NDLI: Piezoelectrets: Polymer foams for transducer applications

Content Provider	IEEE Xplore Digital Library
Author	Peng Fang Zheng Wei Guang-lin Li
Copyright Year	2012
Description	Author affiliation: The Key Lab of Health Informatics of Chinese Academy of Sciences (CAS), Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, CAS, 518055, China (Peng Fang; Zheng Wei; Guang-lin Li)
Abstract	Piezoelectric materials are commonly used in various sensors and actuators. Besides the traditional piezoelectric ceramics such as Lead Zirconate Titanate and polar piezoelectric polymers such as β-phase Polyvinylidene Fluoride, piezoelectrets have recently become a new group of piezoelectric materials. Piezoelectrets are functional polymer systems for electromechanical transduction, with elastically heterogeneous cellular structures and internal quasi-permanent dipole moments. The piezoelectricity of piezoelectrets stems from linear changes of the dipole moments in response to external mechanical or electrical stress. Compared with the traditional piezoelectric materials, piezoelectrets own several desirable advantages. In this paper, the preparation processes and the properties of piezoelectrets were introduced and then the possible performance improvement was discussed. Finally, some promising applications of piezoelectrets were proposed.
Starting Page	105
Ending Page	108
File Size	468422
Page Count	4
File Format	PDF
ISBN	9781467348140
DOI	10.1109/SPAWDA.2012.6464047
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Transducer Transducers Annealing Piezoelectret Piezoelectricity Polymer Polymers Thermal stability
Content Type	Text
Resource Type	Article

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