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Capacitive Pressure Sensor with High Sensitivity and Fast Response to Dynamic Interaction Based on Graphene and Porous Nylon Networks
Zhongfu He1; Wenjun Chen1; Binghao Liang1; Changyong Liu3; Leilei Yang1; Dongwei Lu1; Zichao Mo1; Hai Zhu2; Zikang Tang4; Xuchun Gui1
2018-03-27
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume10Issue:15Pages:12816-12823
Abstract

Flexible pressure sensors are of great importance to be applied in artificial intelligence and wearable electronics. However, assembling a simple structure, high-performance capacitive pressure sensor, especially for monitoring the flow of liquids, is still a big challenge. Here, on the basis of a sandwich-like structure, we propose a facile capacitive pressure sensor optimized by a flexible, low-cost nylon netting, showing many merits including a high response sensitivity (0.33 kPa–1) in a low-pressure regime (<1 kPa), an ultralow detection limit as 3.3 Pa, excellent working stability after more than 1000 cycles, and synchronous monitoring for human pulses and clicks. More important, this sensor exhibits an ultrafast response speed (<20 ms), which enables its detection for the fast variations of a small applied pressure from the morphological changing processes of a droplet falling onto the sensor. Furthermore, a capacitive pressure sensor array is fabricated for demonstrating the ability to spatial pressure distribution. Our developed pressure sensors show great prospects in practical applications such as health monitoring, flexible tactile devices, and motion detection.

KeywordGraphene Capacitive Pressure Sensor Flexible Electronics Sandwich-like Structure Nylon Netting
DOI10.1021/acsami.8b01050
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000430642100074
PublisherAMER CHEMICAL SOC
The Source to ArticleWOS
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Cited Times [WOS]:98   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorXuchun Gui
Affiliation1.State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology
2.State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, Guangzhou 510275, China
3.Additive Manufacturing Research Institute, College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China
4.Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau 999078, China
Recommended Citation
GB/T 7714
Zhongfu He,Wenjun Chen,Binghao Liang,et al. Capacitive Pressure Sensor with High Sensitivity and Fast Response to Dynamic Interaction Based on Graphene and Porous Nylon Networks[J]. ACS APPLIED MATERIALS & INTERFACES,2018,10(15):12816-12823.
APA Zhongfu He,Wenjun Chen,Binghao Liang,Changyong Liu,Leilei Yang,Dongwei Lu,Zichao Mo,Hai Zhu,Zikang Tang,&Xuchun Gui.(2018).Capacitive Pressure Sensor with High Sensitivity and Fast Response to Dynamic Interaction Based on Graphene and Porous Nylon Networks.ACS APPLIED MATERIALS & INTERFACES,10(15),12816-12823.
MLA Zhongfu He,et al."Capacitive Pressure Sensor with High Sensitivity and Fast Response to Dynamic Interaction Based on Graphene and Porous Nylon Networks".ACS APPLIED MATERIALS & INTERFACES 10.15(2018):12816-12823.
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