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PDMS Encapsulated Graphene-Nickel Composite Film as Flexible Tactile Sensor

Kedambaimoole, Vaishakh and Shirhatti, Vijay and Neella, Nagarjuna and Ray, Puspita and Rajanna, K and Nayak, M M (2017) PDMS Encapsulated Graphene-Nickel Composite Film as Flexible Tactile Sensor. In: 16th IEEE SENSORS CONFERENCE, OCT 29-NOV 01, 2017, Glasgow, SCOTLAND, pp. 301-303.

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Official URL: http://dx.doi.org/ 10.1109/ICSENS.2017.8233967

Abstract

We report the fabrication of a flexible tactile sensor using Graphene-Ni composite film encapsulated in Polydimethylsiloxane (PDMS). Synthesis of Graphene was carried out by modified Hummer's method. The composite material was characterized by XRD and FE-SEM to analyze their structural and morphological properties. PDMS films were formed using spin coating of liquid PDMS on a metal substrate. Graphene - Ni composite film was screen printed on PDMS. The sensor, encapsulated in PDMS, was found to be highly flexible, cost effective and involved simple fabrication procedure. In the present work, this sensor was used to monitor wrist movement. The device was found to be highly sensitive with a reported gauge factor of 8.08. The piezoresistive device can be used to monitor wide range of muscle movements with high sensitivity. The sensor finds potential applications in healthcare, robotic applications and consumer electronics.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belong to IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Department/Centre: Division of Interdisciplinary Research > Centre for Nano Science and Engineering
Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Depositing User: Id for Latest eprints
Date Deposited: 07 May 2018 19:00
Last Modified: 07 May 2018 19:00
URI: http://eprints.iisc.ac.in/id/eprint/59797

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