Piezoelectric polymeric thin films tuned by carbon nanotube fillers
作者： Junhee Kim , Kenneth J. Loh , Jerome P. Lynch
DOI: 10.1117/12.774256
关键词: Polyvinylidene fluoride 、 Ferroelectricity 、 Thin film 、 Materials science 、 Composite number 、 Carbon nanotube 、 Composite material 、 Ferroelectric polymers 、 Dielectric 、 Piezoelectricity
摘要: ABSTRACT Piezoelectric materials have received considerable attention from the smart structure community because of their potential use as sensors, actuators and power harvesters. In particular, polyvinylidene fluoride (PVDF) has been proposed in recent years an enabling material for a variety sensing energy harvesting applications. this study, carbon nanotubes (CNT) are included within PVDF matrix to enhance properties PVDF. The CNT-PVDF composite is fabricated by solvent evaporation melt pressing. inclusion CNT allows dielectric be adjusted such that lower poling voltages can used induce permanent piezoelectric effect composite. To compare characteristics proposed, scanning electron microscope (SEM) images were analyzed ferroelectric experiments conducted. Finally, aforementioned composites we re mounted upon surface cantile vered beam voltage generation against homogeneous thin films. Keywords: harvesting; nanotubes; PV DF; structures; piezoelectricity
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