Robust, self-adhesive, reinforced polymeric nanofilms enabling gas-permeable dry electrodes for long-term application

Yan Wang; Sunghoon Lee; Haoyang Wang; Zhi Jiang; Yasutoshi Jimbo; Chunya Wang; Binghao Wang; Jae Joon Kim; Mari Koizumi; Tomoyuki Yokota; Takao Someya

doi:10.1073/pnas.2111904118

Robust, self-adhesive, reinforced polymeric nanofilms enabling gas-permeable dry electrodes for long-term application

Yan Wang, Sunghoon Lee, Haoyang Wang, Zhi Jiang, Yasutoshi Jimbo, Chunya Wang, Binghao Wang, Jae Joon Kim, Mari Koizumi, Tomoyuki Yokota, Takao Someya^*

^*Corresponding author for this work

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

61 Scopus citations

Abstract

Robust polymeric nanofilms can be used to construct gas-permeable soft electronics that can directly adhere to soft biological tissue for continuous, long-term biosignal monitoring. However, it is challenging to fabricate gas-permeable dry electrodes that can self-adhere to the human skin and retain their functionality for long-term (>1 d) health monitoring. We have succeeded in developing an extraordinarily robust, self-adhesive, gas-permeable nanofilm with a thickness of only 95 nm. It exhibits an extremely high skin adhesion energy per unit area of 159 μJ/cm². The nanofilm can self-adhere to the human skin by van der Waals forces alone, for 1 wk, without any adhesive materials or tapes. The nanofilm is ultradurable, and it can support liquids that are 79,000 times heavier than its own weight with a tensile stress of 7.82 MPa. The advantageous features of its thinness, self-adhesiveness, and robustness enable a gas-permeable dry electrode comprising of a nanofilm and an Au layer, resulting in a continuous monitoring of electrocardiogram signals with a high signal-to-noise ratio (34 dB) for 1 wk.

Original language	English
Article number	e2111904118
Journal	Proceedings of the National Academy of Sciences of the United States of America
Volume	118
Issue number	38
DOIs	https://doi.org/10.1073/pnas.2111904118
State	Published - 21 Sep 2021
Externally published	Yes

Keywords

Adhesive nanofilms
Dry electrodes
Gas-permeable sensors
Long-term health monitoring

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1073/pnas.2111904118

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Wang, Y., Lee, S., Wang, H., Jiang, Z., Jimbo, Y., Wang, C., Wang, B., Kim, J. J., Koizumi, M., Yokota, T., & Someya, T. (2021). Robust, self-adhesive, reinforced polymeric nanofilms enabling gas-permeable dry electrodes for long-term application. Proceedings of the National Academy of Sciences of the United States of America, 118(38), Article e2111904118. https://doi.org/10.1073/pnas.2111904118

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title = "Robust, self-adhesive, reinforced polymeric nanofilms enabling gas-permeable dry electrodes for long-term application",

abstract = "Robust polymeric nanofilms can be used to construct gas-permeable soft electronics that can directly adhere to soft biological tissue for continuous, long-term biosignal monitoring. However, it is challenging to fabricate gas-permeable dry electrodes that can self-adhere to the human skin and retain their functionality for long-term (>1 d) health monitoring. We have succeeded in developing an extraordinarily robust, self-adhesive, gas-permeable nanofilm with a thickness of only 95 nm. It exhibits an extremely high skin adhesion energy per unit area of 159 μJ/cm2. The nanofilm can self-adhere to the human skin by van der Waals forces alone, for 1 wk, without any adhesive materials or tapes. The nanofilm is ultradurable, and it can support liquids that are 79,000 times heavier than its own weight with a tensile stress of 7.82 MPa. The advantageous features of its thinness, self-adhesiveness, and robustness enable a gas-permeable dry electrode comprising of a nanofilm and an Au layer, resulting in a continuous monitoring of electrocardiogram signals with a high signal-to-noise ratio (34 dB) for 1 wk.",

keywords = "Adhesive nanofilms, Dry electrodes, Gas-permeable sensors, Long-term health monitoring",

author = "Yan Wang and Sunghoon Lee and Haoyang Wang and Zhi Jiang and Yasutoshi Jimbo and Chunya Wang and Binghao Wang and Kim, {Jae Joon} and Mari Koizumi and Tomoyuki Yokota and Takao Someya",

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doi = "10.1073/pnas.2111904118",

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Wang, Y, Lee, S, Wang, H, Jiang, Z, Jimbo, Y, Wang, C, Wang, B, Kim, JJ, Koizumi, M, Yokota, T & Someya, T 2021, 'Robust, self-adhesive, reinforced polymeric nanofilms enabling gas-permeable dry electrodes for long-term application', Proceedings of the National Academy of Sciences of the United States of America, vol. 118, no. 38, e2111904118. https://doi.org/10.1073/pnas.2111904118

TY - JOUR

T1 - Robust, self-adhesive, reinforced polymeric nanofilms enabling gas-permeable dry electrodes for long-term application

AU - Wang, Yan

AU - Lee, Sunghoon

AU - Wang, Haoyang

AU - Jiang, Zhi

AU - Jimbo, Yasutoshi

AU - Wang, Chunya

AU - Wang, Binghao

AU - Kim, Jae Joon

AU - Koizumi, Mari

AU - Yokota, Tomoyuki

AU - Someya, Takao

PY - 2021/9/21

Y1 - 2021/9/21

N2 - Robust polymeric nanofilms can be used to construct gas-permeable soft electronics that can directly adhere to soft biological tissue for continuous, long-term biosignal monitoring. However, it is challenging to fabricate gas-permeable dry electrodes that can self-adhere to the human skin and retain their functionality for long-term (>1 d) health monitoring. We have succeeded in developing an extraordinarily robust, self-adhesive, gas-permeable nanofilm with a thickness of only 95 nm. It exhibits an extremely high skin adhesion energy per unit area of 159 μJ/cm2. The nanofilm can self-adhere to the human skin by van der Waals forces alone, for 1 wk, without any adhesive materials or tapes. The nanofilm is ultradurable, and it can support liquids that are 79,000 times heavier than its own weight with a tensile stress of 7.82 MPa. The advantageous features of its thinness, self-adhesiveness, and robustness enable a gas-permeable dry electrode comprising of a nanofilm and an Au layer, resulting in a continuous monitoring of electrocardiogram signals with a high signal-to-noise ratio (34 dB) for 1 wk.

AB - Robust polymeric nanofilms can be used to construct gas-permeable soft electronics that can directly adhere to soft biological tissue for continuous, long-term biosignal monitoring. However, it is challenging to fabricate gas-permeable dry electrodes that can self-adhere to the human skin and retain their functionality for long-term (>1 d) health monitoring. We have succeeded in developing an extraordinarily robust, self-adhesive, gas-permeable nanofilm with a thickness of only 95 nm. It exhibits an extremely high skin adhesion energy per unit area of 159 μJ/cm2. The nanofilm can self-adhere to the human skin by van der Waals forces alone, for 1 wk, without any adhesive materials or tapes. The nanofilm is ultradurable, and it can support liquids that are 79,000 times heavier than its own weight with a tensile stress of 7.82 MPa. The advantageous features of its thinness, self-adhesiveness, and robustness enable a gas-permeable dry electrode comprising of a nanofilm and an Au layer, resulting in a continuous monitoring of electrocardiogram signals with a high signal-to-noise ratio (34 dB) for 1 wk.

KW - Adhesive nanofilms

KW - Dry electrodes

KW - Gas-permeable sensors

KW - Long-term health monitoring

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DO - 10.1073/pnas.2111904118

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SN - 0027-8424

VL - 118

JO - Proceedings of the National Academy of Sciences of the United States of America

JF - Proceedings of the National Academy of Sciences of the United States of America

IS - 38

M1 - e2111904118

ER -

Robust, self-adhesive, reinforced polymeric nanofilms enabling gas-permeable dry electrodes for long-term application

Abstract

Keywords

UN SDGs

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