Self-Sensing, Ultralight, and Conductive 3D Graphene/Iron Oxide Aerogel Elastomer Deformable in a Magnetic Field

ACS Nano
Xiang XuYury Gogotsi

Abstract

Three-dimensional (3D) graphene aerogels (GA) show promise for applications in supercapacitors, electrode materials, gas sensors, and oil absorption due to their high porosity, mechanical strength, and electrical conductivity. However, the control, actuation, and response properties of graphene aerogels have not been well studied. In this paper, we synthesized 3D graphene aerogels decorated with Fe3O4 nanoparticles (Fe3O4/GA) by self-assembly of graphene with simultaneous decoration by Fe3O4 nanoparticles using a modified hydrothermal reduction process. The aerogels exhibit up to 52% reversible magnetic field-induced strain and strain-dependent electrical resistance that can be used to monitor the degree of compression/stretching of the material. The density of Fe3O4/GA is only about 5.8 mg cm(-3), making it an ultralight magnetic elastomer with potential applications in self-sensing soft actuators, microsensors, microswitches, and environmental remediation.

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Citations

Feb 11, 2016·Small·Qiangqiang ZhangDong Lin
Sep 24, 2016·Journal of Colloid and Interface Science·Yi-Feng Lin, Shih-Hsuan Hsu
Apr 6, 2017·ACS Applied Materials & Interfaces·Qiangqiang ZhangTimothy S Fisher
Jan 27, 2017·Environmental Science and Pollution Research International·Yunjin YaoTongwen Xu
Jul 22, 2017·Advanced Materials·Ling QiuDan Li
Feb 6, 2017·Angewandte Chemie·Christoph ZieglerAlexander Eychmüller
Nov 4, 2017·Environmental Science and Pollution Research International·Muhammad Adil RiazJunaid Saleem
Aug 4, 2018·Advanced Materials·Tan-Phat Huynh, Hossam Haick
Sep 25, 2018·Nanoscale·Chenwei LiChen-Yang Liu
Sep 3, 2019·Small·Jing YangWei Liu
Oct 5, 2019·Advanced Materials·Xiaoxuan ZhangYuanjin Zhao
Dec 1, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Manish K JaiswalPratap Vishnoi
Jul 25, 2018·Proceedings of the National Academy of Sciences of the United States of America·Meng LiFiorenzo G Omenetto
Jul 11, 2020·Scientific Reports·Deisy C Carvalho FernandesVikas Berry
Nov 7, 2017·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Haiyan JiaXinling Wang
Nov 9, 2017·Soft Matter·Elizaveta I AnastasovaVladimir V Vinogradov
Mar 13, 2018·Beilstein Journal of Nanotechnology·Błażej ScheibeFeliks Stobiecki
May 16, 2018·Environmental Science and Pollution Research International·Qingqing MaShiyun Ai
Aug 17, 2019·Current Medicinal Chemistry·Javad TavakoliYouhong Tang
Jan 8, 2021·Journal of Hazardous Materials·Leonardo M T M OliveiraLucas Meili
Apr 10, 2021·Multifunctional Materials·Shuai WuRuike Zhao
Feb 9, 2018·ACS Applied Materials & Interfaces·Jingxia HuangShengrong Yang
Feb 16, 2018·ACS Applied Materials & Interfaces·Hongmiao TianShengqiang Cai

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