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author:

叶芸 (叶芸.) [1] | 蒋亚东 (蒋亚东.) [2]

Indexed by:

PKU CSCD

Abstract:

将极化处理后充负电荷的聚偏氟乙烯(PVDF)有机铁电聚合物薄膜经溶解,与BaTiO3无机纳米粉体形成良好分散的PVDF-BT荷电阴离子溶液和聚二丙烯基二甲基氯化铵(PDDA)聚阳离子溶液,通过静电作用在石英基片上交替自组装PDDA/PVDF-BT铁电复合超薄膜.采用石英晶体微天平(QCM)、扫描电子显微镜(SEM)、X射线衍射分析(XRD)对该铁电复合超薄膜进行了表征.研究结果表明:自组装12层PDDA/PVDF-BT铁电复合超薄膜厚度为82nm,且静电自组装过程均匀,复合超薄膜表面平整、致密,无机纳米颗粒规整并均匀地覆盖在石英基底表面.通过在PDDA/PVDF复合超薄膜间引入BaTiO3无机纳米铁电粉体,可实现对超薄膜内部结构以及膜厚度的控制,极化强度可提高到约3μC/cm2.

Keyword:

复合超薄膜 纳米粉体 铁电聚合物 静电自组装

Community:

  • [ 1 ] [叶芸]福州大学
  • [ 2 ] [蒋亚东]电子科技大学

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Source :

无机材料学报

ISSN: 1000-324X

Year: 2009

Issue: 4

Volume: 24

Page: 741-744

0 . 3 7 9

JCR@2009

1 . 7 0 0

JCR@2023

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 0

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