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Issue 22, 2018
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Flexible hemispheric microarrays of highly pressure-sensitive sensors based on breath figure method

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Abstract

Recently, flexible pressure sensors featuring high sensitivity, broad sensing range and real-time detection have aroused great attention owing to their crucial role in the development of artificial intelligent devices and healthcare systems. Herein, highly sensitive pressure sensors based on hemisphere-microarray flexible substrates are fabricated via inversely templating honeycomb structures deriving from a facile and static breath figure process. The interlocked and subtle microstructures greatly improve the sensing characteristics and compressibility of the as-prepared pressure sensor, endowing it a sensitivity as high as 196 kPa−1 and a wide pressure sensing range (0–100 kPa), as well as other superior performance, including a lower detection limit of 0.5 Pa, fast response time (<26 ms) and high reversibility (>10 000 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.

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

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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, 2018,10, 10691-10698
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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, 10, 10691
    DOI: 10.1039/C8NR01495G

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