Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/142988
Title: Mechanically interlocked hydrogel–elastomer hybrids for on-skin electronics
Authors: Pan, Shaowu
Zhang, Feilong
Cai, Pingqiang
Wang, Ming
He, Ke
Luo, Yifei
Li, Zheng
Chen, Geng
Ji, Shaobo
Liu, Zhihua
Loh, Xian Jun
Chen, Xiaodong
Keywords: Engineering::Materials
Issue Date: 2020
Source: Pan, S., Zhang, F., Cai, P., Wang, M., He, K., Luo, Y., . . . Chen, X. (2020). Mechanically interlocked hydrogel–elastomer hybrids for on-skin electronics. Advanced Functional Materials, 30(29), 1909540-. doi:10.1002/adfm.201909540
Journal: Advanced Functional Materials
Abstract: Soft electronics that seamlessly interface with skin are of great interest in health monitoring and human–machine interfaces. However, achieving mechanical softness, skin adhesiveness, and high conductivity concurrently has always been a major challenge due to the difficulty in bonding dissimilar materials while retaining their respective properties. Herein, the mechanically interlocked hydrogel–elastomer hybrid is reported as a viable solution to this problem. Hydrogels with low moduli and high adhesiveness are employed as the substrate, while porous elastomer webs are used as matrices to load conductive films and lock the hydrogels through a mechanically interlocked structure. The bonding strength between the hydrogel and elastomer in the interlocking hybrid structure is 14.3 times of that obtained via the physical stacking method. As a proof of concept, interlocking hybrids are used as on-skin electrodes for electrophysiological signal recording including electromyography and electrocardiography. The robust hybrid electrodes are able to detect signals after multiple cycles. The proposed strategy not only is an effective approach to achieve interlocking structures, but also provides a new perspective for soft and stretchable electronics.
URI: https://hdl.handle.net/10356/142988
ISSN: 1616-301X
DOI: 10.1002/adfm.201909540
Rights: This is the accepted version of the following article: Pan, S., Zhang, F., Cai, P., Wang, M., He, K., Luo, Y., . . . Chen, X. (2020). Mechanically interlocked hydrogel–elastomer hybrids for on-skin electronics. Advanced Functional Materials, 30(29), 1909540-, which has been published in final form at http://doi.org.remotexs.ntu.edu.sg/10.1002/adfm.201909540. This article may be used for non-commercial purposes in accordance with the Wiley Self-Archiving Policy [https://authorservices.wiley.com/authorresources/Journal-Authors/licensing/self-archiving.html].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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