Synthesis of chloroauric acid from gold electrodes in alkali halide salt solution by ac electrolysis and the sequential formation of gold nanoparticles by turkevich method

Kei Oya, Kei Aoshika, Masaki Ageishi, Hideyuki Magara, Shuichi Ogawa, Yuji Takakuwa, Tomohide Takami

Research output: Contribution to journalArticlepeer-review

Abstract

Gold nanoparticles have been commonly made by a wet process from chloroauric acid or dry process using vacuum evaporation to solid surfaces. Here, we have shown a method to make gold particle from gold electrodes in potassium chloride solution by AC electrolysis and the following Turkevich method. The developed AC electrolysis method provides an environment-friendly process to produce gold particles from gold electrodes without using any strong acids such as aqua regia or hydrochloric acid.

Original languageEnglish
Pages (from-to)191-194
Number of pages4
JournalChemistry Letters
Volume50
Issue number1
DOIs
Publication statusPublished - 2021

Keywords

  • AC electrolysis
  • Alkali halide
  • Chloroauric acid

ASJC Scopus subject areas

  • Chemistry(all)

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