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research-article

A flexible two dimensional force sensor using PDMS nanocomposite

Authors:

Tallis H. da Costa,

Jin-Woo ChoiAuthors Info & Claims

Microelectronic Engineering, Volume 174, Issue C

Pages 64 - 69

https://doi.org/10.1016/j.mee.2017.02.001

Published: 25 April 2017 Publication History

Abstract

This paper presents a two dimensional force sensor fabricated on PDMS nanocomposite, with patterned carbon nanotubes (CNTs) acting as a force sensing unit. A novel fabrication method is composed of inkjet printing of CNTs onto polyethylene terephthalate (PET) and subsequent transfer of the CNT patterns to PDMS, resulting in a CNT-elastomer nanocomposite that is flexible and conductive. This approach allows patterning of a large-area conductive carbon nanotube pattern on PDMS. The achieved sheet resistance of the transferred patterns on PDMS was 1.2k/ when printed 35 times, using an office inkjet printer. The fabricated sensor changes its resistance when force is applied perpendicularly to the sensor. A two dimensional force sensor, working on the principle of compression-induced deformation was fabricated and characterized with achieved resolution of four sensing cells per cm2. Additionally, we demonstrate a two dimensional flexible force sensor capable of creating a pressure map of the applied force. Together with inkjet printing, this pattern transfer process represents a highly effective patterning technique for embedding carbon nanotubes in PDMS. Display Omitted A transfer printing technique has been developed to pattern embedded carbon nanotubes onto PDMS.Patterns show good uniformity, forming an embedded CNT network.A highly flexible two dimensional force sensor has been demonstrated, showing the pressure map applied.

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Cited By

Yang J(2021)Flexible temperature Sensor based on PDMS/CNT/Ti3C2TX for physiological temperature monitoringProceedings of the 2nd International Symposium on Artificial Intelligence for Medicine Sciences10.1145/3500931.3500987(317-321)Online publication date: 29-Oct-2021
https://dl.acm.org/doi/10.1145/3500931.3500987
Sorba FMartin-Olmos C(2018)High resolution polymer coated strain sensors for in-liquid operationMicroelectronic Engineering10.1016/j.mee.2018.01.020191:C(38-41)Online publication date: 5-May-2018
https://dl.acm.org/doi/10.1016/j.mee.2018.01.020

A flexible two dimensional force sensor using PDMS nanocomposite
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Published In

cover image Microelectronic Engineering

Microelectronic Engineering Volume 174, Issue C

April 2017

89 pages

ISSN:0167-9317

Issue’s Table of Contents

Copyright © Elsevier B.V.

Publisher

Elsevier Science Ltd.

United Kingdom

Publication History

Published: 25 April 2017

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Cited By

Yang J(2021)Flexible temperature Sensor based on PDMS/CNT/Ti3C2TX for physiological temperature monitoringProceedings of the 2nd International Symposium on Artificial Intelligence for Medicine Sciences10.1145/3500931.3500987(317-321)Online publication date: 29-Oct-2021
https://dl.acm.org/doi/10.1145/3500931.3500987
Sorba FMartin-Olmos C(2018)High resolution polymer coated strain sensors for in-liquid operationMicroelectronic Engineering10.1016/j.mee.2018.01.020191:C(38-41)Online publication date: 5-May-2018
https://dl.acm.org/doi/10.1016/j.mee.2018.01.020

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