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Printable elastic conductors with a high conductivity for electronic textile applications

Author

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  • Naoji Matsuhisa

    (Electrical and Electronic Engineering and Information Systems, The University of Tokyo
    Advanced Leading Graduate Course for Photon Science (ALPS))

  • Martin Kaltenbrunner

    (Electrical and Electronic Engineering and Information Systems, The University of Tokyo
    Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST))

  • Tomoyuki Yokota

    (Electrical and Electronic Engineering and Information Systems, The University of Tokyo
    Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST))

  • Hiroaki Jinno

    (Electrical and Electronic Engineering and Information Systems, The University of Tokyo)

  • Kazunori Kuribara

    (Electrical and Electronic Engineering and Information Systems, The University of Tokyo
    Present address: National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan)

  • Tsuyoshi Sekitani

    (Electrical and Electronic Engineering and Information Systems, The University of Tokyo
    Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST)
    The Institute of Scientific and Industrial Research (ISIR), Osaka University)

  • Takao Someya

    (Electrical and Electronic Engineering and Information Systems, The University of Tokyo
    Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST))

Abstract

The development of advanced flexible large-area electronics such as flexible displays and sensors will thrive on engineered functional ink formulations for printed electronics where the spontaneous arrangement of molecules aids the printing processes. Here we report a printable elastic conductor with a high initial conductivity of 738 S cm−1 and a record high conductivity of 182 S cm−1 when stretched to 215% strain. The elastic conductor ink is comprised of Ag flakes, a fluorine rubber and a fluorine surfactant. The fluorine surfactant constitutes a key component which directs the formation of surface-localized conductive networks in the printed elastic conductor, leading to a high conductivity and stretchability. We demonstrate the feasibility of our inks by fabricating a stretchable organic transistor active matrix on a rubbery stretchability-gradient substrate with unimpaired functionality when stretched to 110%, and a wearable electromyogram sensor printed onto a textile garment.

Suggested Citation

  • Naoji Matsuhisa & Martin Kaltenbrunner & Tomoyuki Yokota & Hiroaki Jinno & Kazunori Kuribara & Tsuyoshi Sekitani & Takao Someya, 2015. "Printable elastic conductors with a high conductivity for electronic textile applications," Nature Communications, Nature, vol. 6(1), pages 1-11, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms8461
    DOI: 10.1038/ncomms8461
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    Cited by:

    1. Xiong Lin & Chen–Yu Li & Lu–Xuan Liang & Qing–Yun Guo & Yongzheng Zhang & Si–Rui Fu & Qin Zhang & Feng Chen & Di Han & Qiang Fu, 2024. "Organic–inorganic covalent–ionic network enabled all–in–one multifunctional coating for flexible displays," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    2. Gun-Hee Lee & Do Hoon Lee & Woojin Jeon & Jihwan Yoon & Kwangguk Ahn & Kum Seok Nam & Min Kim & Jun Kyu Kim & Yong Hoe Koo & Jinmyoung Joo & WooChul Jung & Jaehong Lee & Jaewook Nam & Seongjun Park & , 2023. "Conductance stable and mechanically durable bi-layer EGaIn composite-coated stretchable fiber for 1D bioelectronics," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    3. Osman Gul & Myoung Song & Chang-Yeon Gu & Jihyeon Ahn & Kichul Lee & Junseong Ahn & Hye Jin Kim & Taek-Soo Kim & Inkyu Park, 2025. "Bioinspired interfacial engineering for highly stretchable electronics," Nature Communications, Nature, vol. 16(1), pages 1-14, December.

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