Poly(vinylidene fluoride-co-trifluoroethylene)(P(VDF-TrFE))is a flexible polymer ferroelec-tric material,and its piezoelectric and ferroelectric properties are closely related to its crystal form,crys-tallinity and crystal orientation.In this paper,the recent progress made in the preparation of oriented P(VDF-TrFE)thin films is reviewed,and the improvement of piezoelectric and ferroelectric properties by dif-ferent film preparation methods is analyzed,so as to provide a reference for the development of P(VDF-TrFE)devices with excellent performance.
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