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Updated: May 25, 2026
Gold Nanoparticle Synthesis
Published on: July 10, 2021
In situ formation of one-dimensional assemblies of gold nanoparticles in confined media
Jorge Carballido-Landeira1, Sonia Goy-López, Alberto P Muñuzuri
1Grupo de Física No Lineal y Departamento de Física de la Materia Condensada, Facultad de Física, Universidad de Santiago de Compostela, Campus Sur, 15782 Santiago de Compostela, Spain. jorge.carballido@usc.es
Abstract:
The spontaneous in situ formation of one-dimensional (1D) assemblies of gold nanoparticles (NP) in oleylamine/bis(2-ethylhexyl) sulfosuccinate sodium salt/water/octane (OAm/AOT/w/o) microemulsions by exploiting both the aurophilic bonding between OAm and gold salt, and the interactions between OAm and AOT surfactant is presented. Control on the structure of the resulting assemblies is achieved by changing in the solvent quality, the [Au]/[AOT] molar ratio and the presence of different cosolutes. A possible mechanism of the formation of the 1D parallel Au NP arrays is proposed.
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