Enhanced PVDF Electrospun Nanofiber Capacitive Pressure Sensor for Wearable Electronic

Danova, Romana; Avvari, Venkata Dinesh; Olejník, Robert; Slobodian, Petr; Matyas, Jiri; Kimmer, Dušan

doi:10.1109/nems50311.2020.9265563

Cited by 1 publication

(1 citation statement)

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“…The reported change in capacity in the PVDF sample reaches maximum values of Δ C / C = 0.38 for a pressure of 69.35 kPa. The introduction of TiO 2 nanoparticles into the PVDF fiber composition increased the Δ C / C to the value of 0.47, which is appropriate for insole sensors in sports shoes . Still in composites, a (poly(VDF- co -HFP))/1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([EMIM][TFSI]) IL composite film (with a 6.5/3.5 weight ratio) has been proposed for textile-based capacitive pressure sensing .…”

Section: Applicationsmentioning

confidence: 99%

Smart and Multifunctional Materials Based on Electroactive Poly(vinylidene fluoride): Recent Advances and Opportunities in Sensors, Actuators, Energy, Environmental, and Biomedical Applications

Costa,

Cardoso,

Martins

et al. 2023

Chem. Rev.

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From scientific and technological points of view, poly(vinylidene fluoride), PVDF, is one of the most exciting polymers due to its overall physicochemical characteristics. This polymer can crystalize into five crystalline phases and can be processed in the form of films, fibers, membranes, and specific microstructures, being the physical properties controllable over a wide range through appropriate chemical modifications. Moreover, PVDF-based materials are characterized by excellent chemical, mechanical, thermal, and radiation resistance, and for their outstanding electroactive properties, including high dielectric, piezoelectric, pyroelectric, and ferroelectric response, being the best among polymer systems and thus noteworthy for an increasing number of technologies. This review summarizes and critically discusses the latest advances in PVDF and its copolymers, composites, and blends, including their main characteristics and processability, together with their tailorability and implementation in areas including sensors, actuators, energy harvesting and storage devices, environmental membranes, microfluidic, tissue engineering, and antimicrobial applications. The main conclusions, challenges and future trends concerning materials and application areas are also presented.

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Section: Applicationsmentioning

confidence: 99%