Wearable Circuits Sintered at Room Temperature Directly on the Skin Surface for Health Monitoring

Ling Zhang; Hongjun Ji; Houbing Huang; Ning Yi; Xiaoming Shi; Senpei Xie; Yaoyin Li; Ziheng Ye; Pengdong Feng; Tiesong Lin; Xiangli Liu; Xuesong Leng; Mingyu Li; Jiaheng Zhang; Xing Ma; Peng He; Weiwei Zhao; Huanyu Cheng

doi:10.1021/acsami.0c11479

Wearable Circuits Sintered at Room Temperature Directly on the Skin Surface for Health Monitoring

Ling Zhang, Hongjun Ji, Houbing Huang, Ning Yi, Xiaoming Shi, Senpei Xie, Yaoyin Li, Ziheng Ye, Pengdong Feng, Tiesong Lin, Xiangli Liu, Xuesong Leng, Mingyu Li, Jiaheng Zhang, Xing Ma, Peng He, Weiwei Zhao, Huanyu Cheng

Research output: Contribution to journal › Article › peer-review

71 Scopus citations

Abstract

A soft body area sensor network presents a promising direction in wearable devices to integrate on-body sensors for physiological signal monitoring and flexible printed circuit boards (FPCBs) for signal conditioning/readout and wireless transmission. However, its realization currently relies on various sophisticated fabrication approaches such as lithography or direct printing on a carrier substrate before attaching to the body. Here, we report a universal fabrication scheme to enable printing and room-temperature sintering of the metal nanoparticle on paper/fabric for FPCBs and directly on the human skin for on-body sensors with a novel sintering aid layer. Consisting of polyvinyl alcohol (PVA) paste and nanoadditives in the water, the sintering aid layer reduces the sintering temperature. Together with the significantly decreased surface roughness, it allows for the integration of a submicron-thick conductive pattern with enhanced electromechanical performance. Various on-body sensors integrated with an FPCB to detect health conditions illustrate a system-level example.

Original language	English (US)
Pages (from-to)	45504-45515
Number of pages	12
Journal	ACS Applied Materials and Interfaces
Volume	12
Issue number	40
DOIs	https://doi.org/10.1021/acsami.0c11479
State	Published - Oct 7 2020

All Science Journal Classification (ASJC) codes

General Materials Science

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Zhang, L., Ji, H., Huang, H., Yi, N., Shi, X., Xie, S., Li, Y., Ye, Z., Feng, P., Lin, T., Liu, X., Leng, X., Li, M., Zhang, J., Ma, X., He, P., Zhao, W., & Cheng, H. (2020). Wearable Circuits Sintered at Room Temperature Directly on the Skin Surface for Health Monitoring. ACS Applied Materials and Interfaces, 12(40), 45504-45515. https://doi.org/10.1021/acsami.0c11479

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abstract = "A soft body area sensor network presents a promising direction in wearable devices to integrate on-body sensors for physiological signal monitoring and flexible printed circuit boards (FPCBs) for signal conditioning/readout and wireless transmission. However, its realization currently relies on various sophisticated fabrication approaches such as lithography or direct printing on a carrier substrate before attaching to the body. Here, we report a universal fabrication scheme to enable printing and room-temperature sintering of the metal nanoparticle on paper/fabric for FPCBs and directly on the human skin for on-body sensors with a novel sintering aid layer. Consisting of polyvinyl alcohol (PVA) paste and nanoadditives in the water, the sintering aid layer reduces the sintering temperature. Together with the significantly decreased surface roughness, it allows for the integration of a submicron-thick conductive pattern with enhanced electromechanical performance. Various on-body sensors integrated with an FPCB to detect health conditions illustrate a system-level example.",

author = "Ling Zhang and Hongjun Ji and Houbing Huang and Ning Yi and Xiaoming Shi and Senpei Xie and Yaoyin Li and Ziheng Ye and Pengdong Feng and Tiesong Lin and Xiangli Liu and Xuesong Leng and Mingyu Li and Jiaheng Zhang and Xing Ma and Peng He and Weiwei Zhao and Huanyu Cheng",

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AU - Xie, Senpei

AU - Li, Yaoyin

AU - Ye, Ziheng

AU - Feng, Pengdong

AU - Lin, Tiesong

AU - Liu, Xiangli

AU - Leng, Xuesong

AU - Li, Mingyu

AU - Zhang, Jiaheng

AU - Ma, Xing

AU - He, Peng

AU - Zhao, Weiwei

AU - Cheng, Huanyu

PY - 2020/10/7

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Wearable Circuits Sintered at Room Temperature Directly on the Skin Surface for Health Monitoring

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