Preparation and dielectric property of Ag/PVDF composite film

Ya Jun Wang, Jian Wen Zhai, Fang Fang Wang, Chang Gen Feng

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Citations (Scopus)

Abstract

Conductive particle fillers could improve the dielectric properties of the polymer matrix. By solvent casting method, different volume fraction of nano silver particles were added into the PVDF film to prepare Ag/PVDF composite film so as to increase the dielectric properties of the materials. SEM was used to analyze the microstructure of the films. SEM images show that nano Ag filler particles were uniformly distributed throughout the whole matrix of the composite films. Dielectric property tests show that with the increase of nano Ag content, the dielectric constants of the composites increase first and decrease later while the dielectric losses decrease first and increase later. In the case of the optimal 17vol% Ag content, the dielectric constant of the composite film is the highest (14.5 at 100 Hz) with lower dielectric loss, and the energy storage density is relatively high (0.340 J·cm-3).

Original languageEnglish
Title of host publicationMaterials Science, Computer and Information Technology
PublisherTrans Tech Publications Ltd.
Pages242-245
Number of pages4
ISBN (Print)9783038351733
DOIs
Publication statusPublished - 2014
Event4th International Conference on Materials Science and Information Technology, MSIT 2014 - Tianjin, China
Duration: 14 Jun 201415 Jun 2014

Publication series

NameAdvanced Materials Research
Volume989-994
ISSN (Print)1022-6680
ISSN (Electronic)1662-8985

Conference

Conference4th International Conference on Materials Science and Information Technology, MSIT 2014
Country/TerritoryChina
CityTianjin
Period14/06/1415/06/14

Keywords

  • Dielectric constant
  • Energy storage density
  • Nano Ag
  • PVDF

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