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[期刊论文]

High toughness multifunctional organic hydrogels for flexible strain and temperature sensor

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author:

Chen, Hongjie (Chen, Hongjie.) [1] | Huang, Jianren (Huang, Jianren.) [2] | Liu, Jiantao (Liu, Jiantao.) [3] | Unfold

Indexed by:

EI SCIE

Abstract:

The conductive hydrogel has shown extensive applications in multifunctional sensors. However, the intrinsic characteristics of conductive hydrogels, such as lacking anti-freezing, mechanical strength, and being easily dehydrated have hindered their application in wearable devices. Herein, reduced graphene oxide (rGO) and graphene oxide (GO) nanosheets were incorporated into a porous cross-linking poly(vinyl alcohol) (PVA) hydrogel network within dimethyl sulfoxide (DMSO)/H2O binary solvent. A honeycomb-like dense micro-network and uniform dispersion conductive tough fillers endow high toughness (3.1 MPa @ 600% strain) and conductivity to the organohydrogel. With the intense interaction between water and DMSO, the organohydrogel exhibits reliable mechanical and electronic performance in a wide range of temperatures (-30 to 60 degrees C) and possesses excellent ambient stability. The organohydrogel had excellent sensitivity and linear repeatable response ability in both mechanical and thermal stimulation. With the integrated unique features, the sensitive organohydrogel was developed for a multifunctional sensor. As a strain/pressure sensor, it exhibited a sensitive response to the applied tensile or compressed strain with repeatability and durability. As a temperature sensor, it presented excellent linear and reliable thermal response with a high sensing accuracy. This work provides a new paradigm for designing a wearable multifunctional sensor or E-skin, which is used to detect the motion or temperature of the human in the future.

Community:

  • [ 1 ] [Chen, Hongjie]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 2 ] [Huang, Jianren]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 3 ] [Liu, Jiantao]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 4 ] [Guo, Jinquan]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 5 ] [Yang, Xiaoxiang]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 6 ] [Chen, Hongjie]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China
  • [ 7 ] [Huang, Jianren]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China
  • [ 8 ] [Zhu, Jundong]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China
  • [ 9 ] [Huang, Bing]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China
  • [ 10 ] [Bai, Jin]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China
  • [ 11 ] [Guan, Lunhui]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China
  • [ 12 ] [Gu, Jianfeng]Fuzhou Univ, Coll Chem Engn, Fuzhou 350108, Peoples R China

Reprint 's Address:

  • 杨晓翔

    [Yang, Xiaoxiang]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China;;[Guan, Lunhui]Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fujian Key Lab Nanomat, Fuzhou 350002, Peoples R China

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Source :

JOURNAL OF MATERIALS CHEMISTRY A

ISSN: 2050-7488

Year: 2021

Issue: 40

Volume: 9

Page: 23243-23255

1 4 . 5 1 1

JCR@2021

1 0 . 8 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:142

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 123

SCOPUS Cited Count: 98

30 Days PV: 0

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