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All-polymer piezo-ionic-electric electronics

Author

Listed:
  • Tianpei Xu

    (Southwest Jiaotong University)

  • Long Jin

    (Southwest Jiaotong University)

  • Yong Ao

    (Southwest Jiaotong University)

  • Jieling Zhang

    (Southwest Jiaotong University)

  • Yue Sun

    (Southwest Jiaotong University)

  • Shenglong Wang

    (Southwest Jiaotong University)

  • Yuanxiao Qu

    (Southwest Jiaotong University)

  • Longchao Huang

    (Southwest Jiaotong University)

  • Tao Yang

    (Southwest Jiaotong University)

  • Weili Deng

    (Southwest Jiaotong University)

  • Weiqing Yang

    (Southwest Jiaotong University
    Southwest Jiaotong University)

Abstract

Piezoelectric electronics possess great potential in flexible sensing and energy harvesting applications. However, they suffer from low electromechanical performance in all-organic piezoelectric systems due to the disordered and weakly-polarized interfaces. Here, we demonstrated an all-polymer piezo-ionic-electric electronics with PVDF/Nafion/PVDF (polyvinylidene difluoride) sandwich structure and regularized ion-electron interfaces. The piezoelectric effect and piezoionic effect mutually couple based on such ion-electron interfaces, endowing this electronics with the unique piezo-ionic-electric working mechanism. Further, owing to the massive interfacial accumulation of ion and electron charges, the electronics obtains a remarkable force-electric coupling enhancement. Experiments show that the electronics presents a high d33 of ~80.70 pC N−1, a pressure sensitivity of 51.50 mV kPa−1 and a maximum peak power of 34.66 mW m−2. It is applicable to be a transducer to light LEDs, and a sensor to detect weak physiological signals or mechanical vibration. This work shows the piezo-ionic-electric electronics as a paradigm of highly-optimized all-polymer piezo-generators.

Suggested Citation

  • Tianpei Xu & Long Jin & Yong Ao & Jieling Zhang & Yue Sun & Shenglong Wang & Yuanxiao Qu & Longchao Huang & Tao Yang & Weili Deng & Weiqing Yang, 2024. "All-polymer piezo-ionic-electric electronics," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-55177-y
    DOI: 10.1038/s41467-024-55177-y
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