A highly flexible and substrate-independent self-powered deformation sensor based on massively aligned piezoelectric nano-/microfibers

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Title:	A highly flexible and substrate-independent self-powered deformation sensor based on massively aligned piezoelectric nano-/microfibers
Authors:	傅尹坤;Fuh, Yiin-Kuen;Ye, Jia-Cheng;Chen, Po-Chou;Huang, Zih-Ming
Contributors:	工學院機械工程學系
Keywords:	chemistry;Deformation;Deposition;Devices;electricity;electrodes;encapsulation;energy;fabrics;generators (equipment);Nanostructure;Polyvinylidene fluorides;Sensor arrays;Sensors;thermoplastics;Vibration;wind power;wind speed
Date:	2014-10-14
Issue Date:	2026-04-23 14:38:06 (UTC+8)
Publisher:	Royal Society of Chemistry
Abstract:	摘要： In this study, we demonstrate highly flexible and substrate-independent piezoelectric nano-/microfiber (NMF) arrays that have the potential to function as a self-powered active deformation sensor. The fabricated hybrid structure of a sensor/power generator (PG) is realized via direct deposition of near-field electrospun and in situ poled polyvinylidene fluoride (PVDF) NMF on a Cu-foil electrode of thickness ∼200 μm. The NMF-based active deformation sensor has been successfully deposited on four different flexible substrate materials including paper and fully encapsulated with comparable electrical output performance, demonstrating the superior functionality of substrate-independent deposition of NMF arrays. Capable of integrating into a fabric such as a waving flag due to its high flexibility and excellent conformability, the NMF-based device can serve as an active deformation sensor under ambient wind-speed and the feasibility of efficiently converting the flutter motion into electricity is also demonstrated. This low-cost, simple structure, high sensitivity and good environmentally friendly NMF based PG is a very promising material/technology for practical energy harvesting devices and self-powered sensors and capable of scavenging very small wind power or mechanical induced vibration. 出版日期： 2014-01-01 出處： Journal of materials chemistry. A, Materials for energy and sustainability, 2014-01, Vol.2 (38), p.16101-16106 資源來源： Royal Society of Chemistry 識別號： ISSN: 2050-7488 識別號： ISSN: 2050-7496 識別號： EISSN: 2050-7496 識別號： DOI: 10.1039/C4TA01720J
Appears in Collections:	[Departmant of Mechanical Engineering ] journal & Dissertation

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