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聚偏氟乙烯压电材料的研究进展李保章BA13234039应用内窥镜手术抓钳的PVDF传感器（HosodaKetal2006）

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Large-deformation Flexible Easyminiaturization

NospecificenvironmentApplications

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信号产生机制压电信号响应示意图PVDF分子链的构象和晶胞结构TGTGTTTTTTTG氟原子氢原子碳原子主要内容一、1969-2003发现和机理二、2004年-2013年发展和应用发现Kawai,H.ThePiezoelectricityofPoly(vinylidenefluoride).JapaneseJournalofAppliedPhysics

8,975-976(1969).V>300kV/cmT=100-150℃PVDFPVCPS共聚Infraredspectraof75/25VDF/TrFEcopolymerfilmbeforeandafterannealingat154℃for3h.(a)1500-900cm-’;(b)950-450cm-’,(---)ascastfilm,(-)annealedfilm.Kim,B.SpectroscopicAnalysisoftheCrystallineandAmorphousPhasesinaVinylideneFluoride/TrifluoroethyleneCopolymer.Macromolecular(1989).0-3结构Chen,X.D.etal.0-3Piezoelectriccompositefilmwithhighd(33)coefficient.Sens.ActuatorA-Phys.

65,194-196(1998).120℃kV1h温度Kim,K.J.,Cho,Y.J.&Kim,Y.H.FACTORSDETERMININGTHEFORMATIONOFTHEBETA-CRYSTALLINEPHASEOFPOLY(VINYLIDENEFLUORIDE)INPOLY(VINYLIDENEFLUORIDE)-POLY(METHYLMETHACRYLATE)BLENDS.VibrationalSpectroscopy

9,147-159(1995).拉伸Moharjir,B.E.&Heymans,N.ChangesinstructuralandmechanicalbehaviourofPVDFwithprocessingandthermomechanicaltreatments.1.Changeinstructure.Polymer

42(2001).拉伸压缩静电纺丝Kim,J.R.,Choi,S.W.,Jo,S.M.,Lee,W.S.&Kim,B.C.ElectrospunPVdF-basedfibrouspolymerelectrolytesforlithiumionpolymerbatteries.ElectrochimicaActa

50,69-75,doi:10.1016/j.electacta.2004.07.014(2004).单向电纺纳米纤维膜Yee,W.A.,Kotaki,M.,Liu,Y.&Lu,X.Morphology,polymorphismbehaviorandmolecularorientationofelectrospunpoly(vinylidenefluoride)fibers.Polymer

48,512-521,doi:10.1016/j.polymer.2006.11.036(2007).单向电纺纳米纤维膜Yee,W.A.,Kotaki,M.,Liu,Y.&Lu,X.Morphology,polymorphismbehaviorandmolecularorientationofelectrospunpoly(vinylidenefluoride)fibers.Polymer

48,512-521,doi:10.1016/j.polymer.2006.11.036(2007).旋涂方法Ramasundaram,S.,Yoon,S.,Kim,K.J.&Lee,J.S.DirectPreparationofNanoscaleThinFilmsofPoly(vinylidenefluoride)Containingbeta-CrystallinePhasebyHeat-ControlledSpinCoating.MacromolecularChemistryandPhysics209,2516-2526,doi:10.1002/macp.200800501(2008).掺杂碳纳米管FTIRspectraofspin-coatedPVDF/SWCNTthinfilmswithCNTconcentrationsof(i)0wt%,(ii)0.01wt%,(iii)0.1wt%,and(iv)0.5wt%.Huang,S.etal.ElectrospinningofPolyvinylideneDifluoridewithCarbonNanotubes:SynergisticEffectsofExtensionalForceandInterfacialInteractiononCrystallineStructures.Langmuir

24,13621-13626,doi:10.1021/la8024183(2008).小结PVDF各晶型的相互转变主要内容一、1969-2003发现和机理二、2004年-2013年发展和应用压力传感器Wang,Y.R.,Zheng,J.M.,Ren,G.Y.,Zhang,P.H.&Xu,C.AflexiblepiezoelectricforcesensorbasedonPVDFfabrics.SmartMaterials&Structures20,doi:10.1088/0964-1726/20/4/045009(2011).施加一个力学信号，可以收集到正方向和负方向的两个电荷信号压力传感器Mandal,D.,Yoon,S.&Kim,K.J.OriginofPiezoelectricityinanElectrospunPoly(vinylidenefluoride-trifluoroethylene)NanofiberWeb-BasedNanogeneratorandNano-PressureSensor.MacromolecularRapidCommunications

32,831-837,doi:10.1002/marc.201100040(2011).两片电纺膜叠层组装器件，不同的组装方式有不同的结果低频集电器Cha,S.etal.PorousPVDFAsEffectiveSonicWaveDrivenNanogenerators.NanoLetters

11,5142-5147,doi:10.1021/nl202208n(2011).氧化铝模板法制备PVDF有机无机杂交集电器Lee,M.etal.AHybridPiezoelectricStructureforWearableNanogenerators.AdvancedMaterials

24,1759-1764,doi:10.1002/adma.201200150(2012).叠层组装制备集电器器件叠层法制备集电器器件Lee,J.H.etal.Highlysensitivestretchabletransparentpiezoelectricnanogenerators.EnergyEnviron.Sci.

6,169-175,doi:10.1039/c2ee23530g(2013).叠