Microwave heating for the preparation of nanometer gold particles

Fu Ken Liu*, Chu Jung Ker, Yu Cheng Chang, Fu-Hsiang Ko, Tieh Chi Chu, Bau Tong Dai

*Corresponding author for this work

Research output: Contribution to journalArticle

53 Scopus citations


In this paper we report a feasible method to synthesize gold nanoparticles with uniform size by microwave heating. In this work, a closed chamber of a microwave system with precise temperature control function was employed to synthesize the gold nanoparticles. Our data demonstrates that the temperature plays an important role in the synthesis of gold nanoparticles. With higher synthesis temperature, longer heating time duration and rapid gradient of temperature increase, the smaller diameter and the narrow size distribution of the gold nanoparticles were obtained. The concentrations of citrate represent the reductant in the synthesis reaction, which also influence the morphology of gold nanoparticles. The data demonstrates that gold nanoparticles with highly reproducible sizes could be synthesized by microwave heating.

Original languageEnglish
Pages (from-to)4152-4158
Number of pages7
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Issue number6 B
StatePublished - 1 Jun 2003


  • Gold nanoparticles
  • Highly reproducible
  • Microwave
  • Rapid heating
  • Synthesis

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