Preparation of Ultrafine Particles of Copper by Reduction in a W/O Emulsion System

  • Hiroyuki Itoh
    Department of Applied Chemistry, School of Science and Engineering, Waseda University
  • Moto-o Miura
    Department of Applied Chemistry, School of Science and Engineering, Waseda University
  • Reoki Okamoto
    Department of Applied Chemistry, School of Science and Engineering, Waseda University
  • Eiichi Kikuchi
    Department of Applied Chemistry, School of Science and Engineering, Waseda University

Abstract

<jats:title>Abstract</jats:title> <jats:p>Ultrafine particles (UFP) of Cu were prepared by reduction in a w/o emulsion system, in which Cu(II) ions dissolved in aqueous droplets were reduced by a reducing agent. This method gave a very narrow particle size distribution. Moreover, the average size of UFP could be controlled by choosing the concentration of Cu ions.</jats:p>

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