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Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
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Sensors and Materials, Volume 26, Number 9 (2014)
Copyright(C) MYU K.K.
pp. 699-709
S&M1035 Research Paper
https://doi.org/10.18494/SAM.2014.1030
Published: November 18, 2014

Graphene-Based Strain Gauge on a Flexible Substrate [PDF]

Mohammed Gamil, Hassan Nageh, Ingy Bkrey, Sahour Sayed, Ahmed M. R. Fath El-Bab, Koichi Nakamura, Osamu Tabata and Ahmed Abd El-Moneim

(Received March 3, 2014; Accepted April 1, 2014)

Keywords: graphene oxide, graphene, strain gauge, gauge factor, flexible sensors

A flexible laser-reduced graphene oxide (LRGO) strain gauge formed on a polyethylene terephthalate (PET) substrate is fabricated using a new technique suitable for large-scale and low-cost mass production. The LRGO film is initially synthesized by drop-casting a graphene oxide (GO) solution on a flexible PET substrate, followed by the simultaneous reduction and patterning of the dried film with a 1.8 W carbon dioxide laser. The LRGO film is then characterized by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, Raman spectroscopy, and scanning electron microscopy (SEM). A multilayer LRGO film with an estimated average thickness of 2.5 µm and good adhesion to the PET substrate is obtained. The measured gauge factor of the LRGO strain gauge is 61.5.

Corresponding author: Ahmed Abd El-Moneim


Cite this article
Mohammed Gamil, Hassan Nageh, Ingy Bkrey, Sahour Sayed, Ahmed M. R. Fath El-Bab, Koichi Nakamura, Osamu Tabata and Ahmed Abd El-Moneim, Graphene-Based Strain Gauge on a Flexible Substrate, Sens. Mater., Vol. 26, No. 9, 2014, p. 699-709.



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