Strain sensing graphene functionalized PET films based on a facile dip coating approach

Özek, Ekin Asım and Taşdelen, Melih Can and Tanyeli, Sercan and Yapıcı, Murat Kaya (2021) Strain sensing graphene functionalized PET films based on a facile dip coating approach. In: IEEE International Flexible Electronics Technology Conference (IFETC), Columbus, OH, USA

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Strain sensing is crucial in emerging fields such as artificial/virtual reality applications, Internet-of-Things, and smart wearable devices. Strain sensors for the flexible applications are required to be reliable, structurally sound, and cost-effective for both small and vast fabrication batches. It is a challenging task to meet all the requirements yet reduced graphene oxide films show adequate coating on highly accessible substrates and provide proper figure of merits in terms of piezoresistive strain sensing. In this paper, high throughput single step coating of graphene oxide on flexible substrate and single step material functionalization method is presented for reduced graphene oxide based piezoresistive strain sensing on PET substrate. Physically patterned rGO/PET strain sensors are composed of 2 mm line width along a U-shaped 50 mm outline. Proposed rGO/PET film quality for sensor application was verified by Raman spectroscopy. Operation of the reduced graphene oxide based piezoresistive strain sensor is demonstrated to be repeatable via continuous cyclic bending tests.
Item Type: Papers in Conference Proceedings
Uncontrolled Keywords: Dip coating; Graphene; Graphene oxide; PET film; Piezoresistance; Reduction; Strain sensor
Divisions: Faculty of Engineering and Natural Sciences
Sabancı University Nanotechnology Research and Application Center
Depositing User: Murat Kaya Yapıcı
Date Deposited: 24 Aug 2022 12:24
Last Modified: 24 Aug 2022 12:24

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