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

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    Resum

    © 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.
    Idioma originalEnglish
    Pàgines (de-a)7-18
    RevistaZeitschrift fur Physikalische Chemie
    Volum231
    Número1
    DOIs
    Estat de la publicacióPublicada - 1 de gen. 2017

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