Multipod-like silica/polystyrene clusters
DÉSERT, Anthony
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]
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Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]
DÉSERT, Anthony
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]
THILL, Antoine
Laboratoire Interdisciplinaire sur l'Organisation Nanométrique et Supramoléculaire [LIONS]
Laboratoire Interdisciplinaire sur l'Organisation Nanométrique et Supramoléculaire [LIONS]
SPALLA, Olivier
Laboratoire Interdisciplinaire sur l'Organisation Nanométrique et Supramoléculaire [LIONS]
Laboratoire Interdisciplinaire sur l'Organisation Nanométrique et Supramoléculaire [LIONS]
BELLONI, Luc
Laboratoire Interdisciplinaire sur l'Organisation Nanométrique et Supramoléculaire [LIONS]
< Réduire
Laboratoire Interdisciplinaire sur l'Organisation Nanométrique et Supramoléculaire [LIONS]
Langue
en
Article de revue
Ce document a été publié dans
Nanoscale. 2016-03-03, vol. 8, n° 10, p. 5454-5469
Royal Society of Chemistry
Résumé en anglais
Multipod-like clusters composed of a silica core and PS satellites are prepared according to a seeded-growth emulsion polymerization of styrene in the presence of size-monodisperse silica particles previously surface-modified ...Lire la suite >
Multipod-like clusters composed of a silica core and PS satellites are prepared according to a seeded-growth emulsion polymerization of styrene in the presence of size-monodisperse silica particles previously surface-modified with methacryloxymethyltriethoxysilane. Tuning the diameter and concentration of the silica seeds affords homogeneous batches of tetrapods, hexapods, octopods, nonapods and dodecapods with morphology yields as high as 80%. Three-dimensional reconstructions by cryo-electron tomography are presented on large fields for the first time to show the high symmetry and regularity of the clusters demonstrating the good control of the synthesis process. These synthesis experiments are visited again digitally, in order to successfully refine an original simulation model and better understand the correlation between the history of the cluster growth and the final composition of the cluster mixture. Finally, using the model as a predictive tool and varying the extra experimental conditions, e.g. the composition of the surfactant mixture and the styrene concentration, result in trapping other cluster morphologies, such as tripods.< Réduire
Project ANR
Towards Colloidal Molecules and Functional Materials
Origine
Importé de halUnités de recherche