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Scientific and commercial advances have set high requirements for wearable electronics. However, the power supply, breathability, and mass production of wearable electronics still have many challenges that need to be overcome. In this study, a self-powered nanofiber-based triboelectric sensor (SNTS) was fabricated by batch-scale fabrication technologies using electrospinning and screen-printing for health monitoring via respiratory monitoring. Typically, an arch structural SNTS is assembled by a nanofiber membrane and a Ag nanoparticle electrode. The pile of nanofibers and the conductive network of Ag nanoparticles ensure a gas channel across the whole device. The gas permeability of the SNTS was as high as 6.16 mm/s, which has overwhelming advantages when compared with commonly used wearable devices composed of air-tight cast films. Due to the softness of the nanofiber membrane, the SNTS showed excellent electronic output performance irrespective of whether it was bent, twisted, or folded. The superior properties, such as breathability, skin-friendliness, self-power, and batch fabrication of SNTS offer huge potential for their application in healthcare monitoring and multifunctional intelligent systems.


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Self-powered nanofiber-based screen-print triboelectric sensors for respiratory monitoring

Show Author's information Ran Cao1,§Jiaona Wang2,§Shuyu Zhao1,§Wei Yang1Zuqing Yuan1Yingying Yin1Xinyu Du1Nian-Wu Li1Xiuling Zhang1Xiuyan Li2Zhong Lin Wang1,3Congju Li1( )
Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesNational Center for Nanoscience and Technology (NCNST)Beijing100083China
School of Materials Science & EngineeringBeijing Institute of Fashion TechnologyBeijing100029China
School of Material Science and EngineeringGeorgia Institute of TechnologyAtlanta, Georgia, 30332-0245USA

§ Ran Cao, Jiaona Wang, and Shuyu Zhao contributed equally to this work.

Abstract

Scientific and commercial advances have set high requirements for wearable electronics. However, the power supply, breathability, and mass production of wearable electronics still have many challenges that need to be overcome. In this study, a self-powered nanofiber-based triboelectric sensor (SNTS) was fabricated by batch-scale fabrication technologies using electrospinning and screen-printing for health monitoring via respiratory monitoring. Typically, an arch structural SNTS is assembled by a nanofiber membrane and a Ag nanoparticle electrode. The pile of nanofibers and the conductive network of Ag nanoparticles ensure a gas channel across the whole device. The gas permeability of the SNTS was as high as 6.16 mm/s, which has overwhelming advantages when compared with commonly used wearable devices composed of air-tight cast films. Due to the softness of the nanofiber membrane, the SNTS showed excellent electronic output performance irrespective of whether it was bent, twisted, or folded. The superior properties, such as breathability, skin-friendliness, self-power, and batch fabrication of SNTS offer huge potential for their application in healthcare monitoring and multifunctional intelligent systems.

Keywords: health monitoring, self-powered, nanofiber membrane, air-permissive, triboelectric sensor, screen-print

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Acknowledgements

Publication history

Received: 03 November 2017
Revised: 03 December 2017
Accepted: 04 December 2017
Published: 02 August 2018
Issue date: July 2018

Copyright

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2017

Acknowledgements

Acknowledgements

The authors are thankful for support from the National Key R & D Project from Ministry of Science and Technology (Nos. 2016YFA0202702, 2016YFA0202703, and 2016YFA0202704), National Natural Science Foundation of China (Nos. 21703010, 21274006, and 51503005), and the Programs for Beijing Science and Technology Leading Talent (No. Z16111000490000).

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