All-polymer piezo-ionic-electric electronics

IF 15.7 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES Nature Communications Pub Date : 2024-12-30 DOI:10.1038/s41467-024-55177-y

Tianpei Xu, Long Jin, Yong Ao, Jieling Zhang, Yue Sun, Shenglong Wang, Yuanxiao Qu, Longchao Huang, Tao Yang, Weili Deng, Weiqing Yang

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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.

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全聚合物压电离子电子学

压电电子在柔性传感和能量收集方面具有巨大的应用潜力。然而，在全有机压电系统中，由于界面的无序和弱极化，它们的机电性能很低。在这里，我们展示了具有PVDF/Nafion/PVDF（聚偏二氟乙烯）夹层结构和正则化离子电子界面的全聚合物压电离子电子器件。基于这种离子-电子界面，压电效应和压电离子效应相互耦合，赋予该电子器件独特的压电-离子-电工作机制。此外，由于离子和电子电荷的大量界面积累，电子器件获得了显着的力电耦合增强。实验表明，该器件的d33高达80.70 pC N−1，压力灵敏度为51.50 mV kPa−1，最大峰值功率为34.66 mW m−2。它适用于发光led的换能器，以及检测微弱生理信号或机械振动的传感器。这项工作表明，压电离子电子器件是高度优化的全聚合物压电发生器的典范。

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来源期刊

Nature Communications Biological Science Disciplines-

CiteScore

24.90

自引率

2.40%

发文量

6928

审稿时长

3.7 months

期刊介绍： Nature Communications, an open-access journal, publishes high-quality research spanning all areas of the natural sciences. Papers featured in the journal showcase significant advances relevant to specialists in each respective field. With a 2-year impact factor of 16.6 (2022) and a median time of 8 days from submission to the first editorial decision, Nature Communications is committed to rapid dissemination of research findings. As a multidisciplinary journal, it welcomes contributions from biological, health, physical, chemical, Earth, social, mathematical, applied, and engineering sciences, aiming to highlight important breakthroughs within each domain.