High-permittivity polymer nanocomposites: Influence of interface on dielectric properties

查看全文 作　　者：Zhi-Min [1]Dang;Jin-Kai [2]Yuan;Jun-Wei [1]Zha;Peng-Hao [1]Hu;Dong-Rui [1]Wang;Zhong-Yang [3]Cheng

机构地区：[1]Laboratory of Dielectric Polymer Materials and Devices School of Chemistry and Biological Engineering University of Science and Technology Beijing Beijing 100083,P.R.China;[2]Laboratoire de Mecanique des Sols,Structures et Maeriaux Ecole Centrale Paris,CNRSUMR8579,PRES UniverSud Grande Voie des Vignes,92295 Chatenay-Malabry Cedex France;[3]Materials Research and Education Center Auburn University,Auburn AL 36849,USA

出　　处：《Journal of Advanced Dielectrics》索引2013年第3卷第3期,共8页

基　　金：supported by NSF of China(Grant No.51377010);NSF of Beijing City(Grant No.2122040);the National Basic Research Program of China(973 Program)(Grant No.2014CB239503);State Key Laboratory of Power System(SKLD11KZ04)in Tsinghua University. 摘　　要：Flexible dielectric composites with high permittivity have been extensively studied due to their potential applications in highdensity energy capacitors.In this review,effects of interface characteristics on the dielectric properties in the polymer-based nanocomposites with high permittivity are analyzed.The polymer-based dielectric composites are classified into two types:dielectric–dielectric(DD,ceramic particle-polymer)composites and conductor–dielectric(CD,conductive particle-polymer)composites.It is highly desirable for the dielectric–dielectric composites to exhibit high permittivity at low content of ceramic particles,which requires a remarkable interface interaction existing in the composite.For conductor–dielectric composites,a high permittivity can be achieved in composite with a small amount of conductor particle,but associated with a high loss.In this case,the interface between conductor and polymer with a good insulating characteristic is very important.Different methods can be used to modify the surface of ceramic/conductor particles before these particles are dispersed into polymers.The experimental results are summarized on how to design and make the desirable interface,and recent achievements in the development of these nanocomposites are presented.The challenges facing the fundamental understanding on the role of interface in high-permittivity polymer nanocomposites should be paid a more attention. 关键词：INTERFACE MICROSTRUCTURE dielectric properties NANOCOMPOSITES model

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High-permittivity polymer nanocomposites: Influence of interface on dielectric properties

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