Ultrasensitive strain sensor produced by direct patterning of liquid crystals of graphene oxide on a flexible substrate

M. Bulut Coskun; Abozar  Akbari; Daniel T. H. Lai; Adrian Neild; Mainak Majumder; Tuncay Alan

doi:10.1021/acsami.6b06290

Ultrasensitive strain sensor produced by direct patterning of liquid crystals of graphene oxide on a flexible substrate

M. Bulut Coskun, Abozar Akbari, Daniel T. H. Lai, Adrian Neild, Mainak Majumder, Tuncay Alan

Mechanical & Aerospace Engineering

Research output: Contribution to journal › Article › Research › peer-review

39 Citations (Scopus)

Abstract

Ultrasensitive flexible strain sensors were developed through the combination of shear alignment of a high concentration graphene oxide (GO) dispersion with fast and precise patterning of multiple rectangular features on a flexible substrate. Resistive changes in the reduced GO films were investigated under various uniaxial strain cycles ranging from 0.025 to 2%, controlled with a motorized anopositioning stage. The devices uniquely combine a very small detection limit (0.025%) and a high gauge factor with a rapid fabrication process conducive to batch production.

Original language	English
Pages (from-to)	22501-22505
Number of pages	5
Journal	ACS Applied Materials & Interfaces
Volume	8
Issue number	34
DOIs	https://doi.org/10.1021/acsami.6b06290
Publication status	Published - 4 Sep 2016

Keywords

Strain gauge
rGO
Direct GO patterning
Shear alignment
High sensitivity
Flexible substrate

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10.1021/acsami.6b06290

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Cite this

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title = "Ultrasensitive strain sensor produced by direct patterning of liquid crystals of graphene oxide on a flexible substrate",

abstract = "Ultrasensitive flexible strain sensors were developed through the combination of shear alignment of a high concentration graphene oxide (GO) dispersion with fast and precise patterning of multiple rectangular features on a flexible substrate. Resistive changes in the reduced GO films were investigated under various uniaxial strain cycles ranging from 0.025 to 2%, controlled with a motorized anopositioning stage. The devices uniquely combine a very small detection limit (0.025%) and a high gauge factor with a rapid fabrication process conducive to batch production.",

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Ultrasensitive strain sensor produced by direct patterning of liquid crystals of graphene oxide on a flexible substrate. / Coskun, M. Bulut; Akbari, Abozar; Lai, Daniel T. H.; Neild, Adrian ; Majumder, Mainak ; Alan, Tuncay.

In: ACS Applied Materials & Interfaces, Vol. 8, No. 34, 04.09.2016, p. 22501-22505.

Research output: Contribution to journal › Article › Research › peer-review

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AU - Coskun, M. Bulut

AU - Akbari, Abozar

AU - Lai, Daniel T. H.

AU - Neild, Adrian

AU - Majumder, Mainak

AU - Alan, Tuncay

PY - 2016/9/4

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KW - rGO

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KW - Shear alignment

KW - High sensitivity

KW - Flexible substrate

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Ultrasensitive strain sensor produced by direct patterning of liquid crystals of graphene oxide on a flexible substrate

Abstract

Keywords

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Melbourne Centre for Nanofabrication

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