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Wearable and visual pressure sensors based on Zn2GeO4@polypyrrole nanowire aerogels

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Abstract

Recently developed hybrid aerogels have attracted a great deal of attention due to their promising applications in artificial intelligence systems and wearable healthcare devices. However, the actual applications of these aerogels in such devices is still limited because most nanowire (NW) skeletons in hybrid aerogels are usually based on noble metals, which entail a series of limitations such as high cost and poor resistance to acids. Herein, pressure sensors with high sensitivity (0.38 kPa−1 in the pressure range below 1 kPa) were fabricated from Zn2GeO4@polypyrrole NW aerogels. In addition, a universal wet-chemistry method was developed to prepare Zn2GeO4@polypyrrole NW aerogels with remarkable electrical and mechanical properties, leading to the excellent performance of the pressure sensors. Moreover, the stability of the as-obtained pressure sensors was tested by performing thousands of cycles, concluding that the pressure sensor exhibits long-time efficiency on active utilization. All these advantages make the Zn2GeO4@polypyrrole NW aerogel-based pressure sensor an excellent candidate in many applications for flexible and wearable devices.

Graphical abstract: Wearable and visual pressure sensors based on Zn2GeO4@polypyrrole nanowire aerogels

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Publication details

The article was received on 11 Sep 2017, accepted on 04 Oct 2017 and first published on 04 Oct 2017


Article type: Paper
DOI: 10.1039/C7TC04147K
Citation: J. Mater. Chem. C, 2017, Advance Article
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    Wearable and visual pressure sensors based on Zn2GeO4@polypyrrole nanowire aerogels

    J. Xue, J. Chen, J. Song, L. Xu and H. Zeng, J. Mater. Chem. C, 2017, Advance Article , DOI: 10.1039/C7TC04147K

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