Crystal Structure and Ferroelectric Properties of Poly(vinylidene fluoride)-Carbon nano tube Nanocomposite Film

被引：32

作者：

Lee, Ji Seok ^{[1
,2
,3
,4
,5
]}

Kim, Gwang Ho ^{[1
,6
]}

Kim, Woo Nyon ^{[6
]}

Oh, Kyung Hwan ^{[2
,3
,4
,5
]}

Kim, Hyeong Tae ^{[1
]}

Hwang, Seung Sang ^{[1
]}

Hong, Soon Man ^{[1
]}

机构：

[1] Korea Inst Sci & Technol, Hybrid Mat Res Ctr, Seoul 136791, South Korea

[2] Seoul Natl Univ, Sch Mat Sci & Engn, Seoul, South Korea

[3] Seoul Natl Univ, Sch Mat Sci, Seoul, South Korea

[4] Seoul Natl Univ, Sch Engn, Seoul, South Korea

[5] Seoul Natl Univ, Res Inst Adv Mat, Seoul, South Korea

[6] Korea Univ, Dept Biol & Chem Engn, Seoul, South Korea

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2008年 / 491卷

关键词：

carbon nano tube; ferroelectric properties; nano-composite; poly(vinylidene fluoride);

D O I：

10.1080/15421400802330861

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We investigated the effect of carbon nanotube on the crystal structure and mechanical/ferroelectric/piezoelectric properties based on poly(vinylidene fluoride) (PVDF) and carbon nano tube (CNT) composite film. The composite films were prepared by solution blending method, and the films were formed by hot-pressing. The contents of CNT were from 0.001wt.% to 1wt.%. For inducing piezoelectric beta-crystal structure, the hot-pressed nano composite films were drawn by 400% elongation. These samples were poled at high voltage and high temperature for polarization of the PVDF/CNT composite film. The beta-crystalline phase were increased with CNT contents, passing through the peak, and decreased. The structural changes depend on the CNT contents, drawing and poling conditions.

引用

页码：247 / 254

页数：8

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