Enhanced electro-mechanical actuation strain in polyaniline nanorods/silicone rubber nanodielectric elastomer films

被引：10

作者：

Wang, Dongrui ^{[1
]}

Zhang, Ling ^{[1
]}

Zhang, Liang ^{[1
]}

Zha, Jun-Wei ^{[1
]}

Yu, Haizhu ^{[1
]}

Hu, Sheng ^{[2
]}

Dang, Zhi-Min ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Dept Polymer Sci & Engn, Lab Dielect Polymer Mat & Devices, Beijing 100083, Peoples R China

[2] CAEP, Inst Nucl Phys & Chem, Mianyang 621900, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2014年 / 104卷 / 24期

基金：

北京市自然科学基金;

关键词：

ARTIFICIAL MUSCLES; PERMITTIVITY; COMPOSITES;

D O I：

10.1063/1.4884362

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nanodielectric elastomer films consisting of a silicone rubber as the matrix and conductive polyaniline nanorods (PANI-NR) as the filler were fabricated and their electro-mechanical actuation performance was investigated. The nanodielectric elastomers displayed a typical insulator-to-conductor transition as the content of PANI-NR increased. The percolation threshold was observed to show a relatively low value of 5.2 vol. %, which should be mainly ascribed to the one-dimensional structure of the nanorods. As the concentration of PANI-NR approached to the percolation threshold, the electro-mechanical actuation strain of the elastomer films was significantly enhanced. The actuation coefficient of nanodielectric elastomer films with only 4.0 vol.% PANI-NR loading was about 5 times higher than that of pure silicone rubber matrix. (C) 2014 AIP Publishing LLC.

引用

页数：4

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