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Versatile self-assembled electrospun micropyramid arrays for high-performance on-skin devices with minimal sensory interference

Author

Listed:
  • Jia-Han Zhang

    (Nanjing University)

  • Zhengtong Li

    (Hohai University)

  • Juan Xu

    (Shanxi Provincial People’s Hospital)

  • Jiean Li

    (Nanjing University)

  • Ke Yan

    (Nanjing University)

  • Wen Cheng

    (Nanjing University)

  • Ming Xin

    (Nanjing University)

  • Tangsong Zhu

    (Nanjing University)

  • Jinhua Du

    (Inner Mongolia University of Science and Technology
    Inner Mongolia University of Science and Technology)

  • Sixuan Chen

    (Nanjing University)

  • Xiaoming An

    (Nanjing University)

  • Zhou Zhou

    (Nanjing University)

  • Luyao Cheng

    (Nanjing University)

  • Shu Ying

    (Nanjing University)

  • Jing Zhang

    (Nanjing University)

  • Xingxun Gao

    (Nanjing University)

  • Qiuhong Zhang

    (Nanjing University)

  • Xudong Jia

    (Nanjing University)

  • Yi Shi

    (Nanjing University)

  • Lijia Pan

    (Nanjing University)

Abstract

On-skin devices that show both high performance and imperceptibility are desired for physiological information detection, individual protection, and bioenergy conversion with minimal sensory interference. Herein, versatile electrospun micropyramid arrays (EMPAs) combined with ultrathin, ultralight, gas-permeable structures are developed through a self-assembly technology based on wet heterostructured electrified jets to endow various on-skin devices with both superior performance and imperceptibility. The designable self-assembly allows structural and material optimization of EMPAs for on-skin devices applied in daytime radiative cooling, pressure sensing, and bioenergy harvesting. A temperature drop of ~4 °C is obtained via an EMPA-based radiative cooling fabric under a solar intensity of 1 kW m–2. Moreover, detection of an ultraweak fingertip pulse for health diagnosis during monitoring of natural finger manipulation over a wide frequency range is realized by an EMPA piezocapacitive-triboelectric hybrid sensor, which has high sensitivity (19 kPa−1), ultralow detection limit (0.05 Pa), and ultrafast response (≤0.8 ms). Additionally, EMPA nanogenerators with high triboelectric and piezoelectric outputs achieve reliable biomechanical energy harvesting. The flexible self-assembly of EMPAs exhibits immense potential in superb individual healthcare and excellent human-machine interaction in an interference-free and comfortable manner.

Suggested Citation

  • Jia-Han Zhang & Zhengtong Li & Juan Xu & Jiean Li & Ke Yan & Wen Cheng & Ming Xin & Tangsong Zhu & Jinhua Du & Sixuan Chen & Xiaoming An & Zhou Zhou & Luyao Cheng & Shu Ying & Jing Zhang & Xingxun Gao, 2022. "Versatile self-assembled electrospun micropyramid arrays for high-performance on-skin devices with minimal sensory interference," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-33454-y
    DOI: 10.1038/s41467-022-33454-y
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    References listed on IDEAS

    as
    1. Lijia Pan & Alex Chortos & Guihua Yu & Yaqun Wang & Scott Isaacson & Ranulfo Allen & Yi Shi & Reinhold Dauskardt & Zhenan Bao, 2014. "An ultra-sensitive resistive pressure sensor based on hollow-sphere microstructure induced elasticity in conducting polymer film," Nature Communications, Nature, vol. 5(1), pages 1-8, May.
    2. Martin Kaltenbrunner & Tsuyoshi Sekitani & Jonathan Reeder & Tomoyuki Yokota & Kazunori Kuribara & Takeyoshi Tokuhara & Michael Drack & Reinhard Schwödiauer & Ingrid Graz & Simona Bauer-Gogonea & Sieg, 2013. "An ultra-lightweight design for imperceptible plastic electronics," Nature, Nature, vol. 499(7459), pages 458-463, July.
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