4.7 Article

Preparation of needle shaped nano-copper by microwave-assisted water system and study on its application of enhanced epoxy resin coating electrical conductivity

期刊

APPLIED SURFACE SCIENCE
卷 254, 期 18, 页码 5757-5759

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ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2008.03.078

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copper nanocrystals; microwave-assisted; liquor-phase reduction synthesis; needle shaped; electrical conductivity

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Needle shaped nano-copper 90 nm in length and 3 nm in diameter was synthesized in microwave-assisted water system in which copper acetate, ascorbic acid and surfactant made by us are used as precursor, reductant, and modifiers, respectively. The as-prepared nano-copper was characterized by XRD, TEM and TG-DSC. The epoxy resin coating exhibited a better excellent electrical conductivity added to as-prepared needle shaped nano-copper, rho(V) = 3.4 x 10 (6) Omega m than that of the coating added to sphere nano-copper, rho(V) = 8.9 x 10 (6) Omega m. (c) 2008 Elsevier B.V. All rights reserved.

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