Novel electroless plating of silver nanoparticles on graphene nanoplatelets and its application for highly conductive epoxy composites

被引：5

作者：

Qian, Yingjie ^{[1
]}

Hwang, Sosan ^{[1
]}

Lee, Jaewon ^{[1
]}

Sung, Lee Jin ^{[1
]}

Baeck, Sung-Hyeon ^{[1
]}

Shim, Sang Eun ^{[1
]}

机构：

[1] Inha Univ, Dept Chem Engn, 100 Inha Ro, Incheon 22212, South Korea

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2021年 / 96卷

关键词：

Electrically conductivity; Graphene nanoplatelet; Silver nanoparticles; ENHANCED ELECTROCATALYTIC ACTIVITY; GREEN SYNTHESIS; GRAPHITE OXIDE; RAMAN-SPECTRA; PERFORMANCE; REDUCTION; CARBON; NANOCOMPOSITES; DEPOSITION; SURFACE;

D O I：

10.1016/j.jiec.2021.01.014

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

With the aim to develop electrically conductive adhesives (ECAs) as alternatives for traditional leadbased or lead-free solders in electronic packaging, we report an outstanding enhancement of electrical conductivity of epoxy ECAs filled with silver nanoparticles (AgNP)-decorated graphene nanoplatelets (AgNP@GNP). In order to avoid the deterioration of the superior properties of GNP, the GNP is directly sensitized by Sn precursor without conventional harsh-conditioned graphene oxide (GO) preparation, followed by the decoration of AgNP on sensitized GNP. The structural and morphological properties of AgNP@GNP were characterized using XRD, TEM, Raman, and TGA. The excellent distribution of SnO2 and AgNP on GNP could be explained by the attractive force between protonated GNP (pH < 1; zeta potential > +20 mV) and lone-paired stannous ions. The electrical conductivity of as-prepared AgNP@GNP (1.3 x 10(5)S/cm) was nearly 6500 times than that of pristine GNP. Moreover, the electrical conductivity of the 20 vol%AgNP@GNP/epoxy ECAs was almost 500 times higher than that of pristine GNP/epoxy and 27-fold higher than that of conventional AgNP@GO/epoxy ECA. (C) 2021 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：156 / 162

页数：7

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