Photostrictive effect in a polyvinylidene fluoride-trifluoroethylene copolymer

被引：4
|
作者：
Bonora, S. [1 ]
Meneghini, M. [2 ]
Marrani, A. [3 ]
Bassi, M. [3 ]
Falco, I. [3 ]
Zanoni, E. [2 ]
机构：
[1] Univ Padua, Dept Organ Chem, CNR, IFN,Lab Ultraviolet & Xray Opt Res, I-35131 Padua, Italy
[2] Univ Padua, Dept Informat Engn, I-35131 Padua, Italy
[3] Solvay Solexis R&D Ctr, I-20021 Milan, Italy
来源：
APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 03期
关键词：
CRYSTAL-LIGHT-VALVE; FILMS;
D O I：
10.1063/1.3610485
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present an extensive characterization and modeling of the use of a polyvinylidene fluoride trifluoroethylene copolymer P(VDF-TrFE) as a photo activated actuator. P(VDF-TrFE) copolymers are very appealing for applications because, on the opposite of the PVDF homopolymer, which requires a drawing or stretching followed by annealing and poling process to show ferroelectric properties, they spontaneously crystallize to beta phase. Based on the measurement of the bending of P(VDF-TrFE) strips under illumination, we extrapolated a model of the role of temperature, piezoelectric effect, and photostrictive components. (C) 2011 American Institute of Physics. [doi:10.1063/1.3610485]
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页数：3
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