Surface functionalized silver nanoparticles for ultrahigh conductive polymer composites

被引：242

作者：

Jiang, Hongjin

Moon, Kyoung-sik

Li, Yi

Wong, C. P. ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

[2] Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA

来源：

CHEMISTRY OF MATERIALS | 2006年 / 18卷 / 13期

关键词：

D O I：

10.1021/cm0527773

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Silver nanoparticles were surface functionalized with diacids and then incorporated into the polymer matrix with silver flakes as conductive fillers. By using appropriate diacids, the resistivity of the silver flakes and nanoparticles (molar ratio of silver flakes to nanoparticles is equal to 6: 4) incorporated polymer composites was dramatically reduced to as low as 5 x 10(-6) Omega center dot cm. Morphology studies showed that the decreased resistivity resulted from the sintering of silver nanoparticles. The contact resistance of the polymer composites under 85 degrees C and 85% relative humidity was significantly stable with respect to aging time as a result of the further sintering of silver nanoparticles.

引用

页码：2969 / 2973

页数：5

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