Fabric-Like Pvac-Graphene Nanofiber Capacitive Pressure Sensors for Next-Generation Wearables

Conference paper (2022)

Authors

D. Sengupta University Medical Center Groningen
Liqiang Lu University Medical Center Groningen
Yutao Pei University Medical Center Groningen
Ajay Giri Prakash Kottapalli Massachusetts Institute of Technology, University Medical Center Groningen
Affiliation
External organisation
Capacitive Graphene Flexible sensors Nanofibers PVAc
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Published Date

2022

Language

English

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Abstract

In this work, we report a class of fabric-like flexible and wearable capacitive sensors utilizing electrospun polyvinyl acetate (PV Ac)-graphene nanofibers for human motion monitoring applications. The sensor reported in this work features flexible PV Ac-graphene thin film sandwiched between two layers of conductive fabric and fully encapsulated in transparent adhesive films. The fabricated pressure sensor demonstrates two linear regimes with sensitivity figures of 0.0136 kPa-1 (pressure < 75 kPa) and 0.0063 kPa-1 (pressure > 75 kPa), respectively. The realized pressure sensor is flexible and apparel integrable, and the facile fabrication method will enable reliable and repeatable performance over roll-to-roll manufacturing suitable for mass production.