versatile, in situ sensing and continuous monitoring capabilities are critically needed but challenging for components made of solid woven carbon fibers in aerospace, electronics and medical applications. In this work, we proposed a unique concept of integrated sensing technology on woven carbon fibers through integration of thin film surface acoustic wave (SAW) technology and electromagnetic metamaterials, with capabilities of non-invasive, in-situ and continuous monitoring of environmental parameters and biomolecules wirelessly. Firstly, we fabricated composite materials using a three-layer composite design, in which the woven carbon fiber cloth was firstly coated with a polyimide (PI) layer followed by a layer of ZnO film. Integrated SAW and metamaterials devices were then fabricated on this composite structure. Temperature of the functional area of the device can be controlled precisely using the SAW devices, which can provide a proper incubation environment for biosampling processes. As a demonstration for an ultraviolet light sensor, the SAW device could achieve a good sensitivity of 56.86 ppm/(mW∙cm-2). On the same integrated platform, the electromagnetic resonator based on the meta-materials has been demonstrated to work as a glucose concentration monitor with a sensitivity of 0.34 MHz/(mg/dL).

Item Type: Article
Uncontrolled Keywords: Surface acoustic wave, carbon fiber, electromagnetic metamaterials, biosensors, microfabrication
Subjects: F200 Materials Science
F300 Physics
H600 Electronic and Electrical Engineering
H800 Chemical, Process and Energy Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Elena Carlaw
Date Deposited: 24 Jul 2020 12:03
Last Modified: 14 Sep 2020 15:00
URI: http://nrl.northumbria.ac.uk/id/eprint/43874

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