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Facile Preparation of Hybrid Structure Based on Mesodome and Micropillar Arrays as Flexible Electronic Skin with Tunable Sensitivity and Detection Range
Ji, Bing1; Mao, Yongyun1,3; Zhou, Qian1; Zhou, Jianhe4; Chen, Ge1; Gao, Yibo5; Tian, Yanqing3; Wen, Weijia5; Zhou, Bingpu1,2
2019-08-07
Source PublicationACS Applied Materials and Interfaces
ISSN1944-8244
Volume11Issue:31Pages:28060-28071
Abstract

The development of flexible pressure sensors has attracted increasing research interest for potential applications such as wearable electronic skins and human healthcare monitoring. Herein, we demonstrated a piezoresistive pressure sensor based on AgNWs-coated hybrid architecture consisting of mesoscaled dome and microscaled pillar arrays. We experimentally showed that the key three-dimensional component for a pressure sensor can be conveniently acquired using a vacuum application during the spin-coating process instead of a sophisticated and expensive approach. The demonstrated hybrid structure exhibits dramatically improved sensing capability when compared with the conventional one-fold dome-based counterpart in terms of the sensitivity and detectable pressure range. The optimized sensing performance, by integrating D1000 dome and D50P100 MPA, reaches a superior sensitivity of 128.29 kPa (0-200 Pa), 1.28 kPa (0.2-10 kPa), and 0.26 kPa (10-80 kPa) and a detection limit of 2.5 Pa with excellent durability. As a proof-of-concept, the pressure sensor based on the hybrid configuration was demonstrated as a versatile platform to accurately monitor different kinds of physical signals or pressure sources, e.g., wrist pulse, voice vibration, finger bending/touching, gas flow, as well as address spatial loading. We believe that the proposed architecture and developed methodology can be promising for future applications including flexible electronic devices, artificial skins, and interactive robotics.

KeywordElectronic Skin Hybrid Structure Polydimethylsiloxane Pressure Sensor Silver Nanowire
DOI10.1021/acsami.9b08419
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:000480498600063
Scopus ID2-s2.0-85070585664
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Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorZhou, Bingpu
Affiliation1.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, 999078, Macao
2.Department of Physics and Chemistry, Faculty of Science and Technology, University of Macau, Avenida da Universidade, Taipa, 999078, Macao
3.Department of Materials Science and Engineering, Southern University of Science and Technology, Nanshan District Shenzhen Guangdong, No. 1088, Xueyuan Road Xili, 518055, China
4.Spinal Joint Surgery, Kanghua Hospital, Dongguan Guangdong, 523000, China
5.Department of Physics, Hong Kong University of Science and Technology, Kowloon, Clear Water Bay, 999077, Hong Kong
First Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING;  Faculty of Science and Technology
Recommended Citation
GB/T 7714
Ji, Bing,Mao, Yongyun,Zhou, Qian,et al. Facile Preparation of Hybrid Structure Based on Mesodome and Micropillar Arrays as Flexible Electronic Skin with Tunable Sensitivity and Detection Range[J]. ACS Applied Materials and Interfaces, 2019, 11(31), 28060-28071.
APA Ji, Bing., Mao, Yongyun., Zhou, Qian., Zhou, Jianhe., Chen, Ge., Gao, Yibo., Tian, Yanqing., Wen, Weijia., & Zhou, Bingpu (2019). Facile Preparation of Hybrid Structure Based on Mesodome and Micropillar Arrays as Flexible Electronic Skin with Tunable Sensitivity and Detection Range. ACS Applied Materials and Interfaces, 11(31), 28060-28071.
MLA Ji, Bing,et al."Facile Preparation of Hybrid Structure Based on Mesodome and Micropillar Arrays as Flexible Electronic Skin with Tunable Sensitivity and Detection Range".ACS Applied Materials and Interfaces 11.31(2019):28060-28071.
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