A facile approach to fabricate highly sensitive, flexible strain sensor based on elastomeric/graphene platelet composite film

Qingshi Meng; Zhiwen Liu; Hanhan Sen; Rui Cai

doi:10.1007/s10853-019-03650-1

A facile approach to fabricate highly sensitive, flexible strain sensor based on elastomeric/graphene platelet composite film

Qingshi Meng, Zhiwen Liu, Hanhan Sen, Rui Cai

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

75 Downloads (Pure)

Abstract

This work developed a facile approach to fabricate highly sensitive and flexible polyurethane/graphene platelets composite film for wearable strain sensor. The composite film was fabricated via layer-by-layer laminating method which is simple and cost-effective; it exhibited outstanding electrical conductivity of 1430 ± 50 S/cm and high sensitivity to strain (the gauge factor is up to 150). In the sensor application test, the flexible strain sensor achieves real-time monitoring accurately for five bio-signals such as pulse movement, finger movement, and cheek movement giving a great potential as wearable-sensing device. In addition, the developed strain sensor shows response to pressure and temperature in a certain region. A multifaceted comparison between reported flexible strain sensors and our strain sensor was made highlighting the advantages of the current work in terms of (1) high sensitivity (gauge factor) and flexibility, (2) facile approach of fabrication, and (3) accurate monitoring for body motions.

Original language	English
Pages (from-to)	10856–10870
Number of pages	15
Journal	Journal of Materials Science
Volume	54
Issue number	15
Early online date	29 Apr 2019
DOIs	https://doi.org/10.1007/s10853-019-03650-1
Publication status	Published - Aug 2019

Bibliographical note

The final publication is available at Springer via http://dx.doi.org/10.1007/s10853-019-03650-1

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

Keywords

Graphene;
Composite films;
Electrical conductivity;
Strain sensor;

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Materials Science(all)

Access to Document

10.1007/s10853-019-03650-1

Post-PrintAccepted author manuscript, 2.31 MBLicence: Unspecified

Cite this

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title = "A facile approach to fabricate highly sensitive, flexible strain sensor based on elastomeric/graphene platelet composite film",

abstract = "This work developed a facile approach to fabricate highly sensitive and flexible polyurethane/graphene platelets composite film for wearable strain sensor. The composite film was fabricated via layer-by-layer laminating method which is simple and cost-effective; it exhibited outstanding electrical conductivity of 1430 ± 50 S/cm and high sensitivity to strain (the gauge factor is up to 150). In the sensor application test, the flexible strain sensor achieves real-time monitoring accurately for five bio-signals such as pulse movement, finger movement, and cheek movement giving a great potential as wearable-sensing device. In addition, the developed strain sensor shows response to pressure and temperature in a certain region. A multifaceted comparison between reported flexible strain sensors and our strain sensor was made highlighting the advantages of the current work in terms of (1) high sensitivity (gauge factor) and flexibility, (2) facile approach of fabrication, and (3) accurate monitoring for body motions.",

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AU - Liu, Zhiwen

AU - Sen, Hanhan

AU - Cai, Rui

N1 - The final publication is available at Springer via http://dx.doi.org/10.1007/s10853-019-03650-1 Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

PY - 2019/8

Y1 - 2019/8

N2 - This work developed a facile approach to fabricate highly sensitive and flexible polyurethane/graphene platelets composite film for wearable strain sensor. The composite film was fabricated via layer-by-layer laminating method which is simple and cost-effective; it exhibited outstanding electrical conductivity of 1430 ± 50 S/cm and high sensitivity to strain (the gauge factor is up to 150). In the sensor application test, the flexible strain sensor achieves real-time monitoring accurately for five bio-signals such as pulse movement, finger movement, and cheek movement giving a great potential as wearable-sensing device. In addition, the developed strain sensor shows response to pressure and temperature in a certain region. A multifaceted comparison between reported flexible strain sensors and our strain sensor was made highlighting the advantages of the current work in terms of (1) high sensitivity (gauge factor) and flexibility, (2) facile approach of fabrication, and (3) accurate monitoring for body motions.

AB - This work developed a facile approach to fabricate highly sensitive and flexible polyurethane/graphene platelets composite film for wearable strain sensor. The composite film was fabricated via layer-by-layer laminating method which is simple and cost-effective; it exhibited outstanding electrical conductivity of 1430 ± 50 S/cm and high sensitivity to strain (the gauge factor is up to 150). In the sensor application test, the flexible strain sensor achieves real-time monitoring accurately for five bio-signals such as pulse movement, finger movement, and cheek movement giving a great potential as wearable-sensing device. In addition, the developed strain sensor shows response to pressure and temperature in a certain region. A multifaceted comparison between reported flexible strain sensors and our strain sensor was made highlighting the advantages of the current work in terms of (1) high sensitivity (gauge factor) and flexibility, (2) facile approach of fabrication, and (3) accurate monitoring for body motions.

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A facile approach to fabricate highly sensitive, flexible strain sensor based on elastomeric/graphene platelet composite film

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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Rui Cai

Cite this

A facile approach to fabricate highly sensitive, flexible strain sensor based on elastomeric/graphene platelet composite film

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Profiles

Rui Cai

Cite this