Microwave rapid heating for the synthesis of gold nanorods

Fu Ken Liu*, Yu Cheng Chang, Fu-Hsiang Ko, Tieh Chi Chu

*Corresponding author for this work

Research output: Contribution to journalArticle

69 Scopus citations

Abstract

A microwave heating system with a sealed reaction chamber and a precise temperature-controlled module was employed to assess the synthesis of tetradecylammonium bromide (TOAB) cation surfactant-stabilized gold nanorods. Scanning electron microscopy (SEM) was employed to characterize the size and the shape of particles. It was found that both TOAB concentrations and reaction temperature programs played an important role in the formation of gold nanorods. By using higher TOAB concentration and faster rising reaction temperature, gold nanorods with higher aspect ratio could be produced. This finding demonstrated the combination of TOAB surfactant and microwave system to be a useful approach for the preparation of gold nanorods.

Original languageEnglish
Pages (from-to)373-377
Number of pages5
JournalMaterials Letters
Volume58
Issue number3-4
DOIs
StatePublished - 1 Jan 2004

Keywords

  • Gold nanorods
  • Microwave rapid heating
  • Sealed reaction chamber
  • Synthesis
  • Temperature controlled

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