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Issue 2, 2019
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Motion recognition by a liquid filled tubular triboelectric nanogenerator

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The development of flexible electronics has extended the limit of the intelligent devices, which are highly sensitive, soft and capable of sustaining arbitrary deformation. Here, we report a liquid-polymer tubular triboelectric nanogenerator (L-P TENG) that is filled with liquid for a shape-adaptive sensor in various working modes. The L-P TENG is based on liquid–solid contact electrification with the use of displacement current and excited by the shape change of the tubular structure. The high softness of the device makes it possible to be twisted to any curve and bear extreme strain. It can be used to detect a slight difference in pressure from touch, pressing and stretching and is suitable for a wide-range force recognition with high sensitivity. The independent and multifunctional properties of the L-P TENG extend the potential applications through combinations. Such assembled units with crossings can sense the approaching object. This study provides a new direction for flexible electromechanical sensing and has potential applications in self-powered sensors, wearable electronics, smart human–machine interaction and auxiliary motion correction.

Graphical abstract: Motion recognition by a liquid filled tubular triboelectric nanogenerator

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Publication details

The article was received on 17 Oct 2018, accepted on 27 Nov 2018 and first published on 30 Nov 2018

Article type: Paper
DOI: 10.1039/C8NR08406H
Citation: Nanoscale, 2019,11, 495-503

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    Motion recognition by a liquid filled tubular triboelectric nanogenerator

    Z. Yuan, X. Du, H. Niu, N. Li, G. Shen, C. Li and Z. L. Wang, Nanoscale, 2019, 11, 495
    DOI: 10.1039/C8NR08406H

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