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Simple One-Step Synthesis of Uniform Disperse Copper Nanoparticles

Published online by Cambridge University Press:  15 February 2011

Chunwei Wu ,
Brian P. Mosher  and
Taofang Zeng
Chunwei Wu
Affiliation:
The Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC 27695, U.S.A.
Brian P. Mosher
Affiliation:
The Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC 27695, U.S.A.
Taofang Zeng
Affiliation:
The Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC 27695, U.S.A.
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Abstract

In this paper, we describe a simple and rapid solution-phase chemical reduction method with no inert gas protection, for preparing stable copper nanoparticle colloid with average particle size of 3.4 nm and narrow size distribution. In our synthesis route, ascorbic acid, natural vitamin C (VC), serves as both a reducing agent and an antioxidant to reduce copper salt precursor and effectively prevent the general oxidation process occurring to the newborn nanoparticles. XRD and UV/vis confirm the formation of pure face-centered cubic (fcc) copper nanoparticles and the excellent antioxidant ability of ascorbic acid.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 879: Symposium Z – Chemistry of Nanomaterial Synthesis and Processing , 2005 , Z6.3
Copyright
Copyright © Materials Research Society 2005

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