A Highly Flexible Tactile Sensor with Self-Poled Electrospun PVDF Nanofiber

Описание к видео A Highly Flexible Tactile Sensor with Self-Poled Electrospun PVDF Nanofiber

Authors:
Jose Joseph, Manish Kumar, Suryasnata Tripathy, Gunapu D V Santhosh Kumar, Shiv Govind Singh, Siva Rama Krishna Vanjari

Abstract:
This paper reports the fabrication and characterization of a highly flexible tactile sensing device using self-poled electrospun Polyvinylidene difluoride (PVDF) nanofibers. The PVDF fiber forming conditions were optimized to yield bead free uniform nanofibers with high degree of β-phase content. XRD analysis revealed that the electrospun nanofibers exhibited high degree of β-phase that inturn results in high piezoelectric coefficient. The tactile sensor was fabricated on ITO coated PET substrate with a very simple process flow. The fabricated device was tested for its durability and stability in response. The characterization results revealed that the nanofiber based device yielded stable performance with a maximum output voltage of 3.5 Vpp for the highest straining condition.

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