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Rapid meniscus-guided printing of stable semi-solid-state liquid metal microgranular-particle for soft electronics

Author

Listed:
  • Gun-Hee Lee

    (Korea Advanced Institute of Science and Technology (KAIST)
    Korea Advanced Institute of Science and Technology (KAIST))

  • Ye Rim Lee

    (Korea Advanced Institute of Science and Technology (KAIST))

  • Hanul Kim

    (Korea Advanced Institute of Science and Technology (KAIST))

  • Do A Kwon

    (Korea Advanced Institute of Science and Technology (KAIST))

  • Hyeonji Kim

    (Korea Advanced Institute of Science and Technology (KAIST))

  • Congqi Yang

    (Korea Advanced Institute of Science and Technology (KAIST))

  • Siyoung Q. Choi

    (Korea Advanced Institute of Science and Technology (KAIST)
    KAIST Institute for the NanoCentury, Korea Advanced Institute of Science and Technology (KAIST))

  • Seongjun Park

    (Korea Advanced Institute of Science and Technology (KAIST)
    KAIST Institute for Health Science and Technology)

  • Jae-Woong Jeong

    (Korea Advanced Institute of Science and Technology (KAIST)
    KAIST Institute for Health Science and Technology)

  • Steve Park

    (Korea Advanced Institute of Science and Technology (KAIST)
    KAIST Institute for Health Science and Technology)

Abstract

Liquid metal is being regarded as a promising material for soft electronics owing to its distinct combination of high electrical conductivity comparable to that of metals and exceptional deformability derived from its liquid state. However, the applicability of liquid metal is still limited due to the difficulty in simultaneously achieving its mechanical stability and initial conductivity. Furthermore, reliable and rapid patterning of stable liquid metal directly on various soft substrates at high-resolution remains a formidable challenge. In this work, meniscus-guided printing of ink containing polyelectrolyte-attached liquid metal microgranular-particle in an aqueous solvent to generate semi-solid-state liquid metal is presented. Liquid metal microgranular-particle printed in the evaporative regime is mechanically stable, initially conductive, and patternable down to 50 μm on various substrates. Demonstrations of the ultrastretchable (~500% strain) electrical circuit, customized e-skin, and zero-waste ECG sensor validate the simplicity, versatility, and reliability of this manufacturing strategy, enabling broad utility in the development of advanced soft electronics.

Suggested Citation

  • Gun-Hee Lee & Ye Rim Lee & Hanul Kim & Do A Kwon & Hyeonji Kim & Congqi Yang & Siyoung Q. Choi & Seongjun Park & Jae-Woong Jeong & Steve Park, 2022. "Rapid meniscus-guided printing of stable semi-solid-state liquid metal microgranular-particle for soft electronics," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-30427-z
    DOI: 10.1038/s41467-022-30427-z
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    References listed on IDEAS

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    1. Guolin Yun & Shi-Yang Tang & Shuaishuai Sun & Dan Yuan & Qianbin Zhao & Lei Deng & Sheng Yan & Haiping Du & Michael D. Dickey & Weihua Li, 2019. "Liquid metal-filled magnetorheological elastomer with positive piezoconductivity," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
    2. Hyunwoo Yuk & Baoyang Lu & Shen Lin & Kai Qu & Jingkun Xu & Jianhong Luo & Xuanhe Zhao, 2020. "3D printing of conducting polymers," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    3. Xiaodan Gu & Leo Shaw & Kevin Gu & Michael F. Toney & Zhenan Bao, 2018. "The meniscus-guided deposition of semiconducting polymers," Nature Communications, Nature, vol. 9(1), pages 1-16, December.
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    Cited by:

    1. 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.
    2. Liqing Ai & Weikang Lin & Chunyan Cao & Pengyu Li & Xuejiao Wang & Dong Lv & Xin Li & Zhengbao Yang & Xi Yao, 2023. "Tough soldering for stretchable electronics by small-molecule modulated interfacial assemblies," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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