Piezoresistive properties of nanocomposites based on silicone rubber and ionic liquid-functionalized carbon black

被引：31

作者：

Xu, Pei ^{[1
]}

Wang, Xiaoxi ^{[1
]}

Hu, Yadong ^{[1
]}

Ding, Yunsheng ^{[1
]}

机构：

[1] Hefei Univ Technol, Sch Chem & Chem Engn, Prov Key Lab Adv Funct Mat & Devices, Hefei 230009, Peoples R China

来源：

MATERIALS LETTERS | 2016年 / 182卷

关键词：

Carbon materials; Nanocomposites; Structural; Electrical properties; COMPOSITES; BEHAVIOR; RELAXATION; NANOTUBES; STRESS;

D O I：

10.1016/j.matlet.2016.06.097

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

High temperature vulcanized silicone rubber (SR) based nanocomposites with carbon black (CB) and ionic liquid-modified carbon black (CB-IL) as fillers were fabricated using mechanical mixing method and their piezoresistive properties were carefully characterized. 1-hexadecyl-3-methylimidazolium bromide (IL) can improve the dispersibility of CB in SR matrix by morphology characterization. The CB-IL/SR composites showed a lower percolation threshold compared with CB/SR composites. The CB-IL/SR composite with 5 vol% content of CB-IL shows higher piezoresistivity, better repeatability and shorter relaxation time due to the plasticizing effect of IL. The results suggest that the CB-IL/SR composites provide a new route toward fabrication of flexible piezoresistive sensors and wearable electronic devices. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：218 / 222

页数：5

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