One-Pot Synthesis of Cationic Gold Nanoparticles by Differential Reduction

Ralph A. Sperling, Lorena Garciá-Fernández, Isaac Ojea-Jiménez, Jordi Piella, Neus G. Bastús, Víctor Puntes

    Research output: Contribution to journalArticleResearchpeer-review

    3 Citations (Scopus)

    Abstract

    © 2017 Walter de Gruyter GmbH, Berlin/Boston. The size-controlled synthesis of cationic particles by differential reduction of HAuCl4 precursor in the presence of NaBH4 and 1-aminoundecane-12-thiol (AUT) is reported. The number of seed particles is determined by the fraction of the initially Au precursor reduced by NaBH4 present in the reaction mixture, which are then grown larger by the AUT, acting as both weak reducing agent and stabilizing surfactant. By this methodology, size controlled synthesis is achieved in a two-step one-pot synthesis at room temperature.
    Original languageEnglish
    Pages (from-to)7-18
    JournalZeitschrift fur Physikalische Chemie
    Volume231
    Issue number1
    DOIs
    Publication statusPublished - 1 Jan 2017

    Keywords

    • cationic nanoparticles
    • differential reduction
    • one-pot synthesis
    • room temperature

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