Stretchable, Twisted Conductive Microtubules for Wearable Computing, Robotics, Electronics, and Healthcare

Scientific Reports
Thanh Nho Do, Yon Visell

Abstract

Stretchable and flexible multifunctional electronic components, including sensors and actuators, have received increasing attention in robotics, electronics, wearable, and healthcare applications. Despite advances, it has remained challenging to design analogs of many electronic components to be highly stretchable, to be efficient to fabricate, and to provide control over electronic performance. Here, we describe highly elastic sensors and interconnects formed from thin, twisted conductive microtubules. These devices consist of twisted assemblies of thin, highly stretchable (>400%) elastomer tubules filled with liquid conductor (eutectic gallium indium, EGaIn), and fabricated using a simple roller coating process. As we demonstrate, these devices can operate as multimodal sensors for strain, rotation, contact force, or contact location. We also show that, through twisting, it is possible to control their mechanical performance and electronic sensitivity. In extensive experiments, we have evaluated the capabilities of these devices, and have prototyped an array of applications in several domains of stretchable and wearable electronics. These devices provide a novel, low cost solution for high performance stretchable electronics ...Continue Reading

References

Mar 27, 2010·Science·John A RogersYonggang Huang
Jun 22, 2010·Advanced Materials·Dae-Hyeong KimJohn A Rogers
Feb 22, 2014·Science·Carter S HainesRay H Baughman
Jan 27, 2015·Advanced Materials·Shanshan Yao, Yong Zhu
Oct 21, 2015·IEEE Transactions on Bio-medical Engineering·Thanh Nho DoSoo Jay Phee
Jan 21, 2016·Advanced Materials·Jonathan GoffJames P Lewicki
Jun 21, 2016·ACS Applied Materials & Interfaces·Peng LiuAmy M Marconnet
Oct 8, 2016·Advanced Materials·Jingjing GuoSeok-Hyun Yun
Dec 22, 2016·Scientific Reports·Thanh Nho DoSoo Jay Phee

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Citations

Jan 7, 2020·Soft Robotics·Mengjia ZhuYon Visell
Mar 24, 2018·RSC Advances·Muhammad Waqas KhalidHaider Butt
Dec 20, 2018·Micromachines·Mahmoud MosallaeiMatti Mäntysalo
Jun 27, 2019·Soft Robotics·Kevin C GallowayEric J Barth
Oct 8, 2020·Advanced Materials·Jiaqing XiongPooi See Lee
Feb 25, 2021·ACS Applied Materials & Interfaces·Hanbing MiXingyu Jiang

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MATLAB

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