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A wearable and highly sensitive pressure sensor with ultrathin gold nanowires

Author

Listed:
  • Shu Gong

    (Monash University
    The Melbourne Centre for Nanofabrication, 151 Wellington Road)

  • Willem Schwalb

    (Mechanical and Aerospace Engineering, Faculty of Engineering, Monash University)

  • Yongwei Wang

    (Monash University
    The Melbourne Centre for Nanofabrication, 151 Wellington Road)

  • Yi Chen

    (Monash University)

  • Yue Tang

    (Monash University
    The Melbourne Centre for Nanofabrication, 151 Wellington Road)

  • Jye Si

    (Monash University)

  • Bijan Shirinzadeh

    (Mechanical and Aerospace Engineering, Faculty of Engineering, Monash University)

  • Wenlong Cheng

    (Monash University
    The Melbourne Centre for Nanofabrication, 151 Wellington Road)

Abstract

Ultrathin gold nanowires are mechanically flexible yet robust, which are novel building blocks with potential applications in future wearable optoelectronic devices. Here we report an efficient, low-cost fabrication strategy to construct a highly sensitive, flexible pressure sensor by sandwiching ultrathin gold nanowire-impregnated tissue paper between two thin polydimethylsiloxane sheets. The entire device fabrication process is scalable, enabling facile large-area integration and patterning for mapping spatial pressure distribution. Our gold nanowires-based pressure sensors can be operated at a battery voltage of 1.5 V with low energy consumption ( 1.14 kPa−1) and high stability (>50,000 loading–unloading cycles). In addition, our sensor can resolve pressing, bending, torsional forces and acoustic vibrations. The superior sensing properties in conjunction with mechanical flexibility and robustness enabled real-time monitoring of blood pulses as well as detection of small vibration forces from music.

Suggested Citation

  • Shu Gong & Willem Schwalb & Yongwei Wang & Yi Chen & Yue Tang & Jye Si & Bijan Shirinzadeh & Wenlong Cheng, 2014. "A wearable and highly sensitive pressure sensor with ultrathin gold nanowires," Nature Communications, Nature, vol. 5(1), pages 1-8, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4132
    DOI: 10.1038/ncomms4132
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    Cited by:

    1. Xinlei Shi & Xiangqian Fan & Yinbo Zhu & Yang Liu & Peiqi Wu & Renhui Jiang & Bao Wu & Heng-An Wu & He Zheng & Jianbo Wang & Xinyi Ji & Yongsheng Chen & Jiajie Liang, 2022. "Pushing detectability and sensitivity for subtle force to new limits with shrinkable nanochannel structured aerogel," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Shuyun Zhuo & Cheng Song & Qinfeng Rong & Tianyi Zhao & Mingjie Liu, 2022. "Shape and stiffness memory ionogels with programmable pressure-resistance response," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. Fabrizio Antonio Viola & Jonathan Barsotti & Filippo Melloni & Guglielmo Lanzani & Yun-Hi Kim & Virgilio Mattoli & Mario Caironi, 2021. "A sub-150-nanometre-thick and ultraconformable solution-processed all-organic transistor," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    4. Yuchen Qiu & Bo Zhang & Junchuan Yang & Hanfei Gao & Shuang Li & Le Wang & Penghua Wu & Yewang Su & Yan Zhao & Jiangang Feng & Lei Jiang & Yuchen Wu, 2021. "Wafer-scale integration of stretchable semiconducting polymer microstructures via capillary gradient," Nature Communications, Nature, vol. 12(1), pages 1-9, December.

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