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Journal of Nanoparticle Research

Erschienen in:

01.10.2020 | Research paper

Synthesis of tetrahedral patchy nanoparticles with controlled patch size

verfasst von: Pierre-Etienne Rouet, Rawan Khalaf, Stéphanie Exiga, Etienne Duguet, Serge Ravaine

Erschienen in: Journal of Nanoparticle Research | Ausgabe 10/2020

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Abstract

Silica nanoparticles with four circular surface patches made of polystyrene (PS) and arranged in a tetrahedral symmetry are synthesized through the multistep growth of the silica core of silica/PS tetrapods. Transmission electron microscopy and energy dispersive X-ray analysis studies indicate that, as the silica core regrows, its surface conforms to the shape of the polystyrene nodules, allowing good control of the size of the emerged fraction of these. Patches with an angular width as small as 49° were achieved, which is a prerequisite for their assembly in the form of a diamond crystal phase.

Vorheriger Artikel Synthesis of early transition metal oxide nanomaterials and their conversion to nitrides

Nächster Artikel Sandwich Au/SMSiO2/Ag hybrid substrate: synthesis, characterization, and surface-enhanced Raman scattering performance

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Titel: Synthesis of tetrahedral patchy nanoparticles with controlled patch size
verfasst von: Pierre-Etienne Rouet
Rawan Khalaf
Stéphanie Exiga
Etienne Duguet
Serge Ravaine
Publikationsdatum: 01.10.2020
Verlag: Springer Netherlands
Erschienen in: Journal of Nanoparticle Research / Ausgabe 10/2020
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-020-05060-w

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