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Title: 3D-structured stretchable strain sensors for out-of-plane force detection
Authors: Liu, Zhiyuan
Qi, Dianpeng
Leow, Wan Ru
Yu, Jiancan
Xiloyannnis, Michele
Cappello, Leonardo
Liu, Yaqing
Zhu, Bowen
Jiang, Ying
Chen, Geng
Masia, Lorenzo
Liedberg, Bo
Chen, Xiaodong
Keywords: Engineering::Materials
Issue Date: 2018
Source: Liu, Z., Qi, D., Leow, W. R., Yu, J., Xiloyannnis, M., Cappello, L., . . . Chen, X. (2018). 3D-structured stretchable strain sensors for out-of-plane force detection. Advanced materials, 30(26), 1707285-. doi:10.1002/adma.201707285
Journal: Advanced Materials
Abstract: Stretchable strain sensors, as the soft mechanical interface, provide the key mechanical information of the systems for healthcare monitoring, rehabilitation assistance, soft exoskeletal devices, and soft robotics. Stretchable strain sensors based on 2D flat film have been widely developed to monitor the in-plane force applied within the plane where the sensor is placed. However, to comprehensively obtain the mechanical feedback, the capability to detect the out-of-plane force, caused by the interaction outside of the plane where the senor is located, is needed. Herein, a 3D-structured stretchable strain sensor is reported to monitor the out-of-plane force by employing 3D printing in conjunction with out-of-plane capillary force-assisted self-pinning of carbon nanotubes. The 3D-structured sensor possesses large stretchability, multistrain detection, and strain-direction recognition by one single sensor. It is demonstrated that out-of-plane forces induced by the air/fluid flow are reliably monitored and intricate flow details are clearly recorded. The development opens up for the exploration of next-generation 3D stretchable sensors for electronic skin and soft robotics.
ISSN: 0935-9648
DOI: 10.1002/adma.201707285
Schools: School of Materials Science & Engineering 
School of Mechanical and Aerospace Engineering 
Organisations: Innovative Centre for Flexible Devices
Rights: © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved. This paper was published in Advanced Materials and is made available with permission of WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles
MSE Journal Articles

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