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Flexible hemispheric microarrays of highly pressure-sensitive sensors based on breath figure method

Abstract

Recently, flexible pressure sensors featuring high sensitivity, broad sensing range and real-time detection have aroused great attention owning to their crucial role in the development of artificial intelligent devices and healthcare system. Herein, highly sensitive pressure sensors based on the hemisphere-microarrayed flexible substrates are fabricated via inversely templating honeycombed structures deriving a facile and static breath figure process. The interlocked and subtle microstructures greatly improve the sensing characteristic and compressibility of the as-prepared pressure sensor, endowing it a sensitivity as high as 196kPa-1 and a wide pressure sensing range (0~100kPa), as well as other superior performance, including a low detection limitation of 0.5Pa, fast response time (<26ms) and high reversibility (>10000 cycles). Based on the outstanding sensing performance, the potential capability of our pressure sensor in capturing physiological information and recognizing speech signals has been demonstrated, indicating promising application in wearable and intelligent electronics.

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Publication details

The article was received on 21 Feb 2018, accepted on 14 May 2018 and first published on 15 May 2018


Article type: Paper
DOI: 10.1039/C8NR01495G
Citation: Nanoscale, 2018, Accepted Manuscript
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    Flexible hemispheric microarrays of highly pressure-sensitive sensors based on breath figure method

    Z. Wang, L. Zhang, J. Liu, H. Jiang and C. Li, Nanoscale, 2018, Accepted Manuscript , DOI: 10.1039/C8NR01495G

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