Influence of Surfactant Concentration on Laser-Based Gold Nanoparticle Formation and Stability

Yuen-Yan Fong, Jason Gascooke, Gregory Metha, Mark Buntine

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    The time evolution of gold nanoparticle (AuNP) yields by in-situ laser irradiation from bulk gold in aqueous solutions containing the surfactant sodium dodecylsulfate (SDS) at concentrations above and below the critical micelle concentration in water is reported. These studies are augmented by transmission electron microscopy images of AuNP samples at each SDS concentration recorded after 90 min of laser irradiation. The results show that while a low concentration of SDS plays a role in the formation kinetics, there is no apparent influence of the SDS concentration around the surfactant critical micelle concentration on particle size during AuNP production.

    Original languageEnglish
    Pages (from-to)97-104
    Number of pages8
    JournalAustralian Journal of Chemistry
    Volume65
    Issue number2
    DOIs
    Publication statusPublished - 2012

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