通过液态金属夹杂物实现可拉伸高介电弹性体 - Bartlett - 2016 - 先进材料 - Wiley Online Library --- Stretchable, High‐k Dielectric Elastomers through Liquid‐Metal Inclusions - Bartlett - 2016 - Advanced Materials - Wiley Online Libr.pdf

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AdvancedMaterials先进材料/Volume28,Issue19/p.3726-3731

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Stretchable,High-kDielectricElastomersthroughLiquid-MetalInclusions

通过液态金属夹杂物实现可拉伸的高介电弹性体

材料科学TOPEI检索SCI升级版材料科学1区SCI基础版工程技术1区IF29.4SWJTUA++

MichaelD.Bartlett,

AndrewFassler,

NavidKazem,

EricJ.Markvicka,

PratitiMandal,

CarmelMajidi

迈克尔-D-巴特利特、安德鲁-法斯勒、纳维德-卡泽姆、埃里克-J-马克维卡、普拉蒂蒂-曼达尔、卡梅尔-马吉迪

Firstpublished:23March2016

/10.1002/adma.201506243

Citations:295

首次出版：2016年3月23日/10.1002/adma.201506243Citations：295

GraphicalAbstract图表摘要

Anall-soft-mattercompositewithexceptionalelectro–elastopropertiesisdemonstratedby

embeddingliquid-metalinclusionsinanelastomermatrix.Thismaterialexhibitsaunique

combinationofhighdielectricconstant,lowstiffness,andlargestrainlimit(ca.600%strain).The

elasticity,electrostatics,andelectromechanicalcouplingofthecompositeareinvestigated,andstrong

agreementwithpredictionsfromeffectivemediumtheoryisfound.

通过在弹性体基体中嵌入液态金属夹杂物，展示了一种具有优异电-弹性特性的全软物质复合材料。这种材料

表现出高介电常数、低刚度和大应变极限（约600%应变）的独特组合。研究人员对这种复合材料的弹性、

静电和机电耦合进行了研究，发现它与有效介质理论的预测结果非常吻合。

Softelectronicsystemscapableofsensing,actuating,andenergyharvestingarekey

componentsforemergingapplicationsinwearableelectronics,biocompatiblemachines,

andsoftrobotics.1-5Traditionally,theelectronicpropertiesofrubberypolymerslike

silicones,polyurethanes,orcopolymerssuchasstyrene–ethylene–butylene–styreneare

tailoredbyadding10–30%byvolumeofinorganicfillerssuchasAgpowder,Ag-coatedNi

microspheres,structuredcarbonblack(CB),exfoliatedgraphite,carbonnanotubes,BaTiO,

3

TiO,orothermetallic,carbon-based,orceramicmicro-/nanoparticles.6-12Althou