Highly Sensitive and Stretchable Resistive Strain Sensors Based on Microstructured Metal Nanowire/Elastomer Composite Films

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Kang-Hyun KimJong-Man Kim

Abstract

High sensitivity and high stretchability are two conflicting characteristics that are difficult to achieve simultaneously in elastic strain sensors. A highly sensitive and stretchable strain sensor comprising a microstructured metal nanowire (mNW)/elastomer composite film is presented. The surface structure is easily prepared by combining an mNW coating and soft-lithographic replication processes in a simple and reproducible manner. The densely packed microprism-array architecture of the composite film leads to a large morphological change in the mNW percolation network by efficiently concentrating the strain in the valley regions upon stretching. Meanwhile, the percolation network comprising mNWs with a high aspect ratio is stable enough to prevent electrical failure, even under high strains. This enables the sensor to simultaneously satisfy high sensitivity (gauge factor ≈81 at >130% strain) and high stretchability (150%) while ensuring long-term reliability (10 000 cycles at 150% strain). The sensor can also detect strain induced by bending and pressure, thus demonstrating its potential as a versatile sensing tool. The sensor is successfully utilized to monitor a wide range of human motions in real time. Furthermore, the uni...Continue Reading

References

Mar 29, 2011·Nature Nanotechnology·Takeo YamadaKenji Hata
Jul 13, 2012·Advanced Materials·Feng Xu, Yong Zhu
Nov 20, 2012·Scientific Reports·Xiao LiHongwei Zhu
Jul 10, 2014·ACS Applied Materials & Interfaces·Ung-Hui ShinJong-Man Kim
Nov 3, 2015·ACS Applied Materials & Interfaces·Mohammad Ali DarabiMalcolm M Q Xing
Feb 5, 2016·ACS Applied Materials & Interfaces·Morteza AmjadiMetin Sitti
Jan 18, 2017·ACS Applied Materials & Interfaces·Tamil Selvan NatarajanAmit Das
Jan 18, 2017·ACS Applied Materials & Interfaces·Jian ZhouGilles Lubineau

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Citations

Jan 17, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Songyue ZhangKaiyong Cai
Aug 25, 2020·Advanced Materials·Dianpeng QiYudong Huang
Dec 1, 2019·Nanoscale Research Letters·Zhongyun YuanShengbo Sang
Aug 14, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Songyue ZhangKaiyong Cai
Apr 7, 2019·Nanoscale Research Letters·Sai LiuJinwei Gao
Nov 13, 2020·Nature·Oluwaseun A AraromiRobert J Wood
Dec 30, 2020·ACS Applied Materials & Interfaces·Linpeng LiuLuquan Ren
Dec 27, 2018·ACS Applied Materials & Interfaces·Zhihui WangChunzhong Li
Aug 30, 2019·ACS Applied Materials & Interfaces·Jingjing GuoQionghai Dai
Nov 23, 2018·ACS Applied Materials & Interfaces·Yu PangTian-Ling Ren
Apr 18, 2020·ACS Applied Materials & Interfaces·Shuhua PengChun H Wang
Apr 23, 2019·ACS Applied Materials & Interfaces·Yongsong LuoBingheng Lu
Feb 27, 2020·ACS Applied Materials & Interfaces·Zijing SunQingxin Tang
Oct 4, 2018·ACS Applied Materials & Interfaces·Zhen SangIca Manas-Zloczower

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