Evaluation of the Physicochemical Properties and Active Response of Piezoelectric Poly(vinylidene fluoride-co-trifluoroethylene) as a Function of Its Microstructure

Gonçalves, R.; Cardoso, V. F.; Pereira, Nelson; Oliveira, Juliana; Nunes-Pereira, João; Costa, C. M.; Lanceros-Mendez, Senentxu

http://hdl.handle.net/10400.6/14363

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Authors

Lanceros-Mendez, Senentxu

Abstract(s)

Poly(vinylidene fluoride-trifluoroethylene), P(VDF-TrFE), microstructures have been produced using different solvents, including green ones, by different techniques, such as solvent casting, screen-printing, replica molding, electrospray, and electrospinning. The obtained microstructures span from simple porous and dense films to spheres, fibers, and patterned three-dimensional architectures, with no significant variation in their physicochemical and electrical properties. The simplicity, low cost, and reproducibility of the processing techniques allied to their versatility to adapt to other materials to produce controlled and tailored microstructures with specific properties demonstrate their potential in a wide range of technological applications, including biomedical, energy storage, sensors and actuators, and filtration.

Keywords

Poly(vinylidenefluoride-co-trifluoroethylene) (P-(VDF-TrFE)) Microstructure Piezoelectric Phase diagram Solvent casting Screen-printing Replica molding Electrospray Electrospinning Porous films Dense films Spheres Fibers Patterned three-dimensional architectures