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Issue 4, 2019
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Vesicle-like assemblies of ligand-stabilized nanoparticles with controllable membrane composition and properties

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Abstract

Here, we report that nanoparticles modified with simple end-functionalized alkyl thiol ligands show interesting directional self-assembly behavior and can act as an effective surfactant to encapsulate other functional molecules and nanoparticles. Gold nanoparticles modified with the mixture of alkyl thiols and hydroxyl-terminated alkyl thiols organize into unique vesicle-like structures with controllable membrane thicknesses. Molecular dynamics simulations showed that the ligand segregation and the edge-to-edge ligand binding are responsible for the two-dimensional assembly formation. Furthermore, the nanoparticle assemblies can encapsulate other functional nanoparticles into the membrane or inside the cavity, generating multicomponent inorganic vesicles with various morphologies. The light-induced release profiles of encapsulated dye molecules showed that the membrane properties can be controlled by varying the membrane thickness and ligand composition.

Graphical abstract: Vesicle-like assemblies of ligand-stabilized nanoparticles with controllable membrane composition and properties

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Publication details

The article was received on 29 Sep 2018, accepted on 06 Jan 2019 and first published on 07 Jan 2019


Article type: Paper
DOI: 10.1039/C8NR07918H
Citation: Nanoscale, 2019,11, 1837-1846

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    Vesicle-like assemblies of ligand-stabilized nanoparticles with controllable membrane composition and properties

    J. Park, M. Seo, E. Jang, H. Kim, J. S. Kim and S. Park, Nanoscale, 2019, 11, 1837
    DOI: 10.1039/C8NR07918H

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