✦ LIBER ✦

In-situ-Synthetized Silver/Epoxy Nanocomposites: Electrical Characterization by Means of Dielectric Spectroscopy

✍ Scribed by Lorenzo Vescovo; Marco Sangermano; Riccardo Scarazzini; Galder Kortaberria; Inaki Mondragon

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 291 KB
Volume: 211
Category: Article
ISSN: 1022-1352
DOI: 10.1002/macp.201000138

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✦ Synopsis

Abstract

In situ synthesis of silver/epoxy nanocomposites was achieved by UV‐induced polymerization through a simultaneous photoinduced electron transfer and cationic polymerization processes. The FESEM morphological investigation showed a uniform dispersion of silver nanoparticles within the polymeric matrix having narrow size distribution between 15 and 20 nm. The evolution of dielectric properties with frequency and NP content seem to indicate that the nanocomposites of this study remain below the percolation threshold. The dielectric spectroscopy results are in good agreement with the morphological investigation, which showed the absence of NPs percolative network.

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