NDLI: Tunable In Situ 3D-Printed PVDF-TrFE Piezoelectric Arrays

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Tunable In Situ 3D-Printed PVDF-TrFE Piezoelectric Arrays

Content Provider	MDPI
Author	Ikei, Alec Wissman, James Sampath, Kaushik Yesner, Gregory Qadri, Syed
Copyright Year	2021
Description	In the functional 3D-printing field, poly(vinylidene fluoride-co-trifluoroethylene) (PVDF-TrFE) has been shown to be a more promising choice of material over polyvinylidene fluoride (PVDF), due to its ability to be poled to a high level of piezoelectric performance without a large mechanical strain ratio. In this work, a novel presentation of in situ 3D printing and poling of PVDF-TrFE is shown with a d $33$ performance of up to 18 pC N $-1$ , more than an order of magnitude larger than previously reported in situ poled polymer piezoelectrics. This finding paves the way forward for pressure sensors with much higher sensitivity and accuracy. In addition, the ability of in situ pole sensors to demonstrate different performance levels is shown in a fully 3D-printed five-element sensor array, accelerating and increasing the design space for complex sensing arrays. The in situ poled sample performance was compared to the performance of samples prepared through an ex situ corona poling process.
Starting Page	5032
e-ISSN	14248220
DOI	10.3390/s21155032
Journal	Sensors
Issue Number	15
Volume Number	21
Language	English
Publisher	MDPI
Publisher Date	2021-07-24
Access Restriction	Open
Subject Keyword	Sensors Manufacturing Engineering Pvdf Pvdf-trfe 3d Printing Smart Materials
Content Type	Text
Resource Type	Article

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