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Integrated Soft Ionotronic Skin with Stretchable and Transparent Hydrogel-Elastomer Ionic Sensors for Hand-Motion Monitoring.
Soft Robot. 2019 06; 6(3):368-376.SR

Abstract

Skin-like stretchable sensors with the flexible and soft inorganic/organic electronics have many promising potentials in wearable devices, soft robotics, prosthetics, and health monitoring equipment. Hydrogels with ionic conduction, akin to the biological skin, provide an alternative for soft and stretchable sensor design. However, fully integrated and wearable sensing skin with ionically conductive hydrogel for hand-motion monitoring has not been achieved. In this article, we report a wearable soft ionotronic skin (iSkin) system integrating multichannel stretchable and transparent hydrogel-elastomer hybrid ionic sensors and a wireless electronic control module. The ionic sensor is of resistive type and fabricated by curing ionic hydrogel precursor on a benzophenone-treated preshaped elastomer to form a hydrogel-elastomer hybrid structure. The hydrogel-elastomer hybrid iSkin is highly stretchable (∼300% strain), transparent (∼95% transmittance in the visible light range), and lightweight (<22 g). Experiments demonstrate that the fully integrated iSkin system can conformably attach onto the dexterous hands for recognizing the joint proprioception and hand gesture, and understanding the sign language. Our iSkin system would also provide a test bed for customized material selection and construction in a variety of applications.

Authors+Show Affiliations

1 Soft Robotics and Biodesign Lab, Robotics Institute, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China. 2 State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai, China.1 Soft Robotics and Biodesign Lab, Robotics Institute, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China.3 School of Electronics, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China.1 Soft Robotics and Biodesign Lab, Robotics Institute, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China.3 School of Electronics, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China.4 State Key Lab for Strength and Vibration of Mechanical Structures, Department of Engineering Mechanics, Xi'an Jiaotong University, Xi'an, China.3 School of Electronics, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

30848994

Citation

Gu, Guoying, et al. "Integrated Soft Ionotronic Skin With Stretchable and Transparent Hydrogel-Elastomer Ionic Sensors for Hand-Motion Monitoring." Soft Robotics, vol. 6, no. 3, 2019, pp. 368-376.
Gu G, Xu H, Peng S, et al. Integrated Soft Ionotronic Skin with Stretchable and Transparent Hydrogel-Elastomer Ionic Sensors for Hand-Motion Monitoring. Soft Robot. 2019;6(3):368-376.
Gu, G., Xu, H., Peng, S., Li, L., Chen, S., Lu, T., & Guo, X. (2019). Integrated Soft Ionotronic Skin with Stretchable and Transparent Hydrogel-Elastomer Ionic Sensors for Hand-Motion Monitoring. Soft Robotics, 6(3), 368-376. https://doi.org/10.1089/soro.2018.0116
Gu G, et al. Integrated Soft Ionotronic Skin With Stretchable and Transparent Hydrogel-Elastomer Ionic Sensors for Hand-Motion Monitoring. Soft Robot. 2019;6(3):368-376. PubMed PMID: 30848994.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Integrated Soft Ionotronic Skin with Stretchable and Transparent Hydrogel-Elastomer Ionic Sensors for Hand-Motion Monitoring. AU - Gu,Guoying, AU - Xu,Haipeng, AU - Peng,Sai, AU - Li,Ling, AU - Chen,Sujie, AU - Lu,Tongqing, AU - Guo,Xiaojun, Y1 - 2019/03/08/ PY - 2019/3/9/pubmed PY - 2020/4/14/medline PY - 2019/3/9/entrez KW - hand-motion monitoring KW - hydrogel–elastomer hybrid KW - ionic sensor KW - ionotronic skin KW - soft and stretchable sensor SP - 368 EP - 376 JF - Soft robotics JO - Soft Robot VL - 6 IS - 3 N2 - Skin-like stretchable sensors with the flexible and soft inorganic/organic electronics have many promising potentials in wearable devices, soft robotics, prosthetics, and health monitoring equipment. Hydrogels with ionic conduction, akin to the biological skin, provide an alternative for soft and stretchable sensor design. However, fully integrated and wearable sensing skin with ionically conductive hydrogel for hand-motion monitoring has not been achieved. In this article, we report a wearable soft ionotronic skin (iSkin) system integrating multichannel stretchable and transparent hydrogel-elastomer hybrid ionic sensors and a wireless electronic control module. The ionic sensor is of resistive type and fabricated by curing ionic hydrogel precursor on a benzophenone-treated preshaped elastomer to form a hydrogel-elastomer hybrid structure. The hydrogel-elastomer hybrid iSkin is highly stretchable (∼300% strain), transparent (∼95% transmittance in the visible light range), and lightweight (<22 g). Experiments demonstrate that the fully integrated iSkin system can conformably attach onto the dexterous hands for recognizing the joint proprioception and hand gesture, and understanding the sign language. Our iSkin system would also provide a test bed for customized material selection and construction in a variety of applications. SN - 2169-5180 UR - https://www.unboundmedicine.com/medline/citation/30848994/Integrated_Soft_Ionotronic_Skin_with_Stretchable_and_Transparent_Hydrogel_Elastomer_Ionic_Sensors_for_Hand_Motion_Monitoring_ L2 - https://www.liebertpub.com/doi/full/10.1089/soro.2018.0116?url_ver=Z39.88-2003&amp;rfr_id=ori:rid:crossref.org&amp;rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -