HUBERT, Céline; CHOMETTE, Cyril; DÉSERT, Anthony; SUN, Ming; TRÉGUER-DELAPIERRE, Mona; MORNET, Stéphane; PERRO, Adeline; DUGUET, Etienne; RAVAINE, Serge

doi:10.1039/c4fd00241e

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HUBERT, Céline
Centre de recherches Paul Pascal [CRPP]

CHOMETTE, Cyril
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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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Faraday Discussions. 2015-01-02, vol. 181, p. 139-146

Royal Society of Chemistry

Resumen en inglés

Silica particles with a controlled number of entropic patches, i.e. dimples, are synthesized through the growth of the silica core of binary multipods that have been produced by a seeded-growth emulsion polymerization reaction. Transmission electron microscopy studies indicate that the silica surface conforms to the shape of the polystyrene (PS) nodules of the multipods while growing, allowing good control of the final shape of the dimpled silica particles. The PS nodules are also used as protecting masks to regioselectively graft amino groups, as revealed by the adsorption of gold markers. After dissolution of the PS nodules, some polymer chains remain grafted onto the silica surface, forming organic bumps. These residues are also selectively functionalized, leading to silica particles with both entropic and enthalpic patches.< Leer menos

DOI

http://dx.doi.org/10.1039/c4fd00241e

Proyecto europeo

Biofuel Cells : From fundamentals to applications of bioelectrochemistry

Proyecto ANR

Advanced Materials by Design - ANR-10-LABX-0042
Initiative d'excellence de l'Université de Bordeaux - ANR-10-IDEX-0003

Orígen

Importado de Hal

Centros de investigación

Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB) - UMR 5026