Abstract
Ferroelectric poly(vinylidenefluoride-trifluoroethylene) [P(VDF-TrFE)] copolymer, poly(vinylidenefluoride-trifluoroethylene-chlorofloroethlene) [P(VDF-TrFE-CFE)] terpolymer and P(VDF-TrFE)/P(VDF-TrFE-CFE) multilayers were fabricated by Langmuir–Blodgett (LB) technique. The microstructure, ferroelectric and pyroelectric properties of these films were investigated. In [Formula: see text] multilayer, an enhancement of pyroelectric performance was observed compared with [Formula: see text] multilayer and P(VDF-TrFE-CFE) film. The results indicate that the internal electric field due to polarization mismatch has a dominating contribution from the view of electrostatic coupling.
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