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Highly stable flexible pressure sensors with a quasi-homogeneous composition and interlinked interfaces

Author

Listed:
  • Yuan Zhang

    (Southern University of Science and Technology)

  • Junlong Yang

    (Sichuan University)

  • Xingyu Hou

    (Southern University of Science and Technology)

  • Gang Li

    (Southern University of Science and Technology)

  • Liu Wang

    (Southern University of Science and Technology)

  • Ningning Bai

    (Southern University of Science and Technology)

  • Minkun Cai

    (Southern University of Science and Technology)

  • Lingyu Zhao

    (Southern University of Science and Technology)

  • Yan Wang

    (Southern University of Science and Technology)

  • Jianming Zhang

    (Southern University of Science and Technology)

  • Ke Chen

    (Tencent Robotics X)

  • Xiang Wu

    (Shenyang University of Technology)

  • Canhui Yang

    (Southern University of Science and Technology)

  • Yuan Dai

    (Tencent Robotics X)

  • Zhengyou Zhang

    (Tencent Robotics X)

  • Chuan Fei Guo

    (Southern University of Science and Technology
    Southern University of Science and Technology)

Abstract

Electronic skins (e-skins) are devices that can respond to mechanical stimuli and enable robots to perceive their surroundings. A great challenge for existing e-skins is that they may easily fail under extreme mechanical conditions due to their multilayered architecture with mechanical mismatch and weak adhesion between the interlayers. Here we report a flexible pressure sensor with tough interfaces enabled by two strategies: quasi-homogeneous composition that ensures mechanical match of interlayers, and interlinked microconed interface that results in a high interfacial toughness of 390 J·m−2. The tough interface endows the sensor with exceptional signal stability determined by performing 100,000 cycles of rubbing, and fixing the sensor on a car tread and driving 2.6 km on an asphalt road. The topological interlinks can be further extended to soft robot-sensor integration, enabling a seamless interface between the sensor and robot for highly stable sensing performance during manipulation tasks under complicated mechanical conditions.

Suggested Citation

  • Yuan Zhang & Junlong Yang & Xingyu Hou & Gang Li & Liu Wang & Ningning Bai & Minkun Cai & Lingyu Zhao & Yan Wang & Jianming Zhang & Ke Chen & Xiang Wu & Canhui Yang & Yuan Dai & Zhengyou Zhang & Chuan, 2022. "Highly stable flexible pressure sensors with a quasi-homogeneous composition and interlinked interfaces," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-29093-y
    DOI: 10.1038/s41467-022-29093-y
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    References listed on IDEAS

    as
    1. Ningning Bai & Liu Wang & Qi Wang & Jue Deng & Yan Wang & Peng Lu & Jun Huang & Gang Li & Yuan Zhang & Junlong Yang & Kewei Xie & Xuanhe Zhao & Chuan Fei Guo, 2020. "Graded intrafillable architecture-based iontronic pressure sensor with ultra-broad-range high sensitivity," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    2. Oluwaseun A. Araromi & Moritz A. Graule & Kristen L. Dorsey & Sam Castellanos & Jonathan R. Foster & Wen-Hao Hsu & Arthur E. Passy & Joost J. Vlassak & James C. Weaver & Conor J. Walsh & Robert J. Woo, 2020. "Ultra-sensitive and resilient compliant strain gauges for soft machines," Nature, Nature, vol. 587(7833), pages 219-224, November.
    3. Gregor Schwartz & Benjamin C.-K. Tee & Jianguo Mei & Anthony L. Appleton & Do Hwan Kim & Huiliang Wang & Zhenan Bao, 2013. "Flexible polymer transistors with high pressure sensitivity for application in electronic skin and health monitoring," Nature Communications, Nature, vol. 4(1), pages 1-8, October.
    4. Vipin Amoli & Joo Sung Kim & Eunsong Jee & Yoon Sun Chung & So Young Kim & Jehyoung Koo & Hanbin Choi & Yunah Kim & Do Hwan Kim, 2019. "A bioinspired hydrogen bond-triggered ultrasensitive ionic mechanoreceptor skin," Nature Communications, Nature, vol. 10(1), pages 1-13, December.
    5. Chuan Fei Guo & Tianyi Sun & Qihan Liu & Zhigang Suo & Zhifeng Ren, 2014. "Highly stretchable and transparent nanomesh electrodes made by grain boundary lithography," Nature Communications, Nature, vol. 5(1), pages 1-8, May.
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    Cited by:

    1. Ningning Bai & Yiheng Xue & Shuiqing Chen & Lin Shi & Junli Shi & Yuan Zhang & Xingyu Hou & Yu Cheng & Kaixi Huang & Weidong Wang & Jin Zhang & Yuan Liu & Chuan Fei Guo, 2023. "A robotic sensory system with high spatiotemporal resolution for texture recognition," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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