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Polymers 2016, 8(4), 157; doi:10.3390/polym8040157

The Effects of in Situ-Formed Silver Nanoparticles on the Electrical Properties of Epoxy Resin Filled with Silver Nanowires

Division of Semiconductor and Chemical Engineering, Chonbuk National University, Baekjedaero 567, Deokjin-gu, Jeonju, Chonbuk 54896, Korea
Research Center, NEPES AMC, 99 Seokam-ro, Iksan, Chonbuk 54587, Korea
Authors to whom correspondence should be addressed.
Academic Editor: Frank Wiesbrock
Received: 23 February 2016 / Revised: 14 April 2016 / Accepted: 15 April 2016 / Published: 21 April 2016
(This article belongs to the Special Issue Nano- and Microcomposites for Electrical Engineering Applications)
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A novel method for preparing epoxy/silver nanocomposites was developed via the in situ formation of silver nanoparticles (AgNPs) within the epoxy resin matrix while using silver nanowires (AgNWs) as a conductive filler. The silver–imidazole complex was synthesized from silver acetate (AgAc) and 1-(2-cyanoethyl)-2-ethyl-4-methylimidazole (imidazole). AgNPs were generated in situ during the curing of the epoxy resin through the thermal decomposition of the AgAc–imidazole complex, which was capable of reducing Ag+ to Ag by itself. The released imidazole acted as a catalyst to cure the epoxy. Additionally, after the curing process, the in situ-generated AgNPs were stabilized by the formed epoxy network. Therefore, by using the thermal decomposition method, uniformly dispersed AgNPs of approximately 100 nm were formed in situ in the epoxy matrix filled with AgNWs. It was observed that the nanocomposites containing in situ-formed AgNPs exhibited isotropic electrical properties in the epoxy resins in the presence of AgNWs. View Full-Text
Keywords: in situ-formed silver nanoparticles; silver nanowire; epoxy resin; nanocomposite in situ-formed silver nanoparticles; silver nanowire; epoxy resin; nanocomposite

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Song, G.-S.; Lee, D.S.; Kang, I. The Effects of in Situ-Formed Silver Nanoparticles on the Electrical Properties of Epoxy Resin Filled with Silver Nanowires. Polymers 2016, 8, 157.

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