Piezoionic-powered graphene strain sensor based on solid polymer electrolyte

De Sheng Liu; Hanjun Ryu; Usman Khan; Cuo Wu; Jae Hwan Jung; Jiang Wu; Zhiming Wang; Sang Woo Kim

doi:10.1016/j.nanoen.2020.105610

Piezoionic-powered graphene strain sensor based on solid polymer electrolyte

De Sheng Liu, Hanjun Ryu, Usman Khan, Cuo Wu, Jae Hwan Jung, Jiang Wu, Zhiming Wang, Sang Woo Kim

Department of Materials Science and Engineering

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

Abstract

Doping to graphene is essential for developing graphene-based electronic devices and circuits, while traditional doping methods to graphene are still challenging due to unstable doping characteristics and unavoidable damage to the graphene structure. Here, we demonstrate piezoionic-powered strain and touch sensors using mechanically doped graphene with solid polymer electrolyte (SPE). Due to the piezoionic effect in SPE, the Dirac point voltage of an SPE-coated graphene field-effect transistor (S-GFET) is shifted left/right upon compressive/tensile strain. This mechanical strain tuned piezoionic doping to graphene that enables to obtain different Dirac point voltage of S-GFET for a piezoionic-powered strain sensor. When the S-GFET acted as a strain sensor, the S-GFET exhibited stable output signals against to continuous strain and was able to distinguish between tension and compression without any additional components. The strain sensor mounted on a hand very effectively responded to the hand joint movement. Additionally, it was found that the device is also suitable for touch sensing due to the coupling of triboelectrification and the electronic transport in the S-GFET.

Original language	English
Article number	105610
Journal	Nano Energy
Volume	81
DOIs	https://doi.org/10.1016/j.nanoen.2020.105610
Publication status	Published - 2021 Mar

Bibliographical note

Funding Information:
D.-S.L. and H.R. contributed equally to this work. This work was financially supported by Nano Material Technology Development Program ( 2020M3H4A1A03084600 ) through the National Research Foundation of Korea (NRF), the ICT Creative Consilience Program ( IITP-2020-0-01821 ) through the IITP (Institute for Information & communications Technology Planning & Evaluation) funded by the MSIT (Ministry of Science and ICT) of Korea, and the Korea Basic Science Institute (KBSI), National Research Facilities & Equipment Center (NFEC) grant funded by the Korea government (Ministry of Education) (No. 2019R1A6C1010031 ).

Publisher Copyright:
© 2020

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
Materials Science(all)
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.nanoen.2020.105610

Cite this

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title = "Piezoionic-powered graphene strain sensor based on solid polymer electrolyte",

abstract = "Doping to graphene is essential for developing graphene-based electronic devices and circuits, while traditional doping methods to graphene are still challenging due to unstable doping characteristics and unavoidable damage to the graphene structure. Here, we demonstrate piezoionic-powered strain and touch sensors using mechanically doped graphene with solid polymer electrolyte (SPE). Due to the piezoionic effect in SPE, the Dirac point voltage of an SPE-coated graphene field-effect transistor (S-GFET) is shifted left/right upon compressive/tensile strain. This mechanical strain tuned piezoionic doping to graphene that enables to obtain different Dirac point voltage of S-GFET for a piezoionic-powered strain sensor. When the S-GFET acted as a strain sensor, the S-GFET exhibited stable output signals against to continuous strain and was able to distinguish between tension and compression without any additional components. The strain sensor mounted on a hand very effectively responded to the hand joint movement. Additionally, it was found that the device is also suitable for touch sensing due to the coupling of triboelectrification and the electronic transport in the S-GFET.",

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note = "Funding Information: D.-S.L. and H.R. contributed equally to this work. This work was financially supported by Nano Material Technology Development Program ( 2020M3H4A1A03084600 ) through the National Research Foundation of Korea (NRF), the ICT Creative Consilience Program ( IITP-2020-0-01821 ) through the IITP (Institute for Information & communications Technology Planning & Evaluation) funded by the MSIT (Ministry of Science and ICT) of Korea, and the Korea Basic Science Institute (KBSI), National Research Facilities & Equipment Center (NFEC) grant funded by the Korea government (Ministry of Education) (No. 2019R1A6C1010031 ). Publisher Copyright: {\textcopyright} 2020",

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AU - Wu, Jiang

AU - Wang, Zhiming

AU - Kim, Sang Woo

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N2 - Doping to graphene is essential for developing graphene-based electronic devices and circuits, while traditional doping methods to graphene are still challenging due to unstable doping characteristics and unavoidable damage to the graphene structure. Here, we demonstrate piezoionic-powered strain and touch sensors using mechanically doped graphene with solid polymer electrolyte (SPE). Due to the piezoionic effect in SPE, the Dirac point voltage of an SPE-coated graphene field-effect transistor (S-GFET) is shifted left/right upon compressive/tensile strain. This mechanical strain tuned piezoionic doping to graphene that enables to obtain different Dirac point voltage of S-GFET for a piezoionic-powered strain sensor. When the S-GFET acted as a strain sensor, the S-GFET exhibited stable output signals against to continuous strain and was able to distinguish between tension and compression without any additional components. The strain sensor mounted on a hand very effectively responded to the hand joint movement. Additionally, it was found that the device is also suitable for touch sensing due to the coupling of triboelectrification and the electronic transport in the S-GFET.

AB - Doping to graphene is essential for developing graphene-based electronic devices and circuits, while traditional doping methods to graphene are still challenging due to unstable doping characteristics and unavoidable damage to the graphene structure. Here, we demonstrate piezoionic-powered strain and touch sensors using mechanically doped graphene with solid polymer electrolyte (SPE). Due to the piezoionic effect in SPE, the Dirac point voltage of an SPE-coated graphene field-effect transistor (S-GFET) is shifted left/right upon compressive/tensile strain. This mechanical strain tuned piezoionic doping to graphene that enables to obtain different Dirac point voltage of S-GFET for a piezoionic-powered strain sensor. When the S-GFET acted as a strain sensor, the S-GFET exhibited stable output signals against to continuous strain and was able to distinguish between tension and compression without any additional components. The strain sensor mounted on a hand very effectively responded to the hand joint movement. Additionally, it was found that the device is also suitable for touch sensing due to the coupling of triboelectrification and the electronic transport in the S-GFET.

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Piezoionic-powered graphene strain sensor based on solid polymer electrolyte

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

UN SDGs

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