The Fabrication and Piezoelectric Performance of MnO2 Fiber/PVDF Composites Films

被引：0
|
作者：
Yang L. [1 ]
Zhao Q. [2 ]
Shen M. [1 ]
Qiu J. [2 ]
机构：
[1] College of Mechanics and Materials, Hohai University, Nanjing
[2] State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing
来源：
Cailiao Daobao/Materials Reports | 2020年 / 34卷 / 24期
基金：
中国国家自然科学基金;
关键词：
MnO[!sub]2[!/sub; Piezoelectricity; PVDF;
D O I：
10.11896/cldb.20040235
中图分类号：
学科分类号：
摘要：
In this work, a combination of solution casting and uniaxially stretching was adopted to fabricate flexible poly(vinylidene fluoride) (PVDF) based piezoelectric composites films loaded with MnO2 fiber. The effect of MnO2 fiber loadings on the microstructure and piezoelectric performance was investigated. The results demonstrated that the MnO2 fiber can promote the formation of β-phase, interfacial coupling effect and subsequently the piezoelectric response of composites films. With a loading of 0.4wt%, the piezoelectric coefficient d33 of composites films reached the maximum of -30 pC/N, which was almost double that of pure PVDF. Furthermore, the cantilever test implied that the novel compo-sites films with high piezoelectric response were also capable of generating high output voltage up to 1.7 V, which was 50% higher that of pure PVDF. The excellent piezoelectric and output performance of composites films demonstrated their great potential application in energy harvesting and sensing areas. © 2020, Materials Review Magazine. All right reserved.
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页码：24145 / 24149
页数：4
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