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Formation Characterization of Ultra-Fine Cu Powder from Cu(OH)2 Slurry by Wet Reduction Method

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Abstract:

Ultra-fine copper powders with an average size of 150 nm were synthesized from Cu(OH)2 .H2O slurry with hydrazine monohydrate as a reduction agent by using the wet reduction method. Parameters such as temperature, reduction agent feeding rate, stirring rate, stirring speed, Cu(OH)2 concentration, and surfactants were investigated. It was found that the feeding rate of hydrazine monohydrate and the use of surfactants mainly affect the morphology and size of the copper powders along with their dispersion. XRD, PSA, and SEM were used to characterize the prepared particles.

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Periodical:

Materials Science Forum (Volumes 510-511)

Pages:

646-649

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.510-511.646

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Online since:

March 2006

Authors:

Jong Gwan Ahn, Dong Jin Kim, Hai Hoang, Jae Ryeong Lee, Hun Saeng Chung

Keywords:

Chemical Reduction, Copper Hydroxide Slurry, Hydrazine Monohydrate, Ultra-Fine Copper Powders

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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