Method for producing colloidal solution of metal nano-particle and metal nano-particle thereby

金属纳米颗粒胶体溶液的制备方法以及金属纳米颗粒

  • Inventors: YOON EUI-SIK
  • Assignees: 尹义植
  • Publication Date: March 03, 2010
  • Publication Number: CN-101663231-A

Abstract

本发明方法制备金属纳米颗粒的胶体溶液,其中一对金属电极对立地安置在溶解有金属盐的含水电解溶液中,向两个电极供给电流,同时用搅拌装置搅拌含水电解溶液,以便溶液中的金属离子被还原并析出金属纳米颗粒,该方法的特征在于向含水电解溶液中加入聚山梨醇酯以包覆溶液中析出的金属纳米颗粒的表面,从而防止金属纳米颗粒的凝聚。
In the present method of producing a colloidal solution of metal nano-particles in which a pair of metal electrodes is oppositely arranged in an aqueous electrolytic solution in which metal salts are dissolved and a current is applied to the two electrodes while stirring the aqueous electrolytic solution using stirring means so that metal ions in the solution are reduced to extract metal nano-particles, the method is characterized by adding polysorvate to the aqueous electrolytic solution to coat the surface of metal nano-particles extracted in the solution, thereby preventing agglomeration of the metal nano-particles.

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